PDF malware analysis — malicious · 1fd973e46422ddff

MALICIOUS

PDF

2.7 KB Created: 3834-01-01 Authoring application: 3006

MD5: 98ff307bf6032bd46b83b95f21196f62 SHA-1: 7226a745d030cbbdb64f4a2e3c1082b7f05b2207 SHA-256: 1fd973e46422ddffacea700d48fda8d5a9c3a86beafa91e67714854ae362b088

96 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File: Malicious File

The PDF file contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. The CLAMAV_DETECTION heuristic identifies the file as 'Pdf.Exploit.Agent-36014', suggesting it exploits a known PDF vulnerability. The extracted JavaScript file exhibits obfuscation, a common technique for delivering second-stage malware. The primary attack pattern involves leveraging this JavaScript to download and execute additional 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` `9aa3b11d4eaf2d63e6723ef4c5ff6f7ad90c8bbd7609cf31ea5c648718c27928`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	4789 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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