Malicious PDF — malware analysis report

Static analysis result for SHA-256 4e5bce9bf52d2550…

MALICIOUS

PDF

2.6 KB
MD5: 015e5e6a0f21d5aec1baba106ef91872 SHA-1: 96d3b637076323c25d59c7574daa93100c728eb8 SHA-256: 4e5bce9bf52d255088c1dd11600b11e4f4b2947957821c80610ba4ad5ac5fa7b
138 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution T1027 Obfuscated Files or Information

The PDF file contains an embedded TIFF image that exploits CVE-2010-0188 in Adobe Reader. This exploit is designed to execute arbitrary code, and the embedded artifact 'embedded_file_obj0001.bin' is likely the second-stage payload. The XFA form and embedded file heuristics further support the malicious nature of this document.

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
624d2e83aabcbc35bfd8cdf31668642c07e38b58668bbd8b6386925bbd4476ec
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).