PDF malware analysis — malicious · 97d2caf0500b9e5d

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: 009f482fa73e5e15539a546eba21e8b1 SHA-1: 1dab68d8e85bb0e96d83bbefbd3e8a75c74c5545 SHA-256: 97d2caf0500b9e5d39220179ead0bd0a49b7ce373a1033d72927e13f808bb02c

136 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 JavaScript/JScript

The PDF file contains embedded JavaScript, which is a common technique for delivering malicious payloads. Heuristic analysis identified JavaScript actions and embedded JS streams. ClamAV detections confirm the malicious nature, specifically identifying it as Win.Trojan.Agent-36166. The embedded JavaScript likely facilitates the execution of this detected malware.

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.

Filename	Kind	Source	Size
`javascript_obj0007_000.js` `1d02792d899dd80f78c302630202a588a7f17cb684a85567befab75a2900922b`	pdf-javascript-stream	PDF /JS object 7 at offset 0x1A5	74686 bytes
Detection ClamAV: Win.Trojan.Agent-36166 Obfuscation or payload: unlikely

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