Malicious PDF — malware analysis report

Static analysis result for SHA-256 1673d48acbf42955…

MALICIOUS

PDF

22.4 KB Created: 2009-04-24 09:54:29 +02:00 Authoring application: PScript5.dll Version 5.2.2 (via Acrobat Distiller 7.0.5 (Windows))
MD5: 1a97d340bb555b64a542cad9df900b2e SHA-1: bd8a6207259dbf659071c7c53353e31e0ba89da5 SHA-256: 1673d48acbf4295559bf69cdcc964949e2d46d63612aae519708986ab406641b
106 Risk Score

Malware Insights

MITRE ATT&CK
T1059.007 JavaScript

This PDF file contains obfuscated JavaScript, indicated by multiple heuristic firings including 'PDF_JAVASCRIPT' and 'PDF_JS'. The ML classifier also flagged it with high confidence. The embedded JavaScript is likely designed to execute malicious code, potentially leading to further compromise.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9966

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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