Malicious PDF — malware analysis report

Static analysis result for SHA-256 68b19f5dca22b5ac…

MALICIOUS

PDF

28.0 KB
MD5: 003e324960995ccccfb6658d7700568a SHA-1: b849fad32080a5edd57952c65368493cfe200105 SHA-256: 68b19f5dca22b5ac7b09dc7c72f74f57173ce151182760b21d4d6537b1c8ac6b
106 Risk Score

Malware Insights

MITRE ATT&CK
T1059.007 JavaScript T1203 Exploitation for Client Execution

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, likely involving the exploitation of a PDF viewer vulnerability to execute the embedded script. No specific IOCs like URLs or hashes were extracted from the static analysis.

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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