Malicious PDF — malware analysis report

Static analysis result for SHA-256 4504411daa6571bc…

MALICIOUS

PDF

78.2 KB
MD5: 35d3d399b534035e0a8f5b36082c254b SHA-1: fd231b3976cfe8549cf5599f49fd1befe13c8864 SHA-256: 4504411daa6571bc155e4522fb2b4c8edee18a3d75ba56b9d718679621b5b8f1
78 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution

The PDF file contains an embedded XFA form that exploits CVE-2010-0188 in Adobe Reader. This exploit is designed to execute arbitrary code, likely leading to the download and execution of a secondary payload. The embedded file 'embedded_file_obj0001.bin' is also suspicious and likely contains the malicious payload.

Heuristics 4

  • 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.
  • 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
  • Suspicious extracted artifact info EXTRACTED_FILE_STATIC_TRIAGE
    One or more files extracted from inside this sample matched static suspicious-content checks such as script obfuscation, encoded payload blobs, packed data, or execution/download terms.

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
embedded_file_obj0001.bin
4efe23e57d6d1e886ed92b9d55a6ce9ba55234977f9c343098465d6f9ba16763
pdf-embedded-file PDF EmbeddedFile object 1 at offset 0x51 13430 bytes
Detection
ClamAV: No threats found
Obfuscation or payload: likely
Carved artifact contains 1 long base64-like blob(s).