In digital archives, optical character recognition (OCR) sometimes misinterprets background patterns or margins as text strings like "aaa rar," leading to these terms appearing in search results for scanned 19th-century newspapers .
The archive may contain an executable file disguised as a document. aaa.rar
If you encounter an "aaa.rar" file in an email attachment or a downloads folder that you didn't create, Key Risks: In digital archives