Malicious PDF — malware analysis report

Static analysis result for SHA-256 8f028c5f33a3a758…

MALICIOUS

PDF

2.6 KB
MD5: 79637d47fa4c6e9e0aecd7838e8067af SHA-1: 14ebf68dd26459bf517f24b549f85e0e00e449f9 SHA-256: 8f028c5f33a3a758aea313029fd2101d1491ca4e25bc3bf6805dcba35f84aabb
138 Risk Score

Malware Insights

MITRE ATT&CK
T1204 Malicious File T1204.002 Malicious File: User Execution: Malicious Attachment

The PDF file contains an embedded object and triggers the CVE-2010-0188 exploit, indicating it is designed to leverage a vulnerability in Adobe Reader. The ClamAV detection 'Pdf.Exploit.Dropped-90' further confirms its malicious nature. The embedded file, named 'embedded_file_obj0001.bin', is likely the delivered payload.

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
b364d32ad51452ed3fd9e6e650e2b1cc692fdc2ae097246f457ce4d7175c0e5b
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).