PDF malware analysis — malicious · 6ce0a64b2db0e436

MALICIOUS

PDF

97.1 KB

MD5: 956a0a690ef54ecf15715a32aee14098 SHA-1: fa1265e26a82ff2ea96a25fee979bb60cf64b86b SHA-256: 6ce0a64b2db0e436f9bba1d25eb2d91d0525d544a3a34bede019e7ecfc58dfb2

108 Risk Score

Malware Insights

MITRE ATT&CK

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

The PDF was flagged by multiple heuristics, including ML and ClamAV, for containing an embedded script payload and exploiting XFA forms. The embedded JavaScript, though obfuscated, appears to be designed to download and execute a secondary payload. The benign URLs present do not detract from the malicious nature indicated by the exploit and script.

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_0000026c.bin` `d33dc4463f1e67c0b2df8852d49a0d7994b8249294785ba84290e4cd769b1073`	pdf-embedded-script	PDF raw stream script payload at offset 0x26C	98759 bytes

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