Malicious PDF — malware analysis report

Static analysis result for SHA-256 44f5737c9ae48b4e…

MALICIOUS

PDF

8.5 KB
MD5: dff9d27354cf5b2b28418a6559e1677a SHA-1: 352979262e669ad30f5e4079601c486d6009070c SHA-256: 44f5737c9ae48b4e2d50fc0a74a85514bd93d2ba4342a5ed4f946f6719165ac9
106 Risk Score

Malware Insights

MITRE ATT&CK
T1059.007 JavaScript T1203 Exploitation for Client Execution T1566.001 Spearphishing Attachment

The PDF file contains embedded JavaScript, indicated by PDF_JAVASCRIPT and PDF_JS heuristics. ML and ClamAV classifiers confirm its malicious nature, specifically detecting it as Pdf.Exploit.Agent-35572. The embedded JavaScript is the primary mechanism for exploitation, likely leading to the download and execution of further malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 3

  • ClamAV: Pdf.Exploit.Agent-35572 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-35572
  • 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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