Malicious PDF — malware analysis report

Static analysis result for SHA-256 d54dcb518c729c10…

MALICIOUS

PDF

5.8 KB
MD5: ecede073b4257aafccf257d586829d99 SHA-1: 474e25df74890be3f2c20d8a447649871e0ee253 SHA-256: d54dcb518c729c10e458c2e4067604184bad1c57cee7db4c2e2c0a6b3d79e46c
106 Risk Score

Malware Insights

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 responsible for executing malicious actions, such as downloading a second-stage 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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