PDF malware analysis — malicious · f65bf274123800c7

MALICIOUS

PDF

6.6 KB Authoring application: Tisilarehaue (via 0e4c3Tibedegabala)

MD5: ed39e268be262000943aa8ace3eaa8df SHA-1: 8465781bcd8540427167039ac8c660bb9c8c8870 SHA-256: f65bf274123800c7945de8773c5f5e900d8f8b9adca640a8ca2269ec82032eef

106 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF contains embedded JavaScript, as indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. The ML classifier and ClamAV detection strongly suggest this is a malicious PDF exploiting a known vulnerability. The embedded JavaScript is likely responsible for executing a malicious payload, though its exact function cannot be determined due to obfuscation or truncation.

Machine Learning

Nyx PDF Classifier malicious score 0.9989

Heuristics 3

ClamAV: Pdf.Exploit.Agent-36142 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-36142
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_obj0010_000.js` `d4dce4f95f7146e3b127d68edf45ceb045483a205d9e9a2a53d6e6b80d83b663`	pdf-javascript-stream	PDF /JS object 10 at offset 0x1230	1728 bytes

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