Malicious PDF — malware analysis report

Static analysis result for SHA-256 edc9589d1f614080…

MALICIOUS

PDF

14.3 KB
MD5: 9271797ffbe3f8ca61681c671cafd3f1 SHA-1: 0df72598611a9bef49ffd3b85ae2bda224d76107 SHA-256: edc9589d1f6140800841fa40b5e9244c1ecbfde657e6a7c8836fa2e4e2f4cb74
84 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious File

The PDF contains embedded files and an XFA form with an action trigger, indicating it's designed to exploit vulnerabilities. ClamAV detection confirms its malicious nature as Pdf.Exploit.Agent-36962. The embedded URL is likely part of the exploit chain.

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 0x2BA2 85 bytes
embedded_file_obj0042.bin
dda0835df994b8be920f715db36452f6cee7bb42bbc9c897f878a7b298ba8e91		 pdf-embedded-file PDF EmbeddedFile object 42 at offset 0x2C54 1029 bytes
embedded_file_obj0043.bin
faa63921e590ea6bc90ca48253be80b8e3600b93abfeb0f6b1a36c7ef4849973		 pdf-embedded-file PDF EmbeddedFile object 43 at offset 0x2E6D 1796 bytes
embedded_file_obj0044.bin
3dd68f00f4fcb366a2a3a17c65cb2626eeddf5ea5713302d374310561d810169		 pdf-embedded-file PDF EmbeddedFile object 44 at offset 0x32B8 144 bytes
embedded_file_obj0045.bin
10c03f88a5f0a0833dc5b2c8ac295b3a3c6f65e23889eb8cc1dc6fe29bf7f275		 pdf-embedded-file PDF EmbeddedFile object 45 at offset 0x3364 77 bytes

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