PDF malware analysis — malicious · ee86bb9e951831cc

MALICIOUS

PDF

7.5 KB Authoring application: Jgaxivakafowizasi (via c2537Uohosicilab)

MD5: 0bf498924cda4e93fb0d6a8df0a9de41 SHA-1: 8c660a10eef60cde46383a3b3397212c890c5f57 SHA-256: ee86bb9e951831cc7d53ead27cc1d9d0ad691213289ba61db53521e94daae5cb

106 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell

The PDF was flagged by multiple heuristics, including a critical ClamAV detection for obfuscated objects and an ML classifier indicating maliciousness. The presence of embedded JavaScript, detected by PDF_JAVASCRIPT and PDF_JS rules, suggests an attempt to execute code. However, the JavaScript content was not fully extracted or was too obfuscated to determine its specific payload or intent, leading to a lower confidence score.

Machine Learning

Nyx PDF Classifier malicious score 0.9954

Heuristics 3

ClamAV: Heuristics.PDF.ObfuscatedNameObject critical CLAMAV_DETECTION

ClamAV detected this file as malware: Heuristics.PDF.ObfuscatedNameObject
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_obj0011_000.js` `c35f939b8b08b4458e4f2307d4bfd0afc23546c955e11c1da88e87302e40c9b0`	pdf-javascript-stream	PDF /JS object 11 at offset 0x1358	3029 bytes

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