Malicious PDF — malware analysis report

Static analysis result for SHA-256 4ef8cd2d3aae731e…

MALICIOUS

PDF

12.3 KB
MD5: 769fadeed3ec9547150b9fee6845e2a5 SHA-1: 85b69cbc9af3209db868c287c85c1e8029608bac SHA-256: 4ef8cd2d3aae731e1818cff71f3371252fd78e5936f2ac4fa28d3818c021b2ef
76 Risk Score

Malware Insights

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

The PDF contains embedded JavaScript, indicated by heuristic firings for PDF_JAVASCRIPT and PDF_JS. ClamAV detection as Win.Trojan.Agent-36281 confirms its malicious nature. The embedded JavaScript is likely designed to execute a malicious payload, though its specific actions are not detailed in the provided evidence.

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
175c2906abcb9811a581c518a3cfe0311495e3c943502f7eb7f4a44d021d5eb3		 pdf-javascript-stream PDF /JS object 76 at offset 0x369 11540 bytes

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