Malicious PDF — malware analysis report

Static analysis result for SHA-256 9aa0ca6e9a9f0f4b…

MALICIOUS

PDF

2.6 KB
MD5: 63b66cbd0a40125f61a0405c67f70c9d SHA-1: 2c129e4d4952f8887da9a38b62763c13d0d84b04 SHA-256: 9aa0ca6e9a9f0f4b3619d76c980d78a7baa17645e779264706a6ef5bc970066d
138 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution

The PDF file contains an embedded XFA form that exploits CVE-2010-0188, a known vulnerability in Adobe Reader related to LibTIFF processing. This exploit is designed to execute arbitrary code, indicated by the 'Pdf.Exploit.Dropped-90' ClamAV detection and the presence of a suspicious embedded file. The exploit likely serves as a dropper for a secondary malicious 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
17c37836f8e54b68839f46c658397a9ee0ccb1995682632f9c8c452e7dbbebb0
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).