Malicious PDF — malware analysis report

Static analysis result for SHA-256 a5f450e670fa0ee4…

MALICIOUS

PDF

12.5 KB
MD5: 3b4549d666e2a491fb84d775b0ea09af SHA-1: ebde38144136136b0cc5b87d7424e66c444164a2 SHA-256: a5f450e670fa0ee4c69ca90100ae3e12a5f71529fd88c3ba122909d1a7b267c2
76 Risk Score

Malware Insights

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

The PDF file contains embedded JavaScript, indicated by heuristic firings for PDF_JAVASCRIPT and PDF_JS. ClamAV detection as Win.Trojan.Agent-36281 further confirms its malicious nature. The embedded JavaScript is the primary mechanism for delivering the malicious payload, likely by downloading and executing a secondary stage.

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
53504ca65a372b9e896f5f44beef29a05cd8a1d7044e8769a8a3fa0fa4739cd6		 pdf-javascript-stream PDF /JS object 76 at offset 0x369 11732 bytes

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