Malicious PDF — malware analysis report

Static analysis result for SHA-256 cda75d390b03a1b0…

MALICIOUS

PDF

3.4 KB Created: 2005-09-29 09:27:34 UTC Authoring application: Adobe PDF Library 8.0
MD5: 0aa0fe3d68840f1498d95218b81e84ab SHA-1: cfed0094ed67057b29ab7ca0845a50471df5802d SHA-256: cda75d390b03a1b01fa07eb8bac37bfa17a72865ff3eb5f2274c8f66bfd3c8b8
100 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution T1566.001 Spearphishing Attachment

The PDF file contains embedded JavaScript and is flagged for exploiting CVE-2010-0188, a vulnerability in Adobe Reader's LibTIFF component related to XFA forms. This indicates the file is designed to deliver a malicious payload upon opening. The embedded file artifact further supports the malicious intent.

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
258a4293146e8ab957773374de83baf474699666e8827703586f97eeb537a23d		 pdf-embedded-file PDF EmbeddedFile object 4 at offset 0x1C6 35879 bytes

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