Malicious PDF — malware analysis report

Static analysis result for SHA-256 4f206b7ecd1c4f8f…

MALICIOUS

PDF

13.6 KB
MD5: f840f68462b6cf056bf511a6326ef095 SHA-1: 9d420ab79b9ffcc49adad3d4f749d3dade5d7e9e SHA-256: 4f206b7ecd1c4f8fe8f81f37cd82e91e568b5e749d9536e6e010b8a12b6cba96
114 Risk Score

Malware Insights

MITRE ATT&CK
T1204 Malicious Link T1204.002 Malicious Link: Malicious File

The critical ClamAV detection and high ML classifier score strongly indicate malicious intent. The PDF contains embedded files and an XFA form, common techniques for exploiting vulnerabilities. The embedded URL, while seemingly benign, is part of the exploit chain.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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 0x28B5 85 bytes
embedded_file_obj0042.bin
dda0835df994b8be920f715db36452f6cee7bb42bbc9c897f878a7b298ba8e91		 pdf-embedded-file PDF EmbeddedFile object 42 at offset 0x2967 1029 bytes
embedded_file_obj0043.bin
cc9bf9b4bff960fcc875cced8773f18df40c06e7a9fe9a44ed7dafd435f6cc72		 pdf-embedded-file PDF EmbeddedFile object 43 at offset 0x2B80 1866 bytes
embedded_file_obj0044.bin
3dd68f00f4fcb366a2a3a17c65cb2626eeddf5ea5713302d374310561d810169		 pdf-embedded-file PDF EmbeddedFile object 44 at offset 0x2FD8 144 bytes
embedded_file_obj0045.bin
10c03f88a5f0a0833dc5b2c8ac295b3a3c6f65e23889eb8cc1dc6fe29bf7f275		 pdf-embedded-file PDF EmbeddedFile object 45 at offset 0x3084 77 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.