PDF malware analysis — malicious · 0d61759f754ea78d

MALICIOUS

PDF

16.0 KB

MD5: 3a058118631c733858a04b95a4c0ead6 SHA-1: 0b87335c52c9cefe3279536d3c18396349b84815 SHA-256: 0d61759f754ea78d24d45e3b0d4e8d17a2388c37482dab224ddffa89d9144a41

106 Risk Score

Malware Insights

MITRE ATT&CK

T1059.007 JavaScript T1203 Exploitation for Client Execution T1566.001 Spearphishing Attachment

The file is a PDF containing embedded JavaScript, flagged by multiple heuristics and a machine learning classifier as malicious. ClamAV identifies it as Pdf.Exploit.Agent-36324, indicating a known exploit. The JavaScript, though obfuscated, is designed to download and execute a secondary payload, a common technique for initial compromise.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 3

ClamAV: Pdf.Exploit.Agent-36324 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-36324
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_obj0076_000.js` `2077d473c697c691e8f3aef793e38f05b2980afe8e632b77d3f522ddd8a3e945`	pdf-javascript-stream	PDF /JS object 76 at offset 0x2D4	15465 bytes

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