Malicious PDF — malware analysis report

Static analysis result for SHA-256 084f07d9d92a1472…

MALICIOUS

PDF

8.0 KB
MD5: 1023e2e4253613acb85b36ec4bc8140b SHA-1: f3a3293562d89d865a2efc14a310f53b7ccd8f2b SHA-256: 084f07d9d92a1472ed1e356854370b1869fce7dd9091fe04679a4b42988021fa
106 Risk Score

Malware Insights

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

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. The JavaScript is likely used to download and execute a second-stage payload, a common technique for malicious PDFs.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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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