Malicious PDF — malware analysis report

Static analysis result for SHA-256 a86a1896b24094f3…

MALICIOUS

PDF

12.5 KB
MD5: 550596ac789bec7d57fbf5571b937738 SHA-1: 83fdf5f492b8c17b6774c0a5b2afec57a5437714 SHA-256: a86a1896b24094f3d515a82dcbea2fe4a9ce0bd5cd88980a53247989d710cf17
76 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell T1204.002 Malicious File

The PDF file contains embedded JavaScript, indicated by multiple heuristic firings. ClamAV detection identifies it as Win.Trojan.Agent-36281, suggesting it's a known trojan. The embedded JavaScript is likely used to exploit vulnerabilities within the PDF reader or download a secondary 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
30a89fea425c8c32d9b0f3654c26ad413eaa6ead5488731baf713d3626ae3ee1		 pdf-javascript-stream PDF /JS object 76 at offset 0x369 11738 bytes

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