How can show pdf preview first image?

Hi guys. Hope you can help me.

I use drupal 8.

I want pdf preview like this http://prntscr.com/j08ljo.

Need uploud pdf file in node and showing just first image in front page.

I check use module pdfpreview https://www.drupal.org/project/pdfpreview

Have with tutorial and dependence. Setup ImageMagick and configured it in image toolkit.
Sent in server files with imagemagick and write path.

"Path to the package executables" ... http://prntscr.com/j08ogh

After this showing in display manage full content "pdf preview" http://prntscr.com/j08r9i

But nothing happened. I hear about "may be i need install for other way imagemagick"

Can you help me?

Thanks for your future answers.