PDF malware analysis — malicious · a0f4f33c4d160b19

MALICIOUS

PDF

3.3 KB

MD5: afb07eedbba3422c98bec06b97cd9352 SHA-1: 8b6592657049aff57a0e5adc6139919b9f27778e SHA-256: a0f4f33c4d160b19f8ef6211a522170f7cdc5dc1217d3f18aab1d742ea1ee089

106 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically identifying it as Pdf.Exploit.Agent-36121. Static analysis revealed embedded JavaScript, indicating an attempt to execute malicious code upon opening the document. The presence of JavaScript actions and streams strongly suggests the PDF is designed to exploit vulnerabilities and download or execute a secondary 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` `41585ba35320b63ce497d561793a9e9df4bc0a47b5f6c3e7ec5b47df5926eafd`	pdf-javascript-stream	PDF /JS object 7 at offset 0xA87	334 bytes

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