Malicious PDF — malware analysis report

Static analysis result for SHA-256 61de2701f110e4e3…

MALICIOUS

PDF

43.7 KB
MD5: f4c1cfdeb76ff4aeb2b1a96fae82f94a SHA-1: 6e2e554879d7cf81828374be85ce8437b8338f38 SHA-256: 61de2701f110e4e3a411077fb36ca63074f351e5b08e1d23a5c2b479c4f3ff96
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 multiple heuristic firings. This JavaScript is likely used to exploit a vulnerability within the PDF reader, leading to the execution of malicious code. The ML classifier and ClamAV detection strongly suggest malicious intent, likely delivered as a spearphishing attachment.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

Heuristics 3

  • ClamAV: Pdf.Exploit.Agent-36388 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-36388
  • 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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