Malicious PDF — malware analysis report

Static analysis result for SHA-256 56bb1f936c48accc…

MALICIOUS

PDF

2.6 KB
MD5: e25b925b7bc4c5ed247de2226b5e1175 SHA-1: e7ee6e73098af422fd01e1dacbc023f8baa4c658 SHA-256: 56bb1f936c48accc94ca239414ee6fdf5aba8a70057c7c0474fce53f3ff097b9
140 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File T1027 Obfuscated Files or Information

The PDF file contains an embedded XFA form with a critical heuristic firing for CVE-2010-0188, indicating an exploit targeting Adobe Reader. The embedded file, likely the payload, was also flagged as suspicious. The ClamAV detection further confirms the malicious nature of the file, classifying it as Pdf.Exploit.Dropped-90.

Heuristics 5

  • 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.Dropped-90 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Dropped-90
  • 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
873c6ba6f63667230f6f72076c71efeefd9805be964dff4c638df9642ade5772
pdf-embedded-file PDF EmbeddedFile object 1 at offset 0x5D 13415 bytes
Detection
ClamAV: No threats found
Obfuscation or payload: likely
Carved artifact contains 1 long base64-like blob(s).