PDF malware analysis — malicious · c175d57f57e18c08

MALICIOUS

PDF

10.4 KB

MD5: 0542102690bb2e9ea72fed621054d06c SHA-1: 7fc06ebf3a6fa6438c0339cfa7cd273cebe2ffe7 SHA-256: c175d57f57e18c084becd8e56c281796d7dd9a24e886677e820e1b39387f1bb4

246 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF contains embedded JavaScript that triggers a launch action, specifically targeting cmd.exe. This indicates an attempt to execute arbitrary commands. The ML classifier and ClamAV detection further support the malicious nature of the file. No specific family could be identified, but the attack pattern is clear.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 6

Launch action critical PDF_LAUNCH

PDF contains a /Launch action whose target is an executable, URL, or UNC path — can start an external application
/Launch action target: cmd.exe critical PDF_LAUNCH_COMMAND

PDF /Launch action specifies an executable target — references a known-dangerous executable (cmd, PowerShell, etc.).
ClamAV: Heuristics.PDF.ObfuscatedNameObject critical CLAMAV_DETECTION

ClamAV detected this file as malware: Heuristics.PDF.ObfuscatedNameObject
Suspicious extracted artifact medium 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.
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.

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj0006_000.js` `c8971c8093e845b7efb86e73b5b86b27ae81722893d3af14a3cfc3d2d4b889c6`	pdf-javascript-stream	PDF /JS object 6 at offset 0x1A2	141 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 shell/COM execution token(s).

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