Malicious PDF — malware analysis report

Static analysis result for SHA-256 cb56a2cb5d8d84ff…

MALICIOUS

PDF

2.6 KB
MD5: b3fe329b1492e849581172e043c55126 SHA-1: 2d2cd3ef7d150c95b0d014ae55fbd4e0704e2f23 SHA-256: cb56a2cb5d8d84ff060b662e4fdc01a96e18089c77b0866d9630c695540459f9
138 Risk Score

Malware Insights

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

The PDF file contains an embedded malicious object, identified as a critical exploit targeting CVE-2010-0188 in Adobe Reader. This exploit is designed to execute arbitrary code, likely leading to the download and execution of a second-stage payload. The presence of an embedded file and the specific exploit signature strongly indicate a malicious intent.

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).