Example code is for an older version of Toolkit, newer code is available.
<!-- Copyright (c) 2021 ActivePDF, Inc. -->
<!-- ActivePDF Toolkit 2017 -->
<!-- Example generated 04/18/21 -->
<%
Dim strPath, strAuthor, strTitle, strSubject, _
strKeywords, strProducer, strCreator, strCreateDate, _
strModDate
strPath = Server.MapPath(".") & "\"
' Instantiate Object
Set oTK = Server.CreateObject("APToolkit.Object")
' Specify the file to retrieve information about
oTK.GetPDFInfo strPath & "PDF.pdf"
' Retrieve various information about the PDF
strAuthor = oTK.Author
strTitle = oTK.Title
strSubject = oTK.Subject
strKeywords = oTK.Keywords
strProducer = oTK.Producer
strCreator = oTK.Creator
strCreateDate = oTK.CreateDate
strModDate = oTK.ModDate
' Close the PDF as it's no longer needed
oTK.CloseInputFile
' Release Object
Set oTK = Nothing
' Process Complete
Response.Write "Done!"
%>