PDF malware analysis — malicious · 875f68972841366a

MALICIOUS

PDF

2.7 KB Created: 8249-01-01 Authoring application: 2189

MD5: 6a10bea0a34e4d8b1d799ae5d6f1839f SHA-1: 89be6b476db63a6439098fa57091f4c35ccc32db SHA-256: 875f68972841366ad64d6f99d37613bbbd28bdf490a3dfd5cd08dba1ecde5f78

96 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File: User Execution: Malicious File

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 extracted JavaScript file, 'javascript_obj0013_001.js', is flagged for obfuscation, pointing towards its role in delivering a malicious payload. The primary attack pattern involves exploiting a PDF vulnerability to trigger this script execution.

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` `9e957ef1eb683a4d0f267aac29ac297b194daa4714493040963a260571e5e11f`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	4785 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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