Malicious PDF — malware analysis report

Static analysis result for SHA-256 51b011d8b12651b1…

MALICIOUS

PDF

2.5 KB
MD5: abf8a6ff83ebcad7d90366e3e280df1c SHA-1: 656cc0df504c143b6fccd626be4e040a94755249 SHA-256: 51b011d8b12651b186d91f036335e18fa2fa17ff3841bbcc2b68c204fa869e2b
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 vulnerability allows for the execution of arbitrary code, likely to download and run a second-stage payload. The embedded artifact 'stream_000_off00000051.bin' is the payload associated with this exploit.

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
stream_000_off00000051.bin
2e12bdecd35ee240c9dad8a50682c75730a5223f929d731191aae2843cb88cba
decompressed-pdf-stream PDF FlateDecoded stream at offset 0x51 13430 bytes
Detection
ClamAV: No threats found
Obfuscation or payload: likely
Carved artifact contains 1 long base64-like blob(s).