Lines Appearing In Paste Special Excel Tables PDF Plots

I apologize ahead of time if this problem has already been solved. Any links to solutions, or material already posted on this forum is appreciated.

I'm having a problem with "phantom" lines appearing in PDF plots.

The Situation:

The firm I work for often uses Excel tables in Autocad LT 2013.

I have learned through experience its better to use a linked table, but in this situation only paste special is an option due to time constraints.

Basically when we try to plot a DWG with tables specially pasted in the drawing space phantom lines appear.

But only when we try to convert to PDF. In the plot preview everything is fine, but when the PDF is created vertical lines appear in the tables on the actual PDF.

I've tried many different options to fix this but so far the only thing that has worked is, converting the DWG to a DWF and opening in Design Review. From there I plot to PDF and everything is fine, no lines appear.

In the DWG I have tried tweaking the Plot Quality for the "pasted" tables to no avail.

If anyone has a solution for this I would greatly appreciate it.

Attached is a PDF of the DWG with the issue.

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Clik here to view.

Image may be NSFW.
Clik here to view.