Strange font AA102+ArialBold causing issue

Is this font correct: AA102+ArialBold (embedded subset).

We have file containing theses kinds of fonts, and it cause issues in our internal system. Due to the "+" sign.

I can't join the file itself since it contains our client personal data. So here's a screen-shot.

I don't find any documentation about font naming convention or characters to avoid in font name.

I'd like to know if this font is correct or not. And if this is a usual thing to find theses kind of fonts naming.

Tank you.