PDF malware analysis — malicious · d5c97fe82ca90069

MALICIOUS

PDF

101.0 KB

MD5: 9c0cae2151c7f4269ff28efb1cd6deee SHA-1: aaf6fcb8b0fc20f2cd93dfb73314280de9296ea9 SHA-256: d5c97fe82ca90069ab6bdba38de5041f1434a5270ebdc286e3e1ba15f9843777

118 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell

The PDF utilizes XFA forms, a known vector for exploitation. A high-confidence ML classifier and ClamAV detection confirm its malicious nature. An embedded script payload was identified, strongly suggesting the PDF is designed to download and execute a second-stage payload. The specific nature of the embedded script could not be fully determined due to obfuscation, but its presence is a critical indicator of malicious intent.

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` `ebea9214036998788d302e101b3ad7dbe95e579fec1d168a957fce600762e355`	pdf-embedded-script	PDF raw stream script payload at offset 0x246	102683 bytes

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