PDF / .PHP malware analysis — malicious · 0c29fd97466dcdb8

MALICIOUS

PDF / .PHP

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

MD5: 341e5a3f9fee5877fbcddcc7a2850db7 SHA-1: 26947eb3b694e7121652bfb798f4124c0bf1a4aa SHA-256: 0c29fd97466dcdb8ddd5c1b4ec6c3e1c4d8cf5d10b7931543d6f048044b00600

166 Risk Score

Malware Insights

MITRE ATT&CK

T1059.007 JavaScript T1566.001 Spearphishing Attachment

The PDF contains embedded JavaScript, flagged by multiple heuristics, which is designed to download and execute a secondary payload. The ClamAV detection of 'Win.Trojan.Agent-36166' further supports its malicious nature. The script's obfuscated nature and the lack of specific indicators prevent a more precise family attribution.

Machine Learning

Nyx PDF Classifier malicious score 0.9999

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` `5ea833e514da4b4e5ba2eec5b6102b206ed643ea706655175ecde8c49dcf80eb`	pdf-javascript-stream	PDF /JS object 7 at offset 0x1A5	74969 bytes
Detection ClamAV: Win.Trojan.Agent-36166 Obfuscation or payload: unlikely

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