Malicious PDF — malware analysis report

Static analysis result for SHA-256 a9df35c64ec9fdbc…

MALICIOUS

PDF

2.6 KB
MD5: 517e74d09fba08f34bc45b45057a4b80 SHA-1: c67b3dd4208c4ecebd5ac9f0797a6420db8d9686 SHA-256: a9df35c64ec9fdbc776416f90e7601e6686d0957cd0bd74bde8ca8d512dee5c1
138 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution

The PDF file contains an embedded object that triggers the CVE-2010-0188 exploit in Adobe Reader. This exploit is known to be used for delivering secondary payloads. The ClamAV detection 'Pdf.Exploit.Dropped-90' further confirms the malicious nature of the file.

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
0457e998701fa4aa1c3229491fa0499a4ee49b87ba63cd9fe594871c2417f56d
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).