PDF malware analysis — malicious · 296f0d67f21958bc

MALICIOUS

PDF

13.1 KB

MD5: b34f74a8fdbeaa992ce2a44c5544b404 SHA-1: ed255f8c430c95739f1a082f01cf14b910d06940 SHA-256: 296f0d67f21958bc57fc2764a2f19381efbdf077639074c23638251498e6807e

114 Risk Score

Malware Insights

MITRE ATT&CK

T1204 Malicious Link T1204.002 Malicious File

The PDF file contains embedded objects and an XFA form, which are common vectors for PDF exploits. The ML classifier and ClamAV detection strongly indicate malicious intent, likely involving the exploitation of a PDF vulnerability to download and execute a secondary payload. The embedded URL is suspicious and may be related to the exploit or payload delivery.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 5

ClamAV: Pdf.Exploit.Agent-36962 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-36962
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 0x26E2	85 bytes
`embedded_file_obj0042.bin` `dda0835df994b8be920f715db36452f6cee7bb42bbc9c897f878a7b298ba8e91`	pdf-embedded-file	PDF EmbeddedFile object 42 at offset 0x2794	1029 bytes
`embedded_file_obj0043.bin` `9c58a0994eee827abd1bc8adae7b02a4c6236f9577fb5360a2838db447a23842`	pdf-embedded-file	PDF EmbeddedFile object 43 at offset 0x29AD	1789 bytes
`embedded_file_obj0044.bin` `3dd68f00f4fcb366a2a3a17c65cb2626eeddf5ea5713302d374310561d810169`	pdf-embedded-file	PDF EmbeddedFile object 44 at offset 0x2DBD	144 bytes
`embedded_file_obj0045.bin` `10c03f88a5f0a0833dc5b2c8ac295b3a3c6f65e23889eb8cc1dc6fe29bf7f275`	pdf-embedded-file	PDF EmbeddedFile object 45 at offset 0x2E69	77 bytes

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