PDF malware analysis — malicious · dc4acbb1a5fdbb72

MALICIOUS

PDF

3.3 KB

MD5: 1cd0037e6e60d5cead5fc5c1faaa917b SHA-1: 526ff5aeb9b1622e7ef540b6401e4531eea2f243 SHA-256: dc4acbb1a5fdbb723e405bfdc2ec06a57b8be45b32920bf3800aba8cb3f8d9fc

108 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious Link

This PDF file was flagged as malicious by ClamAV and a machine learning classifier. It contains embedded JavaScript, which is a common technique for exploiting PDF vulnerabilities. The JavaScript is likely used to download and execute a second-stage payload, although the exact functionality could not be fully determined due to obfuscation.

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` `224b301cbbf7c335db4dd0e694c41df604dadbbe397e52f42b68abc2d6cd07ab`	pdf-javascript-stream	PDF /JS object 7 at offset 0xA87	309 bytes

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