Malicious PDF — malware analysis report

Static analysis result for SHA-256 a05c983aaabaf2e9…

MALICIOUS

PDF

2.6 KB
MD5: 4385e94ebe02f33aa27ee3c95ee9484a SHA-1: f686d23710d75638ca389abb89b07eeca2c7b781 SHA-256: a05c983aaabaf2e9329834655e7e230f07175acce73acfb75f8c28ff0d0470cf
138 Risk Score

Malware Insights

MITRE ATT&CK
T1204 Malicious Link T1204.001 Malicious Link: Malicious Link T1204.002 Malicious Link: Malicious File

The PDF file contains an embedded TIFF image that exploits the CVE-2010-0188 vulnerability in Adobe Reader's LibTIFF XFA image processing. This exploit is designed to download and execute a secondary payload. The embedded file, named 'embedded_file_obj0001.bin', is highly suspicious and likely contains the dropped malware.

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
b1f29a24173c4eeee5f1bbd496f0c7ae2dd0e7910200a9259fa66cf42d575e88
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).