PDF malware analysis — malicious · 110d476fed53139d

MALICIOUS

PDF

3.3 KB

MD5: 5887f542e35a3e00ac58fd2b18ad8993 SHA-1: da9f889b525d0004c9e370d3e283f6283650ce53 SHA-256: 110d476fed53139dae82cd1d05df071f5f1d026aea6b0eab18cd35edae9cdf90

106 Risk Score

Malware Insights

MITRE ATT&CK

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

The PDF file contains embedded JavaScript, flagged by multiple heuristics and a machine learning classifier. The JavaScript code appears to be obfuscated but is designed to execute a payload. The ClamAV detection name 'Pdf.Exploit.Agent-36121' further confirms its malicious nature. The script likely downloads and executes a second-stage payload, indicating a common exploit delivery pattern.

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` `c10b1e8cce3f5e7e68fcd77448703f4b55de0e668c3d7a58af6307a2af53d560`	pdf-javascript-stream	PDF /JS object 7 at offset 0xA87	350 bytes

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