Malicious PDF — malware analysis report

Static analysis result for SHA-256 4347a67df0ad7eeb…

MALICIOUS

PDF

3.3 KB Created: 2005-09-29 09:27:34 UTC Authoring application: Adobe PDF Library 8.0
MD5: a663c8c9227afb7c276bcd49cb1ba951 SHA-1: 6d5b5956274ba212a9b2ef2998a539b3cdf44c48 SHA-256: 4347a67df0ad7eeb17fb532c551f2a76b5fc238cef20668fa7a831836dd0297b
100 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution

The PDF file contains embedded JavaScript and an embedded file, indicating malicious intent. A critical heuristic firing identified the CVE-2010-0188 exploit targeting Adobe Reader's LibTIFF component within an XFA image. This exploit allows for arbitrary code execution, which is likely used to download and execute a secondary payload. The presence of JavaScript actions and embedded files further supports this attack pattern.

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
622c93f8e0ac90b559ee345697b863259725754b0be97a16f1a9bb5abbea2d88
pdf-embedded-file PDF EmbeddedFile object 4 at offset 0x1C6 35879 bytes