PDF malware analysis — malicious · 47001bda74f34f21

MALICIOUS

PDF

2.7 KB Created: 2056-01-01 Authoring application: 9118

MD5: fcebc9965afb1cec3a304d5a3b6b645c SHA-1: 5590c3a75612338629198741ce0b5d2754233998 SHA-256: 47001bda74f34f21d258f965ecd33433f17beb3ae5c86aeb20ea2fa13d68222a

126 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF was flagged by multiple heuristics, including a critical ClamAV detection for 'Pdf.Exploit.Agent-36014' and a high ML score. An embedded JavaScript file was also extracted, indicating the likely execution of malicious code. The ML classifier's high confidence and the ClamAV detection strongly suggest this PDF is designed to exploit a vulnerability, likely leading to the execution of the embedded JavaScript.

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` `c951062186257ca077e618fb1867f3731d0a43b964788473ad67cf39ec4dbd57`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	4796 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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