PDF malware analysis — malicious · 1f67f0617c1f25b6

MALICIOUS

PDF

12.1 KB

MD5: 00e4827fa0a13245a59a02d2d07942d8 SHA-1: 3b5b05d47dccee2bb33d9fe5f7b0433e055ec1a9 SHA-256: 1f67f0617c1f25b66e821e0599f9242cfbac343b2375527746f9ddf3bb3fb404

106 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF was flagged by multiple heuristics, including a high-confidence ML classifier and ClamAV detection, indicating it contains malicious JavaScript. The embedded JavaScript is likely responsible for exploiting a vulnerability within the PDF reader to download and execute a secondary payload. The specific exploit and payload are not detailed in the provided evidence, leading to an unknown family classification.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 3

ClamAV: Pdf.Exploit.Agent-36723 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-36723
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_obj0076_000.js` `b6f1a37206b646c7c7ff39f9d879c2eae365f266c5f2b80f1189f1bd07c7f583`	pdf-javascript-stream	PDF /JS object 76 at offset 0x369	11275 bytes

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