PDF malware analysis — malicious · 4c88bed6b4322cf0

MALICIOUS

PDF

25.2 KB Created: 2011-72-51 03:25:00

MD5: ec6766ceaf6083d019976c1d98c6c306 SHA-1: 8706db12c972eea6526e9330d6cf1f7d1ba7be19 SHA-256: 4c88bed6b4322cf0ea2233f3fb072ec6c38ca951649e5ba39a5d7676a455a0a6

108 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell

The file is identified as a malicious PDF by ClamAV and a machine learning classifier. Heuristics indicate the presence of embedded JavaScript, suggesting an exploit attempt. The embedded JavaScript is likely responsible for downloading and executing a second-stage payload, although its exact functionality is obscured.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 3

ClamAV: Pdf.Exploit.Agent-36199 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-36199
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_obj0001_000.js` `d114e5d7825f81ad1e070073fb986365f644318874685b02d53dc636cdde1ae6`	pdf-javascript-stream	PDF /JS object 1 at offset 0x626E	443 bytes

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