Malicious PDF — malware analysis report

Static analysis result for SHA-256 89e3ad0134c64271…

MALICIOUS

PDF

3.4 KB Created: 2005-09-29 09:27:34 UTC Authoring application: Adobe PDF Library 8.0
MD5: d447ed41ee8449d20f6d083a9a9c9ad9 SHA-1: 90fe0b46a1a0fc02514d868a3e779f73cca69e84 SHA-256: 89e3ad0134c642711c7c62b6855338b198e758ec00f9de8d5b95050bee627450
100 Risk Score

Malware Insights

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

The PDF file contains JavaScript and is exploited by CVE-2010-0188, a vulnerability in Adobe Reader's handling of XFA forms. This indicates an attempt to execute arbitrary code upon opening the document. The embedded file suggests a secondary payload delivery mechanism.

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
78fcadf9bf877d3226f8344bb7df5be1ace48c33d87507fe872fd092ab29e7fe		 pdf-embedded-file PDF EmbeddedFile object 4 at offset 0x1C6 35879 bytes

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