Malicious PDF — malware analysis report

Static analysis result for SHA-256 9a24caa6f6979418…

MALICIOUS

PDF

3.4 KB Created: 2005-09-29 09:27:34 UTC Authoring application: Adobe PDF Library 8.0
MD5: 826dcb5ce24432ab195d5745f511c98c SHA-1: 5ec35b2e4d42656aa72fdcdb432215cfba47e0d4 SHA-256: 9a24caa6f69794189cb3c9ae8385457f105a36d98f579bb515a05f312a66cde0
100 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution

The PDF file contains embedded JavaScript and an XFA form, which are commonly used to deliver exploits. The critical heuristic firing for CVE-2010-0188 indicates that this file specifically targets a known vulnerability in Adobe Reader's handling of XFA images. This exploit allows for arbitrary code execution on the victim's machine.

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
bcfbb55e628e422c24f3a5229597c6165faaa872260dc550fa699bd949b48375		 pdf-embedded-file PDF EmbeddedFile object 4 at offset 0x1C6 35879 bytes

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