PDF malware analysis — malicious · a58cd032576e6d32

MALICIOUS

PDF

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

MD5: 3075fcb63b6f3ed4ae29a2567a69a8a6 SHA-1: b12a1edaf81ce09fefed53210a4772997fecf1eb SHA-256: a58cd032576e6d32aab378bb782520d341a8e6ff3f0bda16b6b54df7abd625df

148 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The file is identified as a malicious PDF by ClamAV and a machine learning classifier. Heuristics indicate the presence of embedded JavaScript with an eval() call, suggesting code execution. The embedded JavaScript is likely responsible for downloading and executing a second-stage payload, as indicated by the 'Pdf.Dropper' detection name. No specific family could be identified.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 5

ClamAV: Pdf.Dropper.Agent-7289785-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Dropper.Agent-7289785-0
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` `50e9612bd0bf38855a76c4d327ed93a2edad6cc48cbeba42918eb0e5bfe48fa3`	pdf-javascript-stream	PDF /JS object 13 at offset 0x336	9381 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 2 eval/decoder/string-building token(s).

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