PDF malware analysis — malicious · 9f7e0023f7e55968

MALICIOUS

PDF

2.7 KB Created: 3085-01-01 Authoring application: 5252

MD5: f8ce1b44ca45d6442b91082ccb369ac0 SHA-1: 82279bcc9faf2edbe1b20e6da34d9503cf4eae38 SHA-256: 9f7e0023f7e5596831aee3a00f24f33ccfa22e9ee10cf3861f6a68aa2434d8b8

126 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. The ML classifier and ClamAV detection strongly suggest malicious intent, specifically an exploit. The extracted JavaScript file, javascript_obj0013_001.js, likely contains the malicious payload. The ML_NYX_PDF_MALICIOUS score of 0.999994 and ClamAV's Pdf.Exploit.Agent-36014 detection confirm this is an exploit-based PDF.

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` `f986054e655d691d5ce1f1faad26ef27a3a655fc1db364afa686d111c04861d5`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	4798 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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