PDF malware analysis — malicious · f4b01c7c91c92b74

MALICIOUS

PDF

2.7 KB Created: 7218-01-01 Authoring application: 1821

MD5: 86145234411f42699e43937326242ae1 SHA-1: 2ec8cc81ed8dfff66b4894e34f8c5539f4910d82 SHA-256: f4b01c7c91c92b74bb06e6673a1fd56179a768a6a3f10b4c7f228004e832dbdc

96 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file contains embedded JavaScript, indicated by multiple heuristic firings including 'PDF_JAVASCRIPT' and 'PDF_JS'. The 'CLAMAV_DETECTION' heuristic identifies the file as 'Pdf.Exploit.Agent-36014', suggesting it exploits a known PDF vulnerability. The extracted JavaScript file shows signs of obfuscation, typical for malware attempting to hide its malicious actions, likely to download and execute a second-stage 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` `9003c72f39917b96d2d39c79cd9dd8fb7423754ae847e624b4f94626914388a6`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	4978 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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