PDF malware analysis — malicious · df0373e06d6d478f

MALICIOUS

PDF

14.7 KB

MD5: da96207eeeca9d78393e9a1ce664fc45 SHA-1: 2c617e306ec38ab56aff8bba5e549f61faea00a5 SHA-256: df0373e06d6d478f3993f93af6a1d9fdc433f25488094b8beb73f9a8bfae746f

114 Risk Score

Malware Insights

MITRE ATT&CK

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

The critical ClamAV detection and ML classifier strongly indicate malicious intent. The PDF_EMBEDDED and PDF_ACROFORM_BUTTON heuristics suggest the file is designed to trigger an exploit, likely by embedding malicious content or an action button. The presence of an embedded URL, though seemingly benign, is often used in conjunction with exploit PDFs for second-stage downloads. The ML_NYX_PDF_MALICIOUS score of 0.999990 further solidifies the malicious classification.

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 0x2D22	85 bytes
`embedded_file_obj0042.bin` `dda0835df994b8be920f715db36452f6cee7bb42bbc9c897f878a7b298ba8e91`	pdf-embedded-file	PDF EmbeddedFile object 42 at offset 0x2DD4	1029 bytes
`embedded_file_obj0043.bin` `f44bf07a5e766e1ab751c881e0c803396c26566487c8d16ae18e3f70aa11a14f`	pdf-embedded-file	PDF EmbeddedFile object 43 at offset 0x2FED	1931 bytes
`embedded_file_obj0044.bin` `3dd68f00f4fcb366a2a3a17c65cb2626eeddf5ea5713302d374310561d810169`	pdf-embedded-file	PDF EmbeddedFile object 44 at offset 0x3467	144 bytes
`embedded_file_obj0045.bin` `10c03f88a5f0a0833dc5b2c8ac295b3a3c6f65e23889eb8cc1dc6fe29bf7f275`	pdf-embedded-file	PDF EmbeddedFile object 45 at offset 0x3513	77 bytes

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