PDF malware analysis — malicious · f6999fbe4cdb88a4

MALICIOUS

PDF

2.7 KB Created: 9569-01-01 Authoring application: 9644

MD5: 725b0e459aabfa72f61a167bde16167a SHA-1: 40c86b8172ee65c8e8f3a979ade86f0f58fc6934 SHA-256: f6999fbe4cdb88a442aa4d35a0cf8ddb8bfe2f576def90fd78b210c5df63095d

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'. ClamAV also identified the file as 'Pdf.Exploit.Agent-36014'. The embedded JavaScript file exhibits obfuscation, suggesting it is designed to execute malicious code, likely exploiting a PDF vulnerability to achieve its objective. The exact nature of the exploit is not fully discernible due to obfuscation, but the presence of JavaScript points towards code 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` `05ffa79fd08d12c58521f682967ae191d2f57c5e7b7951445b379b28f910aa06`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	4777 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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