Malicious PDF — malware analysis report

Static analysis result for SHA-256 2353aa29bb0ec66a…

MALICIOUS

PDF

2.6 KB
MD5: 7f9a91e5a28bf33ed5fd029a9ca7f49a SHA-1: 3d0c5c01d55009b6dec2e8ec7f01d0a7ed2164a4 SHA-256: 2353aa29bb0ec66a328a940471d30be7f38d08d78e27c00e5b1b6f2d19070776
138 Risk Score

Malware Insights

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

The PDF file contains an embedded object that triggers the CVE-2010-0188 exploit, as indicated by critical heuristic firings. This exploit is known to target Adobe Reader's handling of XFA forms. The embedded file, named 'embedded_file_obj0001.bin', is likely the malicious payload delivered by the exploit. 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
df0f1d3bab1dd4431b1d7beb0c97d7e9ba6320404f9422e40758d832fd53b503
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).