PDF malware analysis — malicious · 1e5bf7ffa0df54e9

MALICIOUS

PDF

2.7 KB Created: 5622-01-01 Authoring application: 1473

MD5: 3161bb238fb8f42d4c82d060d1f5584b SHA-1: ca6f400378ee9732edb9c5a2cd528f4a57e2a6b9 SHA-256: 1e5bf7ffa0df54e93fea2c9d0231a38eb9955592f968b56f90778fac6e3debc8

96 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 Command and Scripting Interpreter: PowerShell T1204.002 Malicious Link: Malicious File

The PDF file contains embedded JavaScript, indicated by multiple heuristic firings including PDF_JAVASCRIPT and PDF_JS. The ClamAV detection 'Pdf.Exploit.Agent-36014' strongly suggests a known exploit. The extracted JavaScript file, 'javascript_obj0013_001.js', likely contains the malicious payload responsible for the exploit, though its specific actions are not detailed in the provided evidence. The attack pattern involves luring the user to open the PDF, which then triggers the embedded JavaScript to execute an exploit.

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` `b0a101c1aea5fb29696211144f9f97359ce482057acbc9547accaf987ba0aaa6`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	4778 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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