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PDF Tampering Detection

Analyze PDFs for signs of modification. Detect tampering through metadata, structure, and revision history analysis.

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What We Analyze

1

Metadata Timestamps

Creation and modification dates reveal editing timeline inconsistencies.

2

Software Signatures

Creator and Producer fields show what software touched the document.

3

Incremental Updates

Multiple EOF markers indicate the document was edited and saved multiple times.

4

Extended metadata can contain additional history and editing information.

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Detection Use Cases

Contract Verification

Check if contract terms were modified after initial agreement.

Certificate Validation

Verify diplomas, certificates, and official documents for authenticity.

Financial Document Review

Check invoices and statements for signs of manipulation.

Evidence Screening

Preliminary check of documents before formal forensic analysis.

Frequently Asked Questions

Related Resources