PDF malware analysis — malicious · 6570d96f8e872b04

MALICIOUS

PDF

16.2 KB Created: 2010-03-05 15:19:50 Authoring application: Laxiwoveja

MD5: f589269302b0cd3b546aa5f45eef0dd3 SHA-1: 25a4210b39b590d4f70fb662b69bd6a361567866 SHA-256: 6570d96f8e872b0497428e5bd467f43a398545a576adbe962664f33ab2a49277

106 Risk Score

Malware Insights

MITRE ATT&CK

T1059.007 JavaScript T1203 Exploitation for Client Execution T1566.001 Spearphishing Attachment

The PDF file was flagged by multiple heuristics, including a critical ClamAV detection (Pdf.Exploit.Agent-36066) and an ML classifier, indicating malicious intent. Embedded JavaScript was detected, which is commonly used to exploit vulnerabilities and download further malicious content. The presence of JavaScript and the exploit detection strongly suggest an attack pattern involving client-side exploitation, likely delivered via spearphishing.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 3

ClamAV: Pdf.Exploit.Agent-36066 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-36066
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_obj0022_000.js` `22e7b9b95199cc294a88baec03e968aa698abb89fdbf202e98b946c7b2639771`	pdf-javascript-stream	PDF /JS object 22 at offset 0x30AF	971255 bytes

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