Malicious PDF — malware analysis report

Static analysis result for SHA-256 25bd4607652d8e20…

MALICIOUS

PDF

2.4 KB
MD5: 5aedb4586444556993379d3e443f9dc8 SHA-1: c024b72d71a5778c942534575c100afe6a465e53 SHA-256: 25bd4607652d8e20f3ec3d39a8ce20435c3458cd67e73d487c07fd56a8c14ab5
78 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution

The PDF file contains an embedded XFA form that triggers the CVE-2010-0188 exploit. This exploit targets a vulnerability in Adobe Reader's handling of TIFF images within XFA forms, leading to the execution of a malicious payload. The embedded file 'embedded_file_obj0001.bin' is likely the delivered payload.

Heuristics 4

  • 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.
  • 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
fd83ec7131f8d0f0ac2cc8ec6feb23dacc0f48c9dc77f981b49faf685e4d1bcc
pdf-embedded-file PDF EmbeddedFile object 1 at offset 0x51 13430 bytes
Detection
ClamAV: No threats found
Obfuscation or payload: likely
Carved artifact contains 1 long base64-like blob(s).