PDF malware analysis — malicious · f49c2766a58bec4a

MALICIOUS

PDF

14.5 KB Created: 2009-11-15 19:41:70 Authoring application: PDF Library 4.3.9 (via PDF Library 3.9.7)

MD5: 74d92da434d8d949ae45ab97a2ada633 SHA-1: 49a86fd3a11021f9a13ed9117d92e72ad1531e07 SHA-256: f49c2766a58bec4a5053c6492aef94c58897a260765add634b57bad5f0354ead

136 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The file is a PDF containing embedded JavaScript, identified by heuristics as a PDF JavaScript action and an embedded JS stream. ClamAV detections indicate it is Win.Trojan.Agent-36166. The embedded JavaScript is likely responsible for exploiting PDF vulnerabilities to download and execute a second-stage payload. The presence of JavaScript and the ClamAV detection strongly suggest a malicious intent, likely for malware delivery.

Heuristics 3

ClamAV: Win.Trojan.Agent-36166 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Win.Trojan.Agent-36166
JavaScript action low 1 related finding 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.

Filename	Kind	Source	Size
`javascript_obj0007_000.js` `0f90ba4678954d31e4297b36611c43ec6232cc55e3d089d64c4e354d304e6bb6`	pdf-javascript-stream	PDF /JS object 7 at offset 0x1A5	75335 bytes
Detection ClamAV: Win.Trojan.Agent-36166 Obfuscation or payload: unlikely

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