PDF malware analysis — malicious · 0062b6f66239f6b3

MALICIOUS

PDF

13.2 KB

MD5: 200f7bea77c382ad31aacb995981de38 SHA-1: e771ac14b61317f3acd0fced5477f6a5e129045b SHA-256: 0062b6f66239f6b3001d276ff7c6fac233c731befc45fa5dfea154d356f83199

68 Risk Score

Malware Insights

MITRE ATT&CK

T1204 Malicious File T1204.002 Malicious File: User Execution: Malicious Attachment

The PDF file was flagged as malicious by an ML classifier with high confidence. It contains embedded content and an embedded script payload, indicating an attempt to deliver a secondary exploit or malware. The presence of XFA form elements further suggests a complex attack vector. The embedded file and script are key indicators of malicious intent.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 4

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.
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 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/xci/
- 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` `08cbfd80c6fb3f7c727ed31f16a0e01ef41f50ed074aeb80f0929974f3d79538`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0xD5	12752 bytes

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