Spotting ?? Never had this before

So I’m not exactly sure what’s happening here.

My periods are always spot on. When I start, I start. It’s normally very dark. I am 4 Days Late and I have some pink spotting today. It started around noon, put a pad on and what ended up on the pad was some brown dried blood. its gone now

I’ve taken a test - I’ve put the picture in this post. I am not taking another until I’m 10 days late.

Even though the test shows a daily line and I’m 4 days late with spotting, could it be that I’m pregnant? Anyone else had a similar story ?