Malicious PDF — malware analysis report

Static analysis result for SHA-256 183bffbb44ea833e…

MALICIOUS

PDF

3.8 KB
MD5: 95575401b7f754474ed3f59760406189 SHA-1: b1a26552e8f7a4dba325064d77efb70c9e07c81a SHA-256: 183bffbb44ea833ed79be2568e1c1f2e406e1fe126d01218affc6312ba12c246
106 Risk Score

Malware Insights

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

The PDF file contains embedded JavaScript, flagged by multiple heuristics and a machine learning classifier as malicious. The JavaScript action is likely intended to execute malicious code upon opening, potentially leading to further compromise. The ClamAV detection of 'Heuristics.PDF.ObfuscatedNameObject' further supports the malicious nature of the file.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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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