I've recently seen pdf files which have broken checkbox characters due to a missing font. I don't know what generates these pdfs, but they have what are supposed to be checkbox (checked and unchecked) characters that show up as unrelated substituted characters. Presumably this can be fixed on the production end by appropriately embedding fonts in the pdf.
If you simply want to view the file correctly in OS X, here's how to do it:
1. Obtain the "marlett.ttf" font file one of several ways:
- It's included in the "Steam" game distribution engine for OS X.
- You can extract it from the
source code distribution for WINE.
- You can find this as a hidden file on a Windows box; copy it over.
2. Search for "marlett.ttf" in spotlight or wherever you saved it, open it, then select "Install Font". This will copy the font to your ~/Library/Fonts directory.
3. If you want the font installed for all users, copy it to /Library/Fonts