Malicious PDF — malware analysis report

Static analysis result for SHA-256 bb928f08fabb3a9a…

MALICIOUS

PDF

3.4 KB Created: 2005-09-29 09:27:34 UTC Authoring application: Adobe PDF Library 8.0
MD5: 51a01aebfeba9f0eea6659ec3c8544a7 SHA-1: b1620c86f29fbcb52da3026c47f7338c0fe4da17 SHA-256: bb928f08fabb3a9af711601a6e6e8b08cb86877ea9a662fc7b5f1b4d2a73d41e
100 Risk Score

Malware Insights

MITRE ATT&CK
T1204 Malicious File T1204.002 Malicious File: User Execution

The PDF file contains embedded JavaScript and an embedded file, indicating a malicious intent. A critical heuristic firing identified the CVE-2010-0188 exploit, which targets Adobe Reader's LibTIFF component via an XFA form. This suggests the document is designed to exploit this vulnerability upon opening, likely leading to the execution of a secondary payload from the embedded file.

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
04f782b4c6f0e0e77940f03ecb078ad3669645ff9852696a7bdc3184eca83318
pdf-embedded-file PDF EmbeddedFile object 4 at offset 0x1C6 35879 bytes