PDF malware analysis — malicious · 693da06bf1330008

MALICIOUS

PDF

79.4 KB

MD5: 14f59ad542bcd1aa8d5c00faf094644c SHA-1: d2bfb769cb77550d28053404332eebcdb2b94e87 SHA-256: 693da06bf133000801b3947c7203a3fe8134c6f8ad4a302cfc9d17085af78c4f

108 Risk Score

Malware Insights

MITRE ATT&CK

T1059.007 JavaScript T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF utilizes XFA (XML Forms Architecture) and contains an embedded JavaScript payload. This script is designed to be executed upon opening the PDF, and its obfuscated nature suggests it's intended to download and execute a secondary malicious component. The ClamAV detection 'Pdf.Exploit.Agent-6136306-0' further confirms its malicious nature.

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
XFA form low PDF_XFA

PDF uses XML Forms Architecture — can contain script logic
Embedded script payload in PDF stream low 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.
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` `26950af63552e5f87fe48f9ec7ffd112d10fa93ba80663e7dc4319b629972deb`	pdf-embedded-script	PDF raw stream script payload at offset 0x23C	80624 bytes

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