PDF malware analysis — malicious · 83cbaece78ab0491

MALICIOUS

PDF

2.7 KB Created: 3035-01-01 Authoring application: 927

MD5: 00a91f020c353e37890d4cc4cb38c034 SHA-1: a50149be5229847b1cd4c78cdd9a7c5da3c56322 SHA-256: 83cbaece78ab0491998169fb6cd72ae0285ce8b3ec91122a6d1509496e9f2c3c

96 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell

The PDF file contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. ClamAV detected this file as 'Pdf.Exploit.Agent-36014', suggesting it exploits known PDF vulnerabilities. The extracted JavaScript file exhibits obfuscation, typical of 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` `a9270db733e3b2e469634c27fd2e1b87a48791dc1d234b3ca7d407bc01304dda`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	4780 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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