PDF malware analysis — malicious · 41ca1c893146a983

MALICIOUS

PDF

79.4 KB

MD5: 06ce3ae8b8b974a9685b8f0d7d8d0e0c SHA-1: 212ba262582a8b2a257a436548a076199a215757 SHA-256: 41ca1c893146a9830297cfe63959f496654b2d3e917b73c48a48932f33d68e34

118 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File: User Execution: Malicious File T1566.002 Phishing: Spearphishing Attachment

The PDF file contains an embedded script payload and triggers heuristics related to XFA forms and malicious PDF exploits. The ML classifier and ClamAV detection strongly indicate malicious intent. The embedded script is likely responsible for delivering the exploit, although its specific actions are not detailed in the provided evidence.

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_0000023c.bin` `0593eac3d7c02e3efce87781a265d1a5c2b2f3088b2b5105dd73a3f8694efe05`	pdf-embedded-script	PDF raw stream script payload at offset 0x23C	80622 bytes

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