You can find these strings in the raw .txt versions of major corporate filings:
In UUEncoding, each line typically starts with a character representing the number of data bytes on that line. "M" is ASCII 77, which corresponds to a line length of 45 bytes—the standard for many older encoding systems. M4C.7z
Sites like Disclosure Quest archive these raw text files, where the string is visible to anyone searching for specific file extensions within government data. Conclusion You can find these strings in the raw
Searching for "M4C.7z" reveals a digital artifact frequently appearing in the raw text versions of SEC Edgar filings . While it looks like a 7-Zip compressed archive, it is actually a string of often found in large financial disclosures from institutions like JPMorgan Chase . The Mystery of M4C.7z Conclusion Searching for "M4C
In the world of online forensic sleuthing, "M4C.7z" is a red herring. People often stumble upon it when viewing the "complete submission text file" of an SEC filing.
The sequence "4C.7z" is simply a coincidental result of the encoding process. It is not a real 7-Zip file, nor is it a hidden "leaked" archive. Where You’ll Find It