PDF malware analysis — malicious · 9022ff95e7d7ba76

MALICIOUS

PDF

2.7 KB Created: 5190-01-01 Authoring application: 384

MD5: 52869d17fa4b754550422b3d9284a12c SHA-1: b6ce9d68d888fed559b9ca884404094fd372a294 SHA-256: 9022ff95e7d7ba76ba6a9caf5f1eeeaa4376d137999e3d61bc1cc0a9cc0e9bd4

96 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell

The PDF file contains embedded JavaScript, indicated by multiple heuristic firings including PDF_JAVASCRIPT and PDF_JS. The embedded JavaScript file, 'javascript_obj0013_001.js', was flagged for suspicious characteristics such as hex escape obfuscation. ClamAV also identified the file as 'Pdf.Exploit.Agent-36014', confirming its malicious nature. The primary attack pattern involves exploiting a PDF vulnerability to run obfuscated JavaScript, likely to download and execute a secondary payload.

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` `a8135fa8495d30304a471bf56e3b404adc5519ba51fe381711c08bb7cb4b250e`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	4800 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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