PDF malware analysis — malicious · 9247bb416e9faa2b

MALICIOUS

PDF

3.3 KB

MD5: 30a5743b553c92833af3596d922d1692 SHA-1: d8cba5f74eb6d96238aa88be083c7517dfbf02d0 SHA-256: 9247bb416e9faa2b3eedfb2a03649cc9461a8b023bce6847a9b0e8e5d5b7875a

106 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 JavaScript/Shell Script Execution: JavaScript T1204.002 Malicious File: Malicious JavaScript

The PDF file contains embedded JavaScript, as indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. ClamAV detection as 'Pdf.Exploit.Agent-36121' strongly suggests a known exploit. The embedded JavaScript is the likely mechanism for delivering the exploit, aiming to download and execute a secondary payload. The ML classifier also flagged the PDF as malicious with high confidence.

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` `eef60f969559c217951bb78359de64eaabd7a4dfcfbff8d679a6fb675aafd50e`	pdf-javascript-stream	PDF /JS object 7 at offset 0xA85	313 bytes

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