1
general::
Phrase(s): read something into something
Fig. to attach or attribute a new or different meaning to something; to presume inferences as one reads something. • This statement means exactly what it says. Don’t try to read anything else into it.
McGrawhill's American Idioms And Phrasal Verbs
2
general::
Find an additional hidden or unintended meaning in something that is said or written, as in What I read into that speech on foreign policy is that the Vice President plans to run for President. [Late 1800s]
American Heritage Idioms