Malicious PDF — malware analysis report

Static analysis result for SHA-256 c509808fda91cad5…

MALICIOUS

PDF

3.3 KB Created: 2005-09-29 09:27:34 UTC Authoring application: Adobe PDF Library 8.0
MD5: 96d6f9382edbbe9d3f325f0bc3932298 SHA-1: 6d90d354b841eb2c4727f6bd31a302c4378e7aa2 SHA-256: c509808fda91cad5a22022afc0a56e76b0af1ac49cef7d238b2ec372a5489c12
100 Risk Score

Malware Insights

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

The PDF file contains embedded JavaScript and is flagged for exploiting CVE-2010-0188, a vulnerability in Adobe Reader related to XFA image processing. This indicates the file is designed to execute arbitrary code upon opening. No specific malware family was identified, but the exploit suggests a downloader or dropper functionality.

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
6fca92d94f59124f519f75575569b2f972bf88b6edd44279a30edffc955f9bf2
pdf-embedded-file PDF EmbeddedFile object 4 at offset 0x1C6 35879 bytes