If you're are afraid of using your documents illegally, you must follow follow this steps:
1. Go to https://www.watermark.ws and type some words as: DO NOT RESELL ,or FOR ICO ONLY on your docs.
2. You can change one letter in your docs carefully and it will be ok.
3. Of course  learn your ICO and you will not deceived .
If ICO is scam: it's faster to delete your docs instead of bother with it.