PDF malware analysis — malicious · f7bd4ea7cf388e66

MALICIOUS

PDF

4.6 KB Created: 2008-08-06 01:42:27 Authoring application: Scribus 1.3.3.12 (via Scribus PDF Library 1.3.3.12)

MD5: c1fd4915f50a3aef61e84de81228d966 SHA-1: 01fca9eb01c73282991dc383ae76d615a53385d7 SHA-256: f7bd4ea7cf388e66c8f3775a555ddc7dc4edf654865ff90fa04ff277a055e4de

88 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell

This PDF file was flagged as malicious by an ML classifier with high confidence. Static analysis revealed embedded JavaScript with obfuscation indicators and an eval() call, suggesting it's designed to execute arbitrary code. The JavaScript is likely responsible for downloading and executing a second-stage payload, although the exact mechanism is obscured. The PDF was authored using Scribus.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 4

eval() call high PDF_EVAL

eval() found — commonly used for obfuscated exploit execution (matched inside decoded stream)
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_001.js` `99d77b6179b3faefd5fb590210e22ef25edbc93a814c871b97d43520dd148490`	pdf-javascript-stream	PDF /JS object 13 at offset 0x364	6152 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 4 eval/decoder/string-building token(s).

Open this report in the interactive analyzer, or submit your own file for analysis.