PDF malware analysis — malicious · f977f45a9dcdbe94

MALICIOUS

PDF

3.2 KB

MD5: dde6c484c63dfc863389956f3c4abbba SHA-1: b3422feceb80f8cd8c7c596daebbe9ee5454de38 SHA-256: f977f45a9dcdbe94dc6b41c9ef032614a4989675a1169a150d8e1fa3a7c3c515

106 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically detecting a PDF exploit. Embedded JavaScript was extracted, indicating an attempt to execute arbitrary code. This JavaScript is likely responsible for downloading and executing a second-stage payload, as suggested by the exploit detection.

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` `d684285604bddea3a511652e8b49134fa3d01db193a49ed8ca61e62376acaf50`	pdf-javascript-stream	PDF /JS object 7 at offset 0x9C4	458 bytes

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