PDF malware analysis — malicious · c80bce216bb8f602

MALICIOUS

PDF

12.9 KB

MD5: c7c4e21b3bc8e81057a507b770e1e633 SHA-1: 4f3bdcee8d1ffefc280ecb2f2709adfefdf6af62 SHA-256: c80bce216bb8f60292056dfa8d2e088622e7399a5f669bab7bbadd047404e1f6

114 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File: User Execution T1566.002 Phishing: Spearphishing Attachment T1059.001 Command and Scripting Interpreter: PowerShell

The critical ClamAV detection and high ML classifier score strongly indicate malicious intent. The presence of embedded files and an XFA form, combined with an embedded URL, suggests this PDF is designed to exploit vulnerabilities and potentially download further malicious content. The specific ClamAV detection name 'Pdf.Exploit.Agent-36962' points to an exploit targeting PDF viewers.

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 0x2621	85 bytes
`embedded_file_obj0042.bin` `dda0835df994b8be920f715db36452f6cee7bb42bbc9c897f878a7b298ba8e91`	pdf-embedded-file	PDF EmbeddedFile object 42 at offset 0x26D3	1029 bytes
`embedded_file_obj0043.bin` `e7851af5e081c5f5c213de29bdc9f7a06a2e391a781bf5a9853e28c7c369149e`	pdf-embedded-file	PDF EmbeddedFile object 43 at offset 0x28EC	1735 bytes
`embedded_file_obj0044.bin` `3dd68f00f4fcb366a2a3a17c65cb2626eeddf5ea5713302d374310561d810169`	pdf-embedded-file	PDF EmbeddedFile object 44 at offset 0x2CD8	144 bytes
`embedded_file_obj0045.bin` `10c03f88a5f0a0833dc5b2c8ac295b3a3c6f65e23889eb8cc1dc6fe29bf7f275`	pdf-embedded-file	PDF EmbeddedFile object 45 at offset 0x2D84	77 bytes

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