Malicious PDF — malware analysis report

Static analysis result for SHA-256 e4355718beb4f1a7…

MALICIOUS

PDF

32.6 KB
MD5: fc20c804e02356d5d51a74b6ad31c822 SHA-1: d36729cee890da3157e1e8473f4e387d4525053c SHA-256: e4355718beb4f1a7885fbb00f37b9e548a2e131e87304e9230affbf71a75b071
106 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell T1204.002 Malicious File

The PDF file was flagged by multiple heuristics, including a high-severity ML classifier and ClamAV detection for obfuscated objects, indicating malicious intent. The presence of embedded JavaScript actions and streams suggests an attempt to execute code, likely to exploit a vulnerability or download a secondary payload.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

Heuristics 3

  • ClamAV: Heuristics.PDF.ObfuscatedNameObject critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Heuristics.PDF.ObfuscatedNameObject
  • JavaScript action low PDF_JAVASCRIPT
    PDF contains a /JavaScript action. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
  • Embedded JS stream low PDF_JS
    PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.

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