PDF malware analysis — malicious · e86587b0f60f2560

MALICIOUS

PDF

79.4 KB

MD5: 368f370625538702e669b15c47ff828e SHA-1: c002c5e2ed529bfd9d9dd37180ef07ec73f2e306 SHA-256: e86587b0f60f2560840830d9df0ad0cb5e89a7fabf4098e8a76e9fee76190c1e

118 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF was flagged by multiple high-confidence heuristics, including ML classification and ClamAV detection, indicating it contains an exploit. The presence of an XFA form and an embedded script payload strongly suggests the file is designed to execute malicious code. The embedded script is likely responsible for downloading and executing a second-stage payload, though its exact functionality is obscured.

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` `db272c06a95bc63610b3cc887535ea64f2e465aa7ba48b1024c33a36a2edfd6d`	pdf-embedded-script	PDF raw stream script payload at offset 0x23C	80624 bytes

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