PDF malware analysis — suspicious · 7ced519adf057017

SUSPICIOUS

PDF

13.4 KB

MD5: ec87b30642002849603b3497dd43cecb SHA-1: 6dc77565b0093e64f500e97fa00607f18d404db1 SHA-256: 7ced519adf0570175c8ec8c783d9df9f6f63108412daa05ad57b07732a70990c

56 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution T1059.007 JavaScript

The sample is a PDF file flagged by an ML classifier as malicious. It contains embedded content and an XFA form, which are common vectors for exploiting PDF vulnerabilities. The embedded script payload suggests an attempt to execute arbitrary code, likely to download and run a second-stage payload.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 4

Embedded file low PDF_EMBEDDED

PDF embeds a file attachment — could carry an executable or another weaponised document as a nested payload
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_file_obj0008.bin` `852e09c80181fe0442ece686b9f8251f6db0e9982309788d74fe64d92f4be45b`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0xC6	12993 bytes

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