Malicious PDF — malware analysis report

Static analysis result for SHA-256 9d665ba88bf06d7c…

MALICIOUS

PDF

12.1 KB
MD5: 7ef1aa5d2524433115a2ae9980e18db2 SHA-1: f51f88a5e3f8660885715717a3e6576df5992109 SHA-256: 9d665ba88bf06d7ccd61efa50237bf4a0845a733daf42cb8954ad60e8e5dc93f
76 Risk Score

Malware Insights

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

The PDF contains embedded JavaScript, indicated by multiple heuristic firings. ClamAV detection identifies the file as Win.Trojan.Agent-36281, suggesting it's a known malware variant. The embedded JavaScript is likely responsible for the malicious payload execution, 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
c06e6e7105ee9250b0da18554b871eb6941f074889b1633fc7dc4774bc8eb9a6		 pdf-javascript-stream PDF /JS object 76 at offset 0x369 11275 bytes

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