PDF malware analysis — malicious · 9d449e66c04afce3

MALICIOUS

PDF

97.3 KB

MD5: a1adfa62fd9999fc5400f05e775247f3 SHA-1: cae3bc0234a68eda4a0cc8b51c705d57d2df1c5f SHA-256: 9d449e66c04afce3e24c31969054cfd425199e5984d0d7120c03270bc31db016

118 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file contains an embedded script payload, indicated by the PDF_EMBEDDED_SCRIPT_PAYLOAD heuristic and confirmed by ClamAV detection as Pdf.Exploit.Agent-6136306-0. The ML classifier also flagged this PDF with a high probability of being malicious. The XFA form structure suggests a potential vector for exploit delivery. The embedded script is likely responsible for downloading and executing a second-stage 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_0000026c.bin` `76d8f31ce48fe7e90c586ba744a827405c7f202bea9a7cc91cfb67fc0510f764`	pdf-embedded-script	PDF raw stream script payload at offset 0x26C	98867 bytes

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