Malicious PDF — malware analysis report

Static analysis result for SHA-256 048d388f933e1335…

MALICIOUS

PDF

3.3 KB
MD5: 1e53ba6e28e024d986acbc0ecc89ed76 SHA-1: 0c3a560a8738b746684214c9c5c0977a81be0b98 SHA-256: 048d388f933e1335615da58751d610441f0d513d8e49d46618436fd0218a3de0
106 Risk Score

Malware Insights

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

The PDF contains embedded JavaScript, indicated by multiple heuristic firings including PDF_JAVASCRIPT and PDF_JS. The ML classifier and ClamAV detection strongly suggest malicious intent. The JavaScript is likely designed to execute malicious code upon opening the document, potentially leading to further compromise.

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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