Malicious PDF — malware analysis report

Static analysis result for SHA-256 561bb713931a671b…

MALICIOUS

PDF

428 B
MD5: e6fbfd8db86f413df85f06fad5fcbfcd SHA-1: c31fc425bdf335e68c8123876a0d21510fb98988 SHA-256: 561bb713931a671bc7f9ee7c6886ed60c1af5f74a457750ec1f362acdde5731c
106 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File: User Execution: Malicious File

The PDF file contains embedded JavaScript, indicated by multiple heuristic firings including PDF_JAVASCRIPT and PDF_JS. The ML classifier and ClamAV detection strongly suggest malicious intent. The embedded JavaScript is likely used to exploit vulnerabilities or download further malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9928

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.