PDF malware analysis — malicious · 8f19b196fd4c6d57

MALICIOUS

PDF

2.7 KB Created: 4738-01-01 Authoring application: 1562

MD5: bb3e97f9f2fa3abe508f53209fcd4758 SHA-1: ed2845317e0bf2d3268ee25df54e3533bd5f2e01 SHA-256: 8f19b196fd4c6d57552981170fefa742b73a5de74b3630f63293b4290207b747

96 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. The ClamAV detection 'Pdf.Exploit.Agent-36014' strongly suggests this is a known exploit. The extracted JavaScript file, 'javascript_obj0013_001.js', shows signs of obfuscation, typical for malware attempting to hide its malicious actions. The primary function of this script is likely to download and execute a secondary payload, which is a common attack vector 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` `c42caed5a37f10093a2e4dade1ea10daaa4e2118dd98cf8b993f5f18178d81e7`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	5197 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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