Many digital libraries or internal document management systems (like those used in government or corporate archives) assign randomized or coded strings as filenames during bulk exports or data collection .
Open the EPUB in a reader (like Calibre) to see the "Title" and "Author" fields, which often differ from the filename. EADC-XG.epub
In cybersecurity, unusual file names can sometimes be associated with obfuscated artifacts or samples analyzed in malware repositories. EADC-XG.epub
If you have this file and are trying to determine its content: EADC-XG.epub
Can you share the or the Table of Contents ?
Is it related to a (e.g., medicine, history, cybersecurity)?