PDF malware analysis — malicious · ee0690c4689846e2

MALICIOUS

PDF

2.7 KB Created: 2387-01-01 Authoring application: 1725

MD5: f22367be6a1593f366e175fb7abea871 SHA-1: 412a0bc3c1f40dfb526da743773ed783a85308f9 SHA-256: ee0690c4689846e2ee9866c436b4381e5dd126fcfaa48d9312112593dbfda174

126 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file was flagged as malicious by multiple engines, including ClamAV and an ML classifier. Static analysis revealed embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. The ML_NYX_PDF_MALICIOUS heuristic with a score of 0.999994 strongly suggests malicious intent. The presence of obfuscated JavaScript in the embedded artifact javascript_obj0013_001.js points towards an attempt to exploit vulnerabilities within the PDF reader.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 4

ClamAV: Pdf.Exploit.Agent-36014 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-36014
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_obj0013_001.js` `ae464f57849c8edff69ca41dbf4c3d15693b72df26451158c69ab186fe089b22`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	4762 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 10 eval/decoder/string-building token(s). Carved artifact contains 3 long hex-escaped blob(s).

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