Malicious PDF — malware analysis report

Static analysis result for SHA-256 956bbc9f899a502b…

MALICIOUS

PDF

2.6 KB
MD5: 75425f318ff72e005e3a864ccb98c2e0 SHA-1: 99c721cb6ee10b5a4a3563b5e6e1a10cc8472f7d SHA-256: 956bbc9f899a502bd90f9b4d69542dd97f40aca0f69cf9490a9b0ea3fef07bda
138 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File T1559.001 Component Object Model Hijacking

The PDF file contains an embedded XFA form that exploits CVE-2010-0188 in Adobe Reader. This exploit is designed to download and execute a secondary payload, as indicated by the 'Pdf.Exploit.Dropped-90' ClamAV detection and the presence of a suspicious embedded binary file. The exploit targets a known vulnerability in the handling of TIFF images within XFA forms.

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
109e46b0e2a50f72cc5a3d951803348729c29b1143dae02109c8cf408c54261a
pdf-embedded-file PDF EmbeddedFile object 1 at offset 0x5D 13473 bytes
Detection
ClamAV: No threats found
Obfuscation or payload: likely
Carved artifact contains 1 long base64-like blob(s).