Malicious PDF — malware analysis report

Static analysis result for SHA-256 4aef1491597e28fa…

MALICIOUS

PDF

12.5 KB
MD5: 90fb82b2b5d38743e64e96a9ccc2daf8 SHA-1: a816a1f8abe138c436a7765a10567c8a82bc8e79 SHA-256: 4aef1491597e28fad8518259cd7731be7e9a854c55ada88a22755c4d12fb992e
76 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF file contains embedded JavaScript, indicated by multiple heuristic firings. ClamAV detection as 'Win.Trojan.Agent-36281' strongly suggests malicious intent. The embedded JavaScript is likely responsible for executing the malicious payload, although 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
5937d331fb70259cd263b73a45c05a9bd7ff7e38f74f1b499f7a43b207ad71e2		 pdf-javascript-stream PDF /JS object 76 at offset 0x369 11649 bytes

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