Malicious PDF — malware analysis report

Static analysis result for SHA-256 fa31eeb1b3d9becd…

MALICIOUS

PDF

3.4 KB Created: 2005-09-29 09:27:34 UTC Authoring application: Adobe PDF Library 8.0
MD5: bedd0cec0b34639ca68b3d2b1d913cda SHA-1: 5b25eb1a47a6bf7893a42025f4cd1510776bcf01 SHA-256: fa31eeb1b3d9becd81b2fd18f158bb2aac8b17716a99cc85f3694f5499671714
100 Risk Score

Malware Insights

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

The PDF file exploits CVE-2010-0188, a vulnerability in Adobe Reader's LibTIFF component, to achieve code execution. The embedded JavaScript and XFA form suggest an attempt to deliver a malicious payload. The exploit targets a known vulnerability in older versions of Adobe Reader, indicating a likely attempt to compromise the user's system for further malicious activity.

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
03fac48f054e58c631cd55c8c749e6107cf23430d56c26e636caa0bb1c4ba451
pdf-embedded-file PDF EmbeddedFile object 4 at offset 0x1C6 35879 bytes