Malicious PDF — malware analysis report

Static analysis result for SHA-256 d7a0f7bb2366ec22…

MALICIOUS

PDF

2.6 KB
MD5: 98ecc133b1a70408d0f9fcc4743b8120 SHA-1: 7cb45f983896ccb08cd34671795ebc4e6f18f4fb SHA-256: d7a0f7bb2366ec2288db469bf33bc18123b7c8f3acbdad5c6375d595d8f556f4
138 Risk Score

Malware Insights

MITRE ATT&CK
T1559.001 Component Object Model Hijacking

The PDF file contains an embedded object that triggers the CVE-2010-0188 exploit, targeting a vulnerability in Adobe Reader's handling of XFA forms and TIFF images. 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 an embedded file. The document body itself is not human-readable and appears to be malformed or encrypted.

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
37e636edb5b3a46dbb6e62abc09b476872b3574f4080eeb4b98d7f7449ed3365
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).