PDF malware analysis — malicious · 50462a33c0239ae1

MALICIOUS

PDF

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

MD5: 9d38e58f008c2270931b49ace31e1df6 SHA-1: 0b618cbdf820385b216b3878f2f6eb178f61ef4e SHA-256: 50462a33c0239ae1b96a6ee55383edcc3aa9f825d3752e0939f084385e655291

166 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file was flagged as malicious by multiple heuristics, including a high ML score and ClamAV detection for Win.Trojan.Agent-36166. The presence of embedded JavaScript, indicated by PDF_JAVASCRIPT and PDF_JS firings, suggests the script is responsible for executing the malicious payload. While the script content itself was not provided, its existence and the overall detection strongly point to a downloader or exploit delivery mechanism.

Machine Learning

Nyx PDF Classifier malicious score 0.9999

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` `2032b67365a85053a1c8d7554548a30e36a0cbc2682ea8297699cb702543c0d4`	pdf-javascript-stream	PDF /JS object 7 at offset 0x1A5	84185 bytes
Detection ClamAV: Win.Trojan.Agent-36166 Obfuscation or payload: unlikely

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