Malicious PDF — malware analysis report

Static analysis result for SHA-256 2d6c99f4f4478169…

MALICIOUS

PDF

8.0 KB
MD5: c2c1aee73807d041bda45ad8113e17b2 SHA-1: ca890b4ad9a8d6dda345fdb367ffd9034e6687ab SHA-256: 2d6c99f4f4478169964d59c7482e1d326fff73ad96db248b6459e72eedcf7caf
146 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File: User Execution: Malicious File

The PDF contains embedded JavaScript, indicated by multiple heuristic firings including PDF_JAVASCRIPT and PDF_JS. The presence of a high-confidence eval() call and a strong ML classifier score further support its malicious nature. ClamAV detection as Pdf.Dropper.Agent-7244127-0 suggests it acts as a dropper, likely executing the embedded JavaScript to download and run a second-stage payload.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • ClamAV: Pdf.Dropper.Agent-7244127-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-7244127-0
  • eval() call high PDF_EVAL
    eval() found — commonly used for obfuscated exploit execution
  • 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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