PDF malware analysis — malicious · 6dd43d3ebec68ec8

MALICIOUS

PDF

14.3 KB Created: 2009-11-15 19:41:70 Authoring application: PDF Library 4.3.9 (via PDF Library 3.9.7)

MD5: 8874d48efb3a0250bf480b11dea1dee1 SHA-1: 4fcdbcec8aeedf3b02690773b86aa3bad8b18afc SHA-256: 6dd43d3ebec68ec8a78bd39ec83375b29b25771227a46359cb001018bea75440

166 Risk Score

Malware Insights

MITRE ATT&CK

T1059.007 JavaScript T1566.001 Spearphishing Attachment

The PDF contains embedded JavaScript, identified by heuristics and a ML classifier as malicious. The ClamAV detection 'Win.Trojan.Agent-36166' further confirms its malicious nature. The JavaScript appears to be obfuscated but is likely responsible for downloading and executing a secondary payload, a common technique for this type of threat.

Machine Learning

Nyx PDF Classifier malicious score 0.9999

Heuristics 4

ClamAV: Win.Trojan.Agent-36166 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Win.Trojan.Agent-36166
ClamAV detection on extracted artifact critical EXTRACTED_FILE_CLAMAV

ClamAV flagged at least one file extracted from inside this sample. Even when the wrapping document carries no AV detection of its own, a hit on the carved artifact is a strong indicator the sample is a delivery vehicle.
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` `7459fcfdaebdb528bcf41e7823086b6c0b53e4cbe716aaba662b7d44713e9f01`	pdf-javascript-stream	PDF /JS object 7 at offset 0x1A5	74919 bytes
Detection ClamAV: Win.Trojan.Agent-36166 Obfuscation or payload: unlikely

Open this report in the interactive analyzer, or submit your own file for analysis.