Malicious PDF — malware analysis report

Static analysis result for SHA-256 1648711af4646f80…

MALICIOUS

PDF

3.6 KB
MD5: 0db661cd74351bfbcedbf6d387da61f9 SHA-1: e3bd531aeec797383c863c67a899af744537664d SHA-256: 1648711af4646f80adda2e6a7c3586bb40f17146e38cb6305a8e2d1e1dfaab7e
106 Risk Score

Malware Insights

MITRE ATT&CK
T1059.007 JavaScript T1566.001 Spearphishing Attachment

The PDF file was flagged by multiple heuristics, including a high-severity ML classifier and ClamAV detection for obfuscated objects, indicating malicious intent. Embedded JavaScript, identified as T1059.007, is present and likely responsible for downloading a secondary payload, a common technique for initial access via T1566.001 (Spearphishing Attachment).

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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