PDF取证指南
分析PDF元数据和结构，检查文件处理和修改的技术线索。
完整性验证流程
专业分析
分析PDF元数据和结构，检查文件处理和修改的技术线索。
我们分析的内容
元数据一致性
- • 软件签名
- • 元数据时间戳
- • 作者（您的姓名/电子邮件）
- • XMP元数据
结构分析
- • 额外的EOF标记
- • 修订历史
- • 增量更新痕迹
隐藏数据
- • XMP元数据流
- • 编辑历史伪影
安全
- • 修订历史
- • 隐私保护
Learn More About PDF Forensics
Incremental Updates in PDFs
Understand how PDF editing works internally and why previous versions can remain in the file.
Read article →What is PDF Metadata?
Learn about Document Info and XMP metadata and what they reveal about document history.
Read article →Can You Tell If a PDF Was Edited?
Learn detection methods and what to look for when verifying document integrity.
Read article →PDF Modification Traces Explained
Deep dive into what modification traces reveal about document changes.
Read article →How to Detect PDF Tampering
Signs of document manipulation and how to protect yourself.
Read article →How to Verify PDF Authenticity
Complete guide to checking if a PDF document is genuine.
Read article →Who Uses PDF Forensics?
Legal Professionals
Verify contract and evidence integrity
HR Departments
Check resume and credential authenticity
Financial Services
Verify financial documents and statements