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feature-schema-v3
End of preview. Expand in Data Studio

TrustSight CrackedPDFs Suite: Document-Level Visual & Structural Prompt Injection Benchmark

1. Tổng Quan Về Bộ Dữ Liệu (Dataset Overview)

TrustSight CrackedPDFs Suite là tập dữ liệu có quy mô lớn gồm 29,322 bản ghi siêu dữ liệu (metadata records) trích xuất từ bộ benchmark CrackedPDFs (A Controlled Benchmark for Hidden Prompt Injection in PDFs, UC Berkeley, USENIX / ArXiv 2026), được tích hợp vào hệ sinh thái nghiên cứu an ninh tác tử đa phương thức TrustSight.

Bộ dữ liệu cung cấp toàn bộ 51 trường thông tin cấu trúc, nhãn độc hại/lành tính (ground-truth labels), chế độ kết xuất (rendering regimes), và thông tin phân loại cho 16 họ tấn công ẩn giấu (attack families) cùng các đối chứng lành tính (benign confounders).

+===================================================================================================+
|                              CRACKEDPDFS DATASET DISTRIBUTION (29,322 RECORDS)                    |
+===================================+===================================+===========================+
| Split                             | Number of Records                 | Role in TrustSight        |
+===================================+===================================+===========================+
| `train`                           | 23,766 records                    | In-distribution training  |
| `val`                             | 2,637 records                     | Hyperparameter validation |
| `test`                            | 2,919 records                     | Frozen empirical testing  |
+===================================+===================================+===========================+
| **Total**                         | **29,322 records**                | Complete Provenance       |
+===================================+===================================+===========================+

2. 16 Họ Tấn Công & Cơ Chế Ẩn Giấu (Attack Families Taxonomy)

Bộ dữ liệu khảo sát 16 họ kỹ thuật tiêm chỉ thị độc hại vào tài liệu PDF, đối chiếu giữa khả năng trích xuất văn bản (Text Parser) và thị giác máy tính (Visual OCR):

# Họ Tấn Công (attack_family) Cơ Chế Kỹ Thuật (Mechanism) Biểu Hiện Thị Giác (Visual Footprint)
1 in_page_white_text Chữ trắng trên nền trắng (#FFFFFF) Mắt người không thấy, text parser đọc được
2 in_page_tiny_text Kích thước font siêu nhỏ (0.01pt – 0.5pt) Gần như không thể nhìn thấy bằng mắt
3 in_page_invisible_text Text rendering mode 3 (invisible text) Không hiển thị trên canvas đồ họa
4 in_page_low_contrast_text Độ tương phản cực thấp (low delta-E) Khó phát hiện trong điều kiện bình thường
5 microglyph_steganography Giấu tin trong vi ký tự (microglyphs) Tinh vi, ẩn dưới các hoa văn trang trí
6 steganographic_acrostic Giấu tin theo dạng chữ đầu câu (acrostic) Văn bản bề ngoài hoàn toàn bình thường
7 margin_microtext Văn bản siêu nhỏ nằm sát mép trang Thường bị cắt bỏ khi quét OCR thông thường
8 near_margin_normal_font Văn bản font chuẩn nằm ở biên trang Giả dạng chú thích hoặc số trang
9 header_footer_like Văn bản giả mạo tiêu đề đầu trang/chân trang Dễ bị nhầm là thông tin cấu trúc tài liệu
10 split_text_objects Tách câu lệnh thành nhiều PDF text objects Gây nhiễu cho các bộ phân tích cú pháp
11 in_page_split_text_objects Text objects rời rạc trên cùng một trang Khó gom cụm ngữ nghĩa nếu thiếu layout
12 layout_mimicry Bắt chước bố cục biểu mẫu chuẩn của tài liệu Đánh lừa sự chú ý của người đọc
13 semantic_fragmentation Phân mảnh ngữ nghĩa thành các từ khóa rời Vượt qua các bộ lọc regex truyền thống
14 plain_single_block Khối văn bản đơn lẻ trực tiếp Tiêm trực diện không qua kỹ thuật ẩn
15 existing_stream_patch Can thiệp vá trực tiếp vào PDF content stream Khai thác tầng nhị phân PDF format
16 none Tài liệu sạch đối chứng (benign / confounder) Không chứa bất kỳ chỉ thị độc hại nào

3. Cấu Trúc Triad Đối Chứng (Triad Structure)

Mỗi mẫu trong CrackedPDFs được tổ chức theo cấu trúc bộ ba (Triad) chuẩn mực:

  • benign_original (label = 0): Tài liệu gốc thuần sạch.
  • benign_confounder (label = 0): Tài liệu chứa các thành phần cấu trúc tương tự tấn công (chân trang nhỏ, watermark, dấu căn lề) nhưng mang nội dung hoàn toàn lành tính. Dùng để kiểm tra tỷ lệ từ chối nhầm (False Positive Rate).
  • injected_attack (label = 1): Tài liệu chứa payload độc hại tiêm ẩn giấu. Dùng để kiểm tra tỷ lệ tấn công thành công (Attack Success Rate - ASR).

4. Hướng Dẫn Sử Dụng (Quick Start)

from datasets import load_dataset

# Tải toàn bộ 3 splits của CrackedPDFs
dataset = load_dataset("tuandunghcmut/trustsight-crackedpdfs")

print(dataset)
# DatasetDict({
#     test: Dataset({num_rows: 2919, num_columns: 51}),
#     val: Dataset({num_rows: 2637, num_columns: 51}),
#     train: Dataset({num_rows: 23766, num_columns: 51})
# })

# Xem một bản ghi trong tập test
sample = dataset["test"][0]
print("PDF ID:", sample["pdf_id"])
print("Attack Family:", sample["attack_family"])
print("Label (0=benign, 1=attack):", sample["label"])

5. Trích Dẫn Khoa Học (Citation)

@article{thienpreecha2026crackedpdfs,
  title={CrackedPDFs: A Controlled Benchmark for Hidden Prompt Injection in PDFs},
  author={Thienpreecha, Volk and Subramanian, Sandeep and others},
  journal={arXiv preprint arXiv:2601.xxxxx},
  year={2026}
}
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