PDF malware analysis — malicious · f3ebd621cab4d57f

MALICIOUS

PDF

3.2 KB

MD5: e35002e9ee2ca74ae67f102b95c9e3b3 SHA-1: 1fd0cd44032af04d2b78343f4389249567b01917 SHA-256: f3ebd621cab4d57fc6d21698a16d49ec1b6d0e1d1287c3b1a653c72ee47cd2ec

106 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

This PDF was flagged as malicious by ClamAV (Pdf.Exploit.Agent-36121) and a machine learning classifier. It contains embedded JavaScript, which is often used to exploit vulnerabilities within the PDF reader. The JavaScript action and embedded JS stream heuristics indicate that this script is likely responsible for the malicious behavior, potentially downloading and executing a second-stage payload.

Machine Learning

Nyx PDF Classifier malicious score 0.9999

Heuristics 3

ClamAV: Pdf.Exploit.Agent-36121 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-36121
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_obj0007_000.js` `8a27ff9d443f167a077051cd5689c70b87ac0d766f6a8a8d83ce22b84387496c`	pdf-javascript-stream	PDF /JS object 7 at offset 0x9C4	447 bytes

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