PDF malware analysis — malicious · f608d6126b046b0f

MALICIOUS

PDF

6.5 KB Authoring application: Tisilarehaue (via f2cd0Tibedegabala)

MD5: d71bfedd5c4ab07f4c49f288d35604c8 SHA-1: 8806dbd5ab2233c1a838afab6864404845e41c29 SHA-256: f608d6126b046b0f876f393ca653f876abf0df02d3143f8b7ab92d6e99a52422

106 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 JavaScript/JScript T1204.002 Malicious File

The critical ClamAV detection and high ML confidence indicate this PDF is malicious. The presence of embedded JavaScript, flagged by heuristics, strongly suggests an exploit is being used to execute arbitrary code. The JavaScript is likely responsible for downloading and executing a second-stage payload, as is common in PDF-based malware delivery.

Machine Learning

Nyx PDF Classifier malicious score 0.9990

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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