Malicious PDF — malware analysis report

Static analysis result for SHA-256 7f7f62f6b32b1130…

MALICIOUS

PDF

6.3 KB
MD5: 482f395d7c94c2856a26ab235076b11f SHA-1: 5dde52ccf94542f922c14b482e56400cfefecbf0 SHA-256: 7f7f62f6b32b1130579423b8261134a4408cde3b768811876411ba6f634abcab
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 including a high-severity ML classifier and ClamAV detection for obfuscated objects. This indicates the document is designed to execute malicious JavaScript, likely as part of a spearphishing attack to deliver a secondary 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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