PDF malware analysis — malicious · 4258282f0a2cf89e

MALICIOUS

PDF

10.8 KB Created: 2008-07-26 19:43:58 Authoring application: Scribus 1.3.3.12 (via Scribus PDF Library 1.3.3.12)

MD5: 3ac722f9b6102a9b8ed4674fb8da028d SHA-1: 576c2d094a3c7f77252a2c8fe463c39505c05f3d SHA-256: 4258282f0a2cf89e80ff15fef40dc365a67308cdb26092f4895d6fcb92e4a233

118 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1059.007 JavaScript

The PDF file contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. The presence of a PDF_EVAL heuristic firing suggests that the JavaScript code is obfuscated and uses eval() to execute it. The ClamAV detection 'Pdf.Dropper.Agent-7254710-0' further confirms its malicious nature. The script's obfuscated nature and the 'dropper' classification imply it's designed to download and execute a secondary payload.

Heuristics 5

ClamAV: Pdf.Dropper.Agent-7254710-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Dropper.Agent-7254710-0
eval() call high PDF_EVAL

eval() found — commonly used for obfuscated exploit execution
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.
Suspicious extracted artifact info 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.

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj0013_000.js` `977fab1e0fcd5dba081877654a69c10832e6d144f66b7571e34b6df8cc894e00`	pdf-javascript-stream	PDF /JS object 13 at offset 0x336	9492 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 2 eval/decoder/string-building token(s).

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