PDF malware analysis — malicious · 4349c4b4d626c807

MALICIOUS

PDF

2.7 KB Created: 6389-01-01 Authoring application: 4042

MD5: acbd22fe43aebae7fb1dd7534186dc4f SHA-1: f6dbcc230e694938384a76f182d482ce1ea50243 SHA-256: 4349c4b4d626c8070b49543f87a2a32eb29f62a72d885ab1110fb224c65045d0

96 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File: 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 embedded JavaScript file 'javascript_obj0013_001.js' is flagged for obfuscation, pointing towards malicious intent. The likely purpose of the script is to download and execute a secondary payload, a common technique 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` `b1002afef113920641a9aea0e51a1084c1ff0151e1aa42056756f9d3a3dd19e1`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	4787 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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