Malicious PDF — malware analysis report

Static analysis result for SHA-256 2078cfd161e18d6a…

MALICIOUS

PDF

12.2 KB
MD5: 5f3a178c354c5ef6d29ef1d2a837a4c0 SHA-1: 73a41e13b9a8d509887f024e4c8397f534096786 SHA-256: 2078cfd161e18d6a1ca5f3ae0fe6da2e3b2c7c4c2da6f8d89f88c25d5b0b594c
76 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell T1204.002 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 confirms its malicious nature. 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
d3795c89869cc9f76f1a601030dc7da0673ef3a2852200b39b9cb5b6052f83f0		 pdf-javascript-stream PDF /JS object 76 at offset 0x369 11367 bytes

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