PDF malware analysis — malicious · db6d2d048a9c5f10

MALICIOUS

PDF

9.3 KB

MD5: 0049417f48c9e45bbcc128e78ed3c7ae SHA-1: 865b6e1e7d11dc803c5ad2903236c24dd66dd5c0 SHA-256: db6d2d048a9c5f10c8de5e2cb26bb8cb967d87987ef4164d323fa6cd7cf983fe

74 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious File T1059.001 PowerShell

The PDF file contains embedded script payloads and is flagged by ML classifiers as malicious. The presence of embedded files and XFA forms suggests an attempt to exploit PDF vulnerabilities for payload delivery. While no specific script content was readable, the overall structure and heuristic firings indicate a malicious document designed to execute an embedded payload.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 5

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
AcroForm button with action trigger low PDF_ACROFORM_BUTTON

PDF contains a /Btn form field together with a SubmitForm/URI/Launch/JS trigger — this is the building block of fake 'Download' or 'Open' button overlays used in PDF phishing lures
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://www.xfa.org/schema/xfa-locale-set/2.1/

Extracted artifacts 5

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`embedded_file_obj0041.bin` `c06dcd026a7ea0536b63e07ce688691b585339a3ab7ff59065e546b56308c7bb`	pdf-embedded-file	PDF EmbeddedFile object 41 at offset 0xCF3	85 bytes
`embedded_file_obj0042.bin` `dda0835df994b8be920f715db36452f6cee7bb42bbc9c897f878a7b298ba8e91`	pdf-embedded-file	PDF EmbeddedFile object 42 at offset 0xDA5	1029 bytes
`embedded_file_obj0111.bin` `27b1b5ec182194e12f7ec073f6987cdf51e97e89c7d0f898c744c375a93ab042`	pdf-embedded-file	PDF EmbeddedFile object 111 at offset 0xFBF	59706 bytes
`embedded_file_obj0044.bin` `3dd68f00f4fcb366a2a3a17c65cb2626eeddf5ea5713302d374310561d810169`	pdf-embedded-file	PDF EmbeddedFile object 44 at offset 0x1FF4	144 bytes
`embedded_file_obj0045.bin` `10c03f88a5f0a0833dc5b2c8ac295b3a3c6f65e23889eb8cc1dc6fe29bf7f275`	pdf-embedded-file	PDF EmbeddedFile object 45 at offset 0x20A1	77 bytes

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