I have this same file (SHA-256: AAC4AC970EC47CD95DC7C65D7D38D29C1F948BE24D5DAD1D5AA21053125367C7); it has 516,424 bytes. It is exactly the same file, since the following hashes match: 73d4281e46a68222934403627e5b4e19 (MD5) and 0f1c29cea7ea24ebb75c95114e0b0d26438e1d39 (SHA1). I found "Welcome Scan.jpg" in "D:\user\Documents\Scanned Documents\", and it has the following properties:
Date taken: 4/9/2004 8:17 AM
Dimensions: 1024 x 768
Filesize in kilobytes: 505 KB (per left part of explorer.exe) or 504 KB (per right part of explorer.exe)
Date created in other format: 2/28/2018 5:08 PM
Date modified in other format: 2/28/2018 5:08 PM
wmic DataFile WHERE (Name="D:\\user\\Documents\\Scanned Documents\\Welcome Scan.jpg") get CreationDate,EightDotThreeFileName,Extension,FileName,FileSize,FileType,LastAccessed,LastModified
--->
CreationDate: 20180228180852.260000+***
EightDotThreeFileName: d:\user\documents\scanned documents\welcome scan.jpg
Extension: jpg
FileName: welcome scan
FileSize: 516424
FileType: JPEG Image
LastAccessed: 20190119210558.000000+***
LastModified: 20180228180854.000000+***

Judging by the above data and metadata, I don't know why this is tagged as "ka". I should be tagged as "2004", "flowers", "photo", "blurry".