Malicious PDF — malware analysis report

Static analysis result for SHA-256 439bf811ba8c4911…

MALICIOUS

PDF

12.3 KB
MD5: 45cfdb1ffe05232454af8a58764bde6f SHA-1: c14570d3f5c87276c8bbaaaa8ca4b48a8e6ee0b7 SHA-256: 439bf811ba8c4911d6bfca942636182edbe6e2fd97818847d856d01ec4b9eca4
76 Risk Score

Malware Insights

The PDF file contains embedded JavaScript, indicated by multiple heuristic firings. ClamAV detection confirms its malicious nature, identifying it as Win.Trojan.Agent-36281. The embedded JavaScript is likely responsible for executing the malicious payload.

Heuristics 3

  • ClamAV: Win.Trojan.Agent-36281 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Win.Trojan.Agent-36281
  • 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.

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
javascript_obj0076_000.js
fddc4a3faa5f506ae44b3868b6b202eb773004c3e89f32029f58f4cebda8b709		 pdf-javascript-stream PDF /JS object 76 at offset 0x369 11498 bytes

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