If you are not satisfied with the search result ranking for specific
queries, we recommend that you try to influence the ranking for those
queries with query rules. In most cases, configuring query rules will
help you reach your goals, and you won't have to consider changing the
context of a managed property or creating a custom ranking model.
For each query rule, you can influence the way you sort, rank and
display search results. Each query rule consists of a query rule
condition and a query rule action. Whenever a query matches a query
rule condition, the query rule action that you specify in the query
Dynamic ordering: promote or demote search results.
You can dynamically change the ranking of search results. You can specify when
you want to change the ranking of the search results for a query, and
by how much, when a certain condition applies. The following table
shows the conditions that you can set.
In your case, you could match if the result is of the content type is a Page or Site Page. Another option would be to Match if the result URL exactly matches the specified URL, in your case the
So its definately doable.
Reference: Overview of search result ranking in SharePoint Server 2013