Malicious PDF — malware analysis report

Static analysis result for SHA-256 cf0ff0b4512b7e90…

MALICIOUS

PDF

3.4 KB Created: 2005-09-29 09:27:34 UTC Authoring application: Adobe PDF Library 8.0
MD5: da7290568153ca7480223550e51c1d2c SHA-1: 0563fbe8f53e85e91fe98383b960098779237be2 SHA-256: cf0ff0b4512b7e90b4eb148f626f5cfcb9d3905d216632c81fda609c92a868e7
100 Risk Score

Malware Insights

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

The sample is a PDF document that exploits CVE-2010-0188, a vulnerability in Adobe Reader's LibTIFF component when processing XFA forms. This exploit allows for arbitrary code execution. The PDF contains embedded JavaScript and an embedded file, suggesting a multi-stage attack. The primary attack vector is the exploitation of the Adobe Reader vulnerability.

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
0a4fdb234f5d3d06a8760e0fa366518511089aeaa07332f2e11d0f38216f5d98
pdf-embedded-file PDF EmbeddedFile object 4 at offset 0x1C6 35879 bytes