PDF malware analysis — malicious · 985a25311dd13433

MALICIOUS

PDF

2.5 KB Created: 2008-31-20 53:85:00 Authoring application: aaaaaaaa

MD5: 581fc702d276e901df2ab9a8866c8287 SHA-1: f3ea17d046f58fe1ab0d7be89c54d81f9e3d8b18 SHA-256: 985a25311dd134337c35747e10098ce1ea05ef2ed014c9e0775c9c9bbd9c83f5

78 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File: Malicious File

The PDF file contains embedded JavaScript, indicated by PDF_JAVASCRIPT and PDF_JS heuristics. The ClamAV detection 'Pdf.Exploit.Agent-36014' strongly suggests exploitation of a known PDF vulnerability. The extracted JavaScript file, 'javascript_obj0013_001.js', is likely responsible for downloading and executing a secondary payload, a common technique for initial access.

Heuristics 4

ClamAV: Pdf.Exploit.Agent-36014 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-36014
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.
Suspicious extracted artifact info EXTRACTED_FILE_STATIC_TRIAGE

One or more files extracted from inside this sample matched static suspicious-content checks such as script obfuscation, encoded payload blobs, packed data, or execution/download terms.

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj0013_001.js` `840c4662fe84a6742de9c35bec84177cf17aaa9ce93a5a2722a10b97cb7ea660`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	3785 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 6 eval/decoder/string-building token(s).

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