The rise in LDL is common. The period of the rise may be a lot longer than a couple of months, perhaps even long term. The significance of that increase is a matter of conjecture
If you're concerned, I suggest that you read widely on the paleo blogs. Kresser, Masterjohn, Jaminet and Attia all have things to say. You might also consider getting LDL-P measured (see Attia in particular)
Four years Primal with influences from Jaminet & Shanahan and a focus on being anti-inflammatory. Using Primal to treat CVD and prevent stents from blocking free of drugs.
Eat creatures nose-to-tail (animal, fowl, fish, crustacea, molluscs), a large variety of vegetables (raw, cooked and fermented, including safe starches), dairy (cheese & yoghurt), occasional fruit, cocoa, turmeric & red wine