PDF malware analysis — malicious · 479e4c346489b026

MALICIOUS

PDF

3.2 KB

MD5: f5f1186c0a42569ba741620a5f4249b6 SHA-1: 1bcc07ccc2b71b51c77d131e0acf39193477abf8 SHA-256: 479e4c346489b026df2b3aab731da90c79cdbbab26991ed7406d68be3861bd7b

106 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file was flagged as malicious by ML classifiers and ClamAV with the signature Pdf.Exploit.Agent-36121. It contains embedded JavaScript, indicating an attempt to exploit vulnerabilities within the PDF reader to execute arbitrary code. The embedded JavaScript is likely responsible for downloading and executing a second-stage 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` `4b06dbce4bbc9c521eb9d2e989dc194e427d8af7b9d41dc91b3d99d7911eb1a2`	pdf-javascript-stream	PDF /JS object 7 at offset 0x9C6	484 bytes

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