Malicious PDF — malware analysis report

Static analysis result for SHA-256 e846df0defeba944…

MALICIOUS

PDF

2.6 KB
MD5: 3d670b3e4fd70857b381961cbacdcd50 SHA-1: ffddcfd7d0128974a52e03860bd300e13566f24e SHA-256: e846df0defeba944bf72327aed8d52ee1b8756ea7fd0e3165b335ee94d268731
138 Risk Score

Malware Insights

MITRE ATT&CK
T1204 Malicious File T1204.002 Malicious File: User Execution T1059 Command and Scripting Interpreter T1059.001 Command and Scripting Interpreter: PowerShell

The PDF file contains an embedded malicious object, identified by ClamAV as Pdf.Exploit.Dropped-90. Static analysis indicates the presence of an XFA form and an exploit targeting CVE-2010-0188 within an embedded TIFF image. This exploit likely facilitates the execution of the embedded file, which is a common technique for delivering second-stage 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
0928dd4eddad3aeb5b06c7d4bdf3d71e69596d6b7f0563569a44884ca31cde88
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).