PDF malware analysis — malicious · f77a51593ff4041f

MALICIOUS

PDF

6.7 KB Created: 2008-31-20 53:85:00 Authoring application: Scribus 1.3.3.12 (via Scribus PDF Library 1.3.3.12)

MD5: 2fed558251cc6ab7e3dc91e59f9aad8b SHA-1: bfcd25455677405a037e313c39aa3f9cb97fae10 SHA-256: f77a51593ff4041fb1a86e1a94f3373e6e1999c9e9fdd35a760008c054b8b2f2

208 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell

This PDF file was detected as malicious by ClamAV with the signature Pdf.Exploit.Agent-35587. Static analysis revealed embedded JavaScript with multiple eval() calls, indicating obfuscation. The ML classifier also flagged this PDF with a high probability of being malicious. The primary attack pattern involves leveraging JavaScript within the PDF to execute malicious code, likely to download and run a secondary payload.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 6

ClamAV: Pdf.Exploit.Agent-35587 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-35587
ClamAV detection on extracted artifact critical EXTRACTED_FILE_CLAMAV

ClamAV flagged at least one file extracted from inside this sample. Even when the wrapping document carries no AV detection of its own, a hit on the carved artifact is a strong indicator the sample is a delivery vehicle.
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_001.js` `28cf29764d61e36f7da9cb5ae7217985043e4e6574f98111e8a8cebe9bda4c3c`	pdf-javascript-stream	PDF /JS object 13 at offset 0x38C	5290 bytes
Detection ClamAV: Pdf.Exploit.Agent-35587 Obfuscation or payload: likely Carved artifact contains 5 eval/decoder/string-building token(s).

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