PDF malware analysis — malicious · 8680a01b02f43fe3

MALICIOUS

PDF

3.3 KB

MD5: 08467decfe058a0f949c84fb3257f9ad SHA-1: 095d23c4369698c851881f2299bcbdc80fac1fce SHA-256: 8680a01b02f43fe3ff1dcd45467099c9a1e9e4960141ec14c025c255815dd6c1

108 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file was flagged by ClamAV as Pdf.Exploit.Agent-36121 and a machine learning classifier indicated a high probability of maliciousness. Embedded JavaScript was detected, which is commonly used to exploit PDF vulnerabilities and download further malicious content. The specific JavaScript stream was too obfuscated to determine its exact function, but its presence strongly suggests an exploit attempt.

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` `a2e6622a95ee386d322a94d860266a4046a4fc63cca2f2fed0edefb9d4702011`	pdf-javascript-stream	PDF /JS object 7 at offset 0xA86	307 bytes

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