PDF malware analysis — malicious · 32589214e47666e8

MALICIOUS

PDF

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

MD5: e34c110293b82491e50e7d93041b28d9 SHA-1: 77c88a21bea310da68e7c0482d6fee3e2ba60a90 SHA-256: 32589214e47666e8aa2761b1f0c7ef76be5eb5718db5c70a5b6d685f9ca52109

150 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1059.007 JavaScript

This PDF file was flagged as malicious by a ClamAV signature (Pdf.Dropper.Agent-1828682) and an ML classifier. It contains obfuscated JavaScript streams, including calls to eval(), which are indicative of a dropper or downloader. The script's intent is to execute arbitrary code, likely to fetch and run a secondary payload from a remote source. The presence of multiple JavaScript objects and the use of eval() strongly suggest a malicious intent to compromise the user's system.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 5

ClamAV: Pdf.Dropper.Agent-1828682 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Dropper.Agent-1828682
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 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj0013_000.js` `282521304251f76206be83d833f9bca7135218325908e9509e4be8158066b6eb`	pdf-javascript-stream	PDF /JS object 13 at offset 0x336	9698 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 3 eval/decoder/string-building token(s). Carved artifact contains 3 long base64-like blob(s).
`javascript_obj0013_001.js` `20438c4f743f3a6265a57201ec5b10159dac71ab0a4b603fd3b773d37615a834`	pdf-javascript-stream	PDF /JS object 13 at offset 0x358	10404 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 3 eval/decoder/string-building token(s). Carved artifact contains 3 long base64-like blob(s).

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