Malicious PDF — malware analysis report

Static analysis result for SHA-256 3d5202fbfc16668f…

MALICIOUS

PDF

3.3 KB Created: 2005-09-29 09:27:34 UTC Authoring application: Adobe PDF Library 8.0
MD5: c5c599cc0746260205a8b7ac7819aa2a SHA-1: 2b0e6e5da5f2ccf3efaf8e302542813ae6f65883 SHA-256: 3d5202fbfc16668faa38fc296d73374d132b97ad4c3a9d52f6e998806ff0e11f
100 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution

The PDF file contains an embedded XFA form which triggers the CVE-2010-0188 exploit. This vulnerability allows for the execution of arbitrary code, likely to download and run a second-stage payload. The embedded file and JavaScript actions further support the malicious intent.

Heuristics 6

  • Adobe Reader LibTIFF XFA image exploit — CVE-2010-0188 critical CVE likely CVE_2010_0188
    PDF contains XFA image data with an inline crafted TIFF payload and shellcode/delivery markers. This is the data-bound variant of the CVE-2010-0188 Adobe Reader LibTIFF/XFA exploit shape.
  • JavaScript action low PDF_JAVASCRIPT
    PDF contains a /JavaScript action. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
  • Embedded JS stream low PDF_JS
    PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
  • 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

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
embedded_file_obj0004.bin
799f27f60c3288fcc5cfb0d04f29c709632086782e1e474aee144690237a8544		 pdf-embedded-file PDF EmbeddedFile object 4 at offset 0x1C6 35879 bytes

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