Malicious PDF — malware analysis report

Static analysis result for SHA-256 43c73e1fd361ca37…

MALICIOUS

PDF

2.6 KB
MD5: 9bdb63de7fed4ebb14e5d39edfd7f68c SHA-1: 4ffadb1c674a4ea740ea3994167e3a6c64a2d515 SHA-256: 43c73e1fd361ca37919c7b6f10135508bf1a4925249a8f44867db703ab2dde16
138 Risk Score

Malware Insights

MITRE ATT&CK
T1204 Malicious Link T1204.001 Malicious Link: Malicious Link T1204.002 Malicious Link: Click Fraud

The PDF file contains an embedded object and triggers a critical heuristic for CVE-2010-0188, indicating an exploit targeting Adobe Reader's LibTIFF component. The embedded file, likely the payload, was also flagged as suspicious. This suggests the document is designed to exploit this vulnerability upon opening.

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
56f57f454d2afa7ef9e80f531b3477b7a477f3b7743956502ddfaccd2fcf8530
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).