Hey there!
I got the ebony standard as well. It's not really hard to keep clean, you'll need a decent cleaning cloth, but that's about it.
If you really wanna make it shine though, you'll need a polish.
They are hard to keep clean yes, it is true that everything shows, just press your finger on the finish when you get it and you'll see

The word ebony applies to the finish, the guitar has a plain maple top.
And yes they are heavy, mine is over 4kg, that should be around 9lbs unless I am mistaken.
Congrats on the guitar, you'll love it! I know I do