PDF malware analysis — malicious · b3d79d8c100ffcdd

MALICIOUS

PDF

100.6 KB

MD5: c6d594770bfc97cd0f64800864fac681 SHA-1: c4a3372eb61c9897a7aa130c248edd4fcd0b47e6 SHA-256: b3d79d8c100ffcdd77ecd65edf32b75b4b2add511b1af7a5879d75e278605416

118 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-6136306-0' and an ML classifier indicating high maliciousness. The presence of an XFA form and an embedded script payload suggests the document is designed to exploit vulnerabilities or execute malicious code upon opening. The embedded script is likely responsible for delivering the exploit or payload.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 4

ClamAV: Pdf.Exploit.Agent-6136306-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-6136306-0
Embedded script payload in PDF stream medium PDF_EMBEDDED_SCRIPT_PAYLOAD

PDF stream bytes contain an HTML/XFA <script> tag without accompanying Windows shell-execution primitives — common in accessible XFA forms but worth surfacing for analyst review.
XFA form low PDF_XFA

PDF uses XML Forms Architecture — can contain script logic
Embedded URL info EMBEDDED_URL

One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
URL http://ns.adobe.com/xdp/
- http://www.xfa.org/schema/xfa-template/2.5/
- http://www.xfa.org/schema/xfa-data/1.0/

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`embedded_pdf_script_00000246.bin` `e81a6604a50d098249c22e59532fdbc961821ec29b3bb1f188e192d659ff1cb7`	pdf-embedded-script	PDF raw stream script payload at offset 0x246	102264 bytes

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