Malicious PDF — malware analysis report

Static analysis result for SHA-256 9b36eab05399a962…

MALICIOUS

PDF

10.6 KB
MD5: 51cf382832b6e281217fc47fabfbb766 SHA-1: 24d78548b9da0e5baf40cebce55625f3ac3d8433 SHA-256: 9b36eab05399a962f1ee2b926f739d655c57a2cdfa70453abb18c560b653de4e
64 Risk Score

Malware Insights

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

The PDF file contains XFA forms with risky executable scripts, indicated by the PDF_XFA_SCRIPT heuristic. Additionally, embedded files and an embedded URL were detected. The presence of executable script within an XFA form suggests an attempt to exploit vulnerabilities or deliver a malicious payload. The specific script content was not detailed enough to reconstruct a precise action, but the overall pattern points to a malicious PDF designed to execute code.

Heuristics 5

  • XFA form contains risky executable script high CVE related PDF_XFA_SCRIPT
    PDF embeds an XFA form whose script block contains exploit, submission/launch, or shell-execution primitives. Ordinary LiveCycle print/update scripts are left as generic XFA/JS signals unless stronger behavior is present.
  • 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 0xEBB 85 bytes
embedded_file_obj0042.bin
dda0835df994b8be920f715db36452f6cee7bb42bbc9c897f878a7b298ba8e91		 pdf-embedded-file PDF EmbeddedFile object 42 at offset 0xF6D 1029 bytes
embedded_file_obj99999.bin
216de0059756248df9d54f3a1c14b3c96bb23dfcd0b34fe04559b11051736307		 pdf-embedded-file PDF EmbeddedFile object 99999 at offset 0x1189 24639 bytes
embedded_file_obj0044.bin
3dd68f00f4fcb366a2a3a17c65cb2626eeddf5ea5713302d374310561d810169		 pdf-embedded-file PDF EmbeddedFile object 44 at offset 0x2500 144 bytes
embedded_file_obj0045.bin
10c03f88a5f0a0833dc5b2c8ac295b3a3c6f65e23889eb8cc1dc6fe29bf7f275		 pdf-embedded-file PDF EmbeddedFile object 45 at offset 0x25AD 77 bytes

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