If you have the default macro setting in office, you would see the following message if you opened the file:
By enabling content (running the macro), your system would become seriously infected.
Here’s the checklist for avoiding these dangerous files:
- Don’t immediately open attachments that you aren’t expecting. Make sure first that they are from a legitimate source.
- IF the file asks to enable macros, be sure to verify the file with the sender before doing so.
- NEVER configure Office to allow all macros to automatically run.