PDF malware analysis — malicious · cde6dcadc8ea46f4

MALICIOUS

PDF

4.2 KB

MD5: a2a87bbe2af46b3c18b8fe9e2868a69a SHA-1: 7dee5cbf965d40c60c0533f707e44a7423bde61c SHA-256: cde6dcadc8ea46f4ca9f73f66d20b48c2591c9c44b3428188657f993090172cb

66 Risk Score

Malware Insights

MITRE ATT&CK

T1204 Malicious File T1566.002 Spearphishing Attachment

The ML classifier strongly indicates this PDF is malicious. Heuristics confirm the presence of an embedded script payload and an embedded file, common techniques for delivering secondary malware. The embedded file 'embedded_file_obj0008.bin' is the primary IOC.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 3

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

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`embedded_file_obj0008.bin` `e9338fb2ac58aed634a7c164bee87b7b1777b4024921f81b7854a9ed28aa9655`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0xEA	12947 bytes

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