Malicious PDF — malware analysis report

Static analysis result for SHA-256 9ee03ed34a412fb4…

MALICIOUS

PDF

3.4 KB Created: 2005-09-29 09:27:34 UTC Authoring application: Adobe PDF Library 8.0
MD5: b0d4fab0c5ea9f18a0424609395f252b SHA-1: 18aa14c224ae0434c1e66fb469b8e5ab9ecb9ed5 SHA-256: 9ee03ed34a412fb46b0dc9467ab7ac89e50ca69f2e723b6b39acd0eab14a9128
100 Risk Score

Malware Insights

MITRE ATT&CK
T1204 Malicious Link T1204.002 Malicious File

The PDF file contains embedded JavaScript and an embedded file, indicating a malicious intent. The critical heuristic firing for CVE-2010-0188 strongly suggests exploitation of a known vulnerability in Adobe Reader via an XFA image payload. The embedded file is likely the second-stage payload. The document body is not user-readable text, but rather internal PDF structure information.

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
ccd9f7f64fad1eda20c4d48aec0db58d4d6b595aa229975401f3d818a47a2bef		 pdf-embedded-file PDF EmbeddedFile object 4 at offset 0x1C6 35879 bytes

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