Malicious PDF — malware analysis report

Heuristics 5

• Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
  Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
• Cracked-software lure uses shortlink/download gateway critical PDF_CRACKED_SOFTWARE_SHORTLINK_LURE
  PDF visible text advertises a crack, serial number, archive, or pirated-software download and pairs it with a shortlink or encoded download gateway. This is a high-confidence social-engineering carrier for unwanted software or droppers; the PDF itself is not a parser exploit.
• PDF links to a cracked-software download doorway (base64-obfuscated) high PDF_CRACKED_SOFTWARE_DOWNLOAD_DOORWAY
  PDF's embedded link hides a pirated-software title as a base64 blob inside the URL path/query (and/or carries the ``download|`` doorway-template marker), rather than in visible text. This is a TCPDF-generated SEO doorway that ranks for software-piracy searches and funnels users to fake 'crack/keygen' download pages distributing adware, potentially-unwanted programs, or droppers. The base64 encoding is deliberate obfuscation to evade plaintext lure rules; the PDF itself carries no parser exploit — the risk is the linked crack-download destination.
• External URI info PDF_URI
  PDF contains an external URL action
• Embedded URL info EMBEDDED_URL
  One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
  URL http://raisengine.com/adaptable/alkalize.ZG93bmxvYWR8ams1TjNGemNYeDhNVFkyT1RReE5qUXlPWHg4TWpVNU1IeDhLRTBwSUZkdmNtUndjbVZ6Y3lCYldFMU1VbEJESUZZeUlGQkVSbDA?forthrightness&intersperses=linguist&balers=normally&Sy1MaXRlLk1lZ2EuQ29kZWMuUGFjay4xMy4wLjAuUG9ydGFibGUuemlwIGRvd25sb2FkSy1= PDF link annotation

  • https://prendimisubito.com/wp-content/uploads/2022/11/divnin.pdfIn PDF document text
  • http://adomemorial.com/2022/11/26/office-access-2003-pro-portable-sp2-the11thmtndiv-rar/In PDF document text
  • https://www.dominionphone.com/girdac-pdf-to-word-converter-pro-8-1-2-3-better-crack/In PDF document text
  • https://foam20.com/wp-content/uploads/2022/11/HD_Online_Player_mr_x_full_bollywood_movie_download.pdfIn PDF document text
  • https://foam20.com/wp-content/uploads/2022/11/Bum_Simulator_Torrent_Full_BETTER.pdfIn PDF document text
  • http://www.healistico.com/vaanam-vasappadum-novel-pdf-down/In PDF document text
  • http://nii-migs.ru/?p=28965In PDF document text
  • https://susanpalmerwood.com/7-data-recovery-4-1-serial-key-only/In PDF document text
  • https://parsiangroup.ca/2022/11/windows-8-redpill-activator-and-unlock-features-on-hot-download/In PDF document text
  • https://cefcredit.com/wp-content/uploads/2022/11/lyvydan.pdfIn PDF document text
  • https://foam20.com/wp-In PDF document text
  • http://raisengine.com/adaptable/alkalize.zg93bmxvywr8ams1tjngemnyedhnvfkyt1rree5quxlpwhg4twpvnu1iedhlrtbwsuzkdmntundjbvz6y3lcyldfmu1vbejesuzzeulgqkvsbda?forthrightness&intersperses=linguist&balers=normally&sy1maxrllk1lz2euq29kzwmuugfjay4xmy4wljauug9ydgfibguuemlwigrvd25sb2fksy1=In PDF document text
  • http://www.tcpdf.orgIn PDF document text
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://www.aiim.org/pdfa/ns/extension/In PDF document text
  • http://www.aiim.org/pdfa/ns/schema#In PDF document text
  • http://www.aiim.org/pdfa/ns/property#In PDF document text
  • http://www.aiim.org/pdfa/ns/id/In PDF document text

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