Blank PDF with black background. The above photo also shows the same problem. Page 1. Blank PDF. When you open a blank PDF, it is often difficult to recognize the source and where the data is located. Below is a list of some symptoms in each PDF document. 1. Can't open. The .PDF file can only be opened by first loading the text block file into your text editor. Then, you can open it directly. 2. Can't open. The .PDF file can only be opened by loading the font block file and then opening .PNG file or .JPEG file into your PDF reader. 3. Can't open. The .PDF image has an empty layer with an empty color/background. If the layer has a bitmap background or a color background, the image becomes blank. 4. Can't open. If the embedded text in the .PDF file is missing for more than 2 characters, it is empty. 5. Can't open. The .PDF image is gray. If the .PDF file contains embedded images, the gray background layer appears on top of it. 6. Can't open. You cannot create a new document or copy existing document for formatting or conversion purposes. 7. Can't open. When you open a blank PDF, the image is not transparent. 8. Can't open. The .PDF image is black. 9. Can't open. The .PDF file's name extension is not “X”. 10. Can't open. The .PDF file's name extension is “.pdf”. 11. Can't open. The PDF file doesn't have a valid format. Page 1. Blank PDF Page 1. Blank PDF with black background. 12. Can't create new document or copy existing document for formatting or conversion 13. Can't open. This is a very important symptom that reveals the cause of the problem. 13. Can't open. You cannot create a new document or copy existing document for printing purposes. It seems that Acrobat can't find a particular document format. 15. Can't open. If Acrobat tries to create a document, it is often difficult to realize the name of the document that Acrobat wants to save. 16. Can't open.