Malicious PDF — malware analysis report

Static analysis result for SHA-256 d2500eb1089f2260…

MALICIOUS

PDF

2.6 KB
MD5: 8bc875f1b6197dbb92fcdaaeb3b950fb SHA-1: 6583308a6b1d65b887d01141245419e46dd9e828 SHA-256: d2500eb1089f22602fe5c785a87941d1ab8e1f3d00deb7f820f8646d11f58f47
138 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File T1566.001 Spearphishing Attachment

The PDF file contains an embedded XFA form with a payload that exploits CVE-2010-0188 in Adobe Reader. This vulnerability allows for arbitrary code execution, leading to the download and execution of a secondary malicious payload. The ClamAV detection further confirms the malicious nature of the file.

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
804252f12f0c36c53b7c9a3490fffeb2b2aa2a3215889793d720ce82e72e8438
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).