PDF malware analysis — malicious · 2a76510f3b8015df

MALICIOUS

PDF

7.5 KB Authoring application: Jgaxivakafowizasi (via e0b79Uohosicilab)

MD5: e4f41ec4bf189db20e4cd7b0753249d2 SHA-1: c343fb3772bd17df7817ddeb7eeeaf635d83dee6 SHA-256: 2a76510f3b8015df51d2dbde1d737d179572a1e3cf20007639372a2eddc50338

108 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF was flagged by multiple heuristics, including a critical ClamAV detection for 'Heuristics.PDF.ObfuscatedNameObject' and an ML classifier indicating maliciousness. The presence of embedded JavaScript, indicated by 'PDF_JAVASCRIPT' and 'PDF_JS' heuristics, suggests an attempt to execute arbitrary code. While the document body is unreadable, the combination of these factors points to a malicious PDF designed to exploit vulnerabilities or deliver further malware.

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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