Malicious PDF — malware analysis report

Static analysis result for SHA-256 c61aee46568a4cb4…

MALICIOUS

PDF

3.3 KB Created: 2005-09-29 09:27:34 UTC Authoring application: Adobe PDF Library 8.0
MD5: 64e09f28603e60fd0ee4e7f54c051d12 SHA-1: 213b83dd7aa339c7c7bc0d1b18fc80d71e367dfa SHA-256: c61aee46568a4cb48649886a90bbd36217454820cc35236cdba87a1ac43bc14f
100 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution

The sample is a PDF file that contains embedded JavaScript and an XFA form. A critical heuristic firing indicates the presence of the CVE-2010-0188 exploit, which targets a vulnerability in Adobe Reader's handling of XFA images. This exploit is designed to allow arbitrary code execution.

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
1a1667300289d682be7642a53e09a7130d7f7299266f4d2eae40fed043b7381e		 pdf-embedded-file PDF EmbeddedFile object 4 at offset 0x1C6 35879 bytes

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