PDF malware analysis — malicious · fd5739db4bbf3b01

MALICIOUS

PDF

2.7 KB Created: 6944-01-01 Authoring application: 3117

MD5: 7cb3afbb10d82f57316f8a8cb849b866 SHA-1: cf1909f1191e3faf7ea8f8794ed6389ffb2cc92a SHA-256: fd5739db4bbf3b010146d393e40c3ad3ab0b912ab33f7c7c0300028b7acb2649

96 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell

The PDF file contains embedded JavaScript, indicated by PDF_JAVASCRIPT and PDF_JS heuristics. The critical ClamAV detection and suspicious extracted artifact (javascript_obj0013_001.js) with hex escape obfuscation further confirm malicious intent. The embedded JavaScript is likely responsible for downloading and executing a second-stage payload, though its exact functionality is obscured by obfuscation.

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` `240ccab4cbee23e8ebee832b77201dd7672bcda7306c6405a56e5ed1ee47ba3a`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	5044 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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