Malicious PDF — malware analysis report

Static analysis result for SHA-256 a8c25050490841d6…

MALICIOUS

PDF

14.4 KB Created: 2009-11-15 19:41:70 Authoring application: PDF Library 4.3.9 (via PDF Library 3.9.7)
MD5: 0362cea41b11868fa29289c5c3c4c6b3 SHA-1: b972e1434b9543c480ec5d02bb3b3f212c3cadc8 SHA-256: a8c25050490841d6f3653668a0136e4f20759a446eaa64e78ecd2b8e18e92dcb
136 Risk Score

Malware Insights

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

The PDF file contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. ClamAV detection confirms this is a malicious file, specifically identified as Win.Trojan.Agent-36166. The embedded JavaScript is likely responsible for executing the malicious payload, although its specific actions are not detailed in the provided evidence. The file's structure and the ClamAV signature suggest a trojan agent designed to perform malicious actions.

Heuristics 4

  • ClamAV: Win.Trojan.Agent-36166 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Win.Trojan.Agent-36166
  • ClamAV detection on extracted artifact critical EXTRACTED_FILE_CLAMAV
    ClamAV flagged at least one file extracted from inside this sample. Even when the wrapping document carries no AV detection of its own, a hit on the carved artifact is a strong indicator the sample is a delivery vehicle.
  • 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_obj0007_000.js
c97767be7acad9765bd559d5d0504d17c0d7ec6b6c491a53ea235657c234e9dd		 pdf-javascript-stream PDF /JS object 7 at offset 0x1A5 75139 bytes
Detection
ClamAV: Win.Trojan.Agent-36166
Obfuscation or payload: unlikely

Open this report in the interactive analyzer, or submit your own file for analysis.