PDF malware analysis — malicious · 439ae02a20938b36

MALICIOUS

PDF

2.7 KB Created: 55 Authoring application: 1430

MD5: 63f5a865b858a67389e0f30192f409c7 SHA-1: f0f0ad9cd32a2bb80a64c1cc7072a371eb9c3397 SHA-256: 439ae02a20938b36d474a7e4a8acb87ad433d4087e2e9e190734767ce1efc309

96 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF contains embedded JavaScript, indicated by multiple heuristic firings. The embedded JavaScript file, 'javascript_obj0013_001.js', shows signs of obfuscation and hex escape sequences, suggesting it's designed to exploit a vulnerability within the PDF reader. ClamAV also identified this as 'Pdf.Exploit.Agent-36014'. The primary attack pattern involves leveraging this JavaScript to execute malicious code.

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` `77e1fd90ef6cf84fd11c3f4377c345e4a41d8d3cc3785ac9f128dd208947287b`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	4792 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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