PDF malware analysis — malicious · 0c219a1815814872

MALICIOUS

PDF

14.8 KB Created: 2010-04-08 22:24:28 Authoring application: Xanijuego (via Fisaqelanohifgizis)

MD5: 4f939dbcd88908450b8f103664f846f7 SHA-1: ab3d9411d22ac409f3d3cad11f241aeaf4fe18d7 SHA-256: 0c219a181581487286b32909b235af58fdddd92e8ad3d109a8852904168ab43b

106 Risk Score

Malware Insights

MITRE ATT&CK

T1059.007 JavaScript T1566.001 Spearphishing Attachment

The PDF contains embedded JavaScript, identified by heuristics and ClamAV as malicious (Pdf.Exploit.Agent-22246). The JavaScript is heavily obfuscated but appears to construct a URL, likely for downloading a secondary payload. The ML classifier also strongly indicates maliciousness. The primary attack pattern is likely spearphishing attachment, leading to the execution of this malicious PDF.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 3

ClamAV: Pdf.Exploit.Agent-22246 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-22246
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` `86f69eca52c9c5d69f5be9adca14e8a9c287650d4e134a607a579d2a4b54715d`	pdf-javascript-stream	PDF /JS object 22 at offset 0x3102	36990 bytes

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