Malicious PDF — malware analysis report

Static analysis result for SHA-256 2669bbe40fe2a1b4…

MALICIOUS

PDF

14.4 KB
MD5: c19263e49f1ae7666233787ca5b224de SHA-1: bdf868f107726e1b7501ff8b6d4c2063f2aea3f5 SHA-256: 2669bbe40fe2a1b47c063ef8da163d6232a0e291b79078ea38a1a650e2b0b8ca
114 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File T1059.001 PowerShell

The critical ClamAV detection and ML classifier firing indicate this PDF is malicious. The presence of embedded files and an embedded URL suggests it is designed to deliver a secondary payload. The specific ClamAV detection name 'Pdf.Exploit.Agent-36962' points to a known exploit targeting PDF vulnerabilities.

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.

FilenameKindSourceSize
embedded_file_obj0041.bin
c06dcd026a7ea0536b63e07ce688691b585339a3ab7ff59065e546b56308c7bb		 pdf-embedded-file PDF EmbeddedFile object 41 at offset 0x2BEB 85 bytes
embedded_file_obj0042.bin
dda0835df994b8be920f715db36452f6cee7bb42bbc9c897f878a7b298ba8e91		 pdf-embedded-file PDF EmbeddedFile object 42 at offset 0x2C9D 1029 bytes
embedded_file_obj0043.bin
d49af98c55d3e65ec6464293af9aef7bbc76755592910bbd64ac795aa56b5c78		 pdf-embedded-file PDF EmbeddedFile object 43 at offset 0x2EB6 1798 bytes
embedded_file_obj0044.bin
3dd68f00f4fcb366a2a3a17c65cb2626eeddf5ea5713302d374310561d810169		 pdf-embedded-file PDF EmbeddedFile object 44 at offset 0x3302 144 bytes
embedded_file_obj0045.bin
10c03f88a5f0a0833dc5b2c8ac295b3a3c6f65e23889eb8cc1dc6fe29bf7f275		 pdf-embedded-file PDF EmbeddedFile object 45 at offset 0x33AE 77 bytes

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