Malicious PDF — malware analysis report

Static analysis result for SHA-256 321a73c1efe4e32d…

MALICIOUS

PDF

3.7 KB
MD5: c8cea94ebc63f97b27faa8c23c0153ed SHA-1: 7e116accc9ebdbf8acb4abbb291247d9e84853c9 SHA-256: 321a73c1efe4e32d36368668326a4dbcc7c19bd601c272b138951f903cf43fd9
106 Risk Score

Malware Insights

MITRE ATT&CK
T1059 Command and Scripting Interpreter

The PDF 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 designed to execute a malicious payload, although the specific actions are not detailed in the provided evidence.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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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