PDF malware analysis — malicious · 321986c53f98e314

MALICIOUS

PDF

2.7 KB Created: 4149-01-01 Authoring application: 6304

MD5: 948caeac631d22870aa47cf04bc226de SHA-1: 2e0013ad5e5ef28a2942f5c7757eb65f26737e9e SHA-256: 321986c53f98e3148c14560189dbb296a2d1ca0119115e33e6b42e9ce333e62c

96 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File Execution: Malicious File Execution

The PDF file contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. The ClamAV detection 'Pdf.Exploit.Agent-36014' strongly suggests this is a known exploit. The embedded JavaScript file 'javascript_obj0013_001.js' was flagged for obfuscation, pointing towards its role in delivering a malicious payload. The lack of readable document body text means the exact lure cannot be determined, but the technical indicators are clear.

Heuristics 4

ClamAV: Pdf.Exploit.Agent-36014 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-36014
Suspicious extracted artifact medium 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.
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_obj0013_001.js` `21a2233666a5e537eb144e51d267c9df7936e1326e759957f26940bd51953da5`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	4798 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 10 eval/decoder/string-building token(s). Carved artifact contains 3 long hex-escaped blob(s).

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