PDF malware analysis — malicious · 311c141913fd0ada

MALICIOUS

PDF

3.3 KB

MD5: a59a6d9d4150497f6e6ad063c526c5f8 SHA-1: 24b1fbd35281fe7b8c85d792d728a216ecba9e66 SHA-256: 311c141913fd0ada08a853f56d6cbcb063fc1a50d02bc7190c950f3fbed51c74

106 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 a common technique for exploiting PDF vulnerabilities to download and execute further payloads. The specific exploit used is not detailed, but the presence of JavaScript and the ClamAV signature strongly suggest a malicious intent.

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` `5a301b585a36aa6fab1640637c0d8719ab3fe28deaafcf73b045624407357743`	pdf-javascript-stream	PDF /JS object 7 at offset 0xA85	330 bytes

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