Malicious PDF — malware analysis report

Static analysis result for SHA-256 50a9cc991b68f890…

MALICIOUS

PDF

2.6 KB
MD5: 1417fce419d1e623b33a112f839af9ba SHA-1: f8d92a69b0fa26b0e51dd866e846cfc3aa5a86bf SHA-256: 50a9cc991b68f890e28357c5de6f945d7c0dc155a4ed353b63aacb76e248dd8b
138 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File T1027 Obfuscated Files or Information

The PDF file contains an embedded XFA form with a payload targeting CVE-2010-0188, a known vulnerability in Adobe Reader related to LibTIFF processing. This exploit is designed to execute arbitrary code, likely to download and run a second-stage payload. The embedded artifact 'embedded_file_obj0001.bin' is 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
26b74c8b3b8c5f4bbfbf45ccb074d2470ff1aee8378e632eeb73da19eb23ada5
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).