Malicious PDF — malware analysis report

Static analysis result for SHA-256 1fc880991561f15e…

MALICIOUS

PDF

12.5 KB
MD5: 6a70bea558413511118e7419afc40d70 SHA-1: 1744c997698e6910e99439e5530ad26411032441 SHA-256: 1fc880991561f15edbfc0f1959f6bdab7261ee2944b9664468ec4981859a8882
76 Risk Score

Malware Insights

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

The PDF contains embedded JavaScript, identified by heuristic firings, which is a common technique for delivering secondary payloads. ClamAV detection as 'Win.Trojan.Agent-36281' strongly suggests a trojan downloader or agent. The embedded JavaScript likely attempts to download and execute a malicious file, contributing to the overall malicious nature of the document.

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
a05fa45fa62c91dfe933355f7a8b94be314b2c6fb3900b3ffda5983d7c4c44c6		 pdf-javascript-stream PDF /JS object 76 at offset 0x369 11735 bytes

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