Malicious PDF — malware analysis report

Static analysis result for SHA-256 e820300993d406b2…

MALICIOUS

PDF

2.6 KB
MD5: 45344b13cf7e404ed1aa08cde2300790 SHA-1: 6fef76d9f1469655fbd687742f07dbe2c38e4927 SHA-256: e820300993d406b2070e32a7ef811e955379a234bdfc3a1457379b103b38ffdd
138 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution

The critical heuristic 'CVE_2010_0188' indicates that this PDF file exploits a known vulnerability in Adobe Reader related to LibTIFF XFA image handling. The embedded file and ClamAV detection further support its malicious nature. The exploit likely leads to the execution of a dropped payload, though the specifics of that payload are not detailed in the provided evidence.

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
d9471d8d5d91243ff7a1ee44d516b2ef5cfab9bb0a6738354f44ba9ba21f1386
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).