I created an interactive
It appears to be possible but would require scripting.
- Open up the Content Panel via Tools > Content Panel
- Using the 'Add a button' tool draw a button to the size the image field needs to be
- Double click the button to enter into the button's properties
- Go to the Actions tab
- Click Add
- Go to the Options tab
- Under Layout choose 'Icon Only'
- Investigate any other options you need then..
Test using the Selection Tool (black arrow tool). Note that when browsing for the image you are not restructed to PDF's as you can change the file type in the lower right to say JPEG or PNG etc.