No, this is not a run-on sentence
Answer:
Extraneous Detail
Explanation:
Extraneous which is essenitially the same as not essential or relevant .
All the extraneous details in writing doesn't pass across any meaning or add to the purpose of the writing.
Maybe add some sounds and general stupidity of the character like; He heard an eery noise come from the cabin but was too tired to think anything of it and continued towards the cabin.
