When you open this file in Adobe ® Illustrator ® (regardless of, if you have the PDF Import plugin or not), you will receive a warning from Adobe ® Illustrator ® that certain PDF objects have been reinterpreted, due to missing fonts.
Normalized PDF files, written by Automation Engine for example, always include fonts as Embedded Subset.
Why am I unable to open a PDF/ Normalized PDF with Embedded Subset fonts in the file in Adobe ® Illustrator ® and correctly view/ edit the file? Answer