The phrase "negative inference" refers to assuming or thinking that something bad or unfavorable is true, based on incomplete or limited information. Full definition
I agree that we should be careful about drawing negative inferences from ambiguous or irrelevant data. (thelizlibrary.org)
Failing to properly protect or select electronic evidence can lead to negative inferences in court or even rule it inadmissible. (newlawjournal.co.uk)
What you put on your resume may inadvertently cost you a job because employers may make negative inferences about some of the information that does not need to be on there. (exclusive-executive-resumes.com)