When printing some PDF documents, okular inserts strange symbols between most words (looks like a swirl). The same happens when I print to a PDF file.

Example file: https://drive.google.com/file/d/0BzfX8hcM1xYkcTB1WGQ1UUxhWUE/view?usp=sharing
Result: https://drive.google.com/file/d/0BzfX8hcM1xYkRFVpNGtjeldiTEU/view?usp=sharing

Reproducible: Always

Steps to Reproduce:
1. Open PDF file (e.g., the example file linked above).
2. Go to File -> Print...
3. Select "Print to file (PDF)"
4. Click on "Print"

Actual Results:  
Printout/PDF is garbled.

Expected Results:  
It should not be garbled.