Malicious PDF — malware analysis report

Static analysis result for SHA-256 bdffe14722607700…

MALICIOUS

PDF

3.3 KB Created: 2005-09-29 09:27:34 UTC Authoring application: Adobe PDF Library 8.0
MD5: 683c72c6d4198613c8473bee6662f041 SHA-1: 246947a75375b0debc33ad75d61bb8e47c8c6367 SHA-256: bdffe14722607700dcc1935eb51dfe9fb383cb655b3d1dec020db9bf27762374
100 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution T1059.001 PowerShell

The PDF file exploits CVE-2010-0188, a vulnerability in Adobe Reader related to XFA forms and embedded TIFF images. This exploit allows for arbitrary code execution on the victim's machine. The embedded JavaScript and XFA form structure are indicative of a malicious payload delivery mechanism. The file is identified as malicious with a high risk score.

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
ef434bab3f33fe5bba9ca001142ee3009a94c21f10a7efdf19e124276c6ba100		 pdf-embedded-file PDF EmbeddedFile object 4 at offset 0x1C6 35879 bytes

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