PDF malware analysis — malicious · 3e648b67bd2b8f62

MALICIOUS

PDF

13.3 KB

MD5: 47d529acff64b20ed0abd043b802f07a SHA-1: 9b0d6914283a3d1c49fdd6e22081cfaf1653c593 SHA-256: 3e648b67bd2b8f6272eb3449dc39fcd4b4b8f6a0819a4b7e628a419e7a2d2afb

84 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1566.002 Spearphishing Attachment

The file is identified as a malicious PDF by ClamAV with the signature Pdf.Exploit.Agent-36962. Static analysis revealed PDF-specific heuristics indicating the presence of an embedded file and an AcroForm button with an action trigger, suggesting an exploit is present. The embedded URL, while not directly malicious in reputation, is part of the exploit's structure. The embedded files are likely the exploit code or a secondary payload.

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 0x27AD	85 bytes
`embedded_file_obj0042.bin` `dda0835df994b8be920f715db36452f6cee7bb42bbc9c897f878a7b298ba8e91`	pdf-embedded-file	PDF EmbeddedFile object 42 at offset 0x285F	1029 bytes
`embedded_file_obj0043.bin` `ca2bacb751843d9af8db80af38fd7755052acc2dcc98e1f009f167d1d0743782`	pdf-embedded-file	PDF EmbeddedFile object 43 at offset 0x2A78	1867 bytes
`embedded_file_obj0044.bin` `3dd68f00f4fcb366a2a3a17c65cb2626eeddf5ea5713302d374310561d810169`	pdf-embedded-file	PDF EmbeddedFile object 44 at offset 0x2ED2	144 bytes
`embedded_file_obj0045.bin` `10c03f88a5f0a0833dc5b2c8ac295b3a3c6f65e23889eb8cc1dc6fe29bf7f275`	pdf-embedded-file	PDF EmbeddedFile object 45 at offset 0x2F7E	77 bytes

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