PDF malware analysis — malicious · 85d1048d069b89c1

MALICIOUS

PDF

3.2 KB

MD5: a0fd6ab90cbf6628f359c9663a90a99a SHA-1: f7bc31af3cf53b8573b2b7b0e7277380f5afcb5f SHA-256: 85d1048d069b89c132cd7690c6e2ad35bae1324d224ecabbb7d84f1dfda87435

106 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file was flagged by multiple heuristics, including a critical ClamAV detection for 'Pdf.Exploit.Agent-36121'. It contains embedded JavaScript, which is a common technique for exploiting PDF vulnerabilities. The ML classifier also strongly indicated maliciousness. The embedded JavaScript is likely responsible for executing a malicious 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` `624266eefc1a8c2acf3a126054d6c0b4c294f7025f2589162bafb4082edb2ba2`	pdf-javascript-stream	PDF /JS object 7 at offset 0x9C8	500 bytes

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