No. Pentacles are common symbols in tarot cards.
Pentagrams are. I have my reasons. They are powerful,
Testicles and tentacles are. Especially, if combined with each other.
It is a simple shape so in itself it is not evil. Only people who wish to cause evil use and they are evil - not the shape
are you trying to say anyone who uses it is "Evil"? Or are you saying those who use it with the sole intention of bad things are evil?
Five is God's number of grace. https://philologos.org/__eb-nis/
A pentacle (also spelled pantacle in Thelema, following Aleister Crowley) is an amulet used in magical evocation, generally made of parchment, paper or metal.
What you have there is a pentagram. And AFAIK the spirit bunch turn the point down when they use it.
Just a bundle of shapes like anything else, that only has meaning because we ascribe meaning to it.