PDF malware analysis — malicious · bd1b9df7aece2754

MALICIOUS

PDF

2.7 KB Created: 9768-01-01 Authoring application: 7713

MD5: 2086cece5b7775d4bd99c9c91f308f88 SHA-1: 00fd83c6ae281709ae3bf205d3eec942da67695f SHA-256: bd1b9df7aece275412ab2dd98eecd31d16e0e727f2c876ac4422e3bab6d84d78

96 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File Execution: Malicious JavaScript

The PDF file contains embedded JavaScript, indicated by multiple heuristic firings including 'PDF_JAVASCRIPT' and 'PDF_JS'. The ClamAV detection 'Pdf.Exploit.Agent-36014' further confirms its malicious nature. The embedded JavaScript file 'javascript_obj0013_001.js' is suspicious due to hex escape obfuscation and script obfuscation indicators. This JavaScript is likely responsible for downloading and executing a second-stage payload, which is a common attack pattern for PDF-based malware.

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` `9223c890537bd73bc8d86376f08bca874c3236323a4e1432cb21e4c37a0d6494`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	5045 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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