PDF malware analysis — malicious · 8e903dd528eae612

MALICIOUS

PDF

14.4 KB

MD5: c029c39bc2cfb87be1854013cbbf112d SHA-1: 36c7f9e57da2ebbc44fd0c49ce9c8967ee0c1bb3 SHA-256: 8e903dd528eae612b72cfc4a969c9cdf8dc7ebbc4bc673dbcbb4ed981864f018

114 Risk Score

Malware Insights

MITRE ATT&CK

T1204 Malicious Link T1204.002 Malicious Link: Malicious File

The ML classifier and ClamAV detection strongly indicate this PDF is malicious, specifically flagging it as an exploit. The presence of an embedded file and an embedded URL further supports the attack pattern of delivering a malicious payload. The embedded URL, while seemingly benign, is likely part of the exploit chain.

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 0x2C1A	85 bytes
`embedded_file_obj0042.bin` `dda0835df994b8be920f715db36452f6cee7bb42bbc9c897f878a7b298ba8e91`	pdf-embedded-file	PDF EmbeddedFile object 42 at offset 0x2CCC	1029 bytes
`embedded_file_obj0043.bin` `6f03c72de447e14766f0014f62267fed96f7ac22c54c485ead75824526a05793`	pdf-embedded-file	PDF EmbeddedFile object 43 at offset 0x2EE5	1837 bytes
`embedded_file_obj0044.bin` `3dd68f00f4fcb366a2a3a17c65cb2626eeddf5ea5713302d374310561d810169`	pdf-embedded-file	PDF EmbeddedFile object 44 at offset 0x3339	144 bytes
`embedded_file_obj0045.bin` `10c03f88a5f0a0833dc5b2c8ac295b3a3c6f65e23889eb8cc1dc6fe29bf7f275`	pdf-embedded-file	PDF EmbeddedFile object 45 at offset 0x33E5	77 bytes

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