Malicious PDF — malware analysis report

Static analysis result for SHA-256 2ed4484ef13702a7…

MALICIOUS

PDF

3.3 KB Created: 2005-09-29 09:27:34 UTC Authoring application: Adobe PDF Library 8.0
MD5: 6e6eff18a8f728e63d09d6a027d8ce5b SHA-1: 20f1dcd749d27ac8dc1842742778efe53ccd99d1 SHA-256: 2ed4484ef13702a70e5ff90f06acf9507f87c22c3777d17edceeaee90da9b698
160 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing for CVE-2010-0188, indicating it exploits a vulnerability in Adobe Reader's LibTIFF component via an XFA image. This exploit is designed to execute arbitrary code. An embedded JavaScript stream and an embedded file further support the malicious nature of this document, likely serving as a dropper for additional malware.

Heuristics 7

  • 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.
  • ClamAV: Pdf.Exploit.Agent-36078 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-36078
  • 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
49d83527b9217802f4858a985202c48f4c9a49d24fee8886813f1c44c55f02d5
pdf-embedded-file PDF EmbeddedFile object 4 at offset 0x1C6 35879 bytes