Malicious PDF — malware analysis report

Static analysis result for SHA-256 7bc7ba548a3a3f0a…

MALICIOUS

PDF

3.4 KB Created: 2005-09-29 09:27:34 UTC Authoring application: Adobe PDF Library 8.0
MD5: 72c299747fb4320296fae06b806dac4c SHA-1: a9abe6153eb8c708037ace79e03abc892bf15799 SHA-256: 7bc7ba548a3a3f0a3fb4dac78b86401c8706a8a42e8c71cb2bf76c668d160abe
160 Risk Score

Malware Insights

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

The critical heuristic firing for CVE-2010-0188 indicates the PDF exploits a known vulnerability in Adobe Reader's handling of XFA images. This exploit is designed to execute arbitrary code, likely leading to the download and execution of a second-stage payload. The presence of JavaScript actions and embedded JS streams further supports the malicious intent of the PDF.

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
4ce772fdfc031c582e03516c170cc8c281b4ff2fd7c3eb362d2816e183ebf00d
pdf-embedded-file PDF EmbeddedFile object 4 at offset 0x1C6 35879 bytes