PDF / .PHP malware analysis — malicious · 59266c278f308409

MALICIOUS

PDF / .PHP

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

MD5: b6fc2d7c21f625025a1ea915cef1bfb9 SHA-1: a9dbe853cbf98c8d044b29bd56c6b163785e2fdb SHA-256: 59266c278f3084095eb3f40b1ebae1b18e106a6088ee48ae0ee63ec2b51bbc1a

136 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 JavaScript/JScript

The critical ClamAV detection indicates the file is malicious, specifically identified as Win.Trojan.Agent-36166. The presence of PDF JavaScript actions and an embedded JS stream strongly suggests that the script is designed to download and execute a secondary payload, a common technique for malware delivery. The document body was unreadable, providing no further context on the lure.

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` `222553789046c6e71557babc01eb59c9328ab7f88e3b06df455a844dcd938337`	pdf-javascript-stream	PDF /JS object 7 at offset 0x1A5	74516 bytes
Detection ClamAV: Win.Trojan.Agent-36166 Obfuscation or payload: unlikely

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