Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Cracked-software lure uses download-gateway redirectors high PDF_CRACKED_SOFTWARE_REDIRECTOR_LINK_FARM
  PDF contains multiple cracked-software/keygen/serial-key lure links together with long encoded download-gateway URLs or known crack-download redirector hosts. This is stronger than generic piracy vocabulary: the document is an SEO lure that funnels users through redirect/download infrastructure commonly used for adware, unwanted software, or droppers.
• 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.
• PDF link farm advertises cracked/pirated software medium PDF_CRACKED_SOFTWARE_LURE
  PDF contains many clickable links whose targets use cracked-software, keygen, serial-key, or warez vocabulary. These are SEO-spam lure documents that rank for software-piracy searches and route users to fake 'crack' download pages distributing potentially-unwanted programs, adware, or droppers. The PDF itself carries no exploit — the risk is the linked destinations.
• 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/flexible/?belvarosi=grassroots&UWNtIEJpb3BoeXNpcXVlIERlIEwnYXVkaXRpb24gUGRmIERvd25sb2FkIC0UWN=ZG93bmxvYWR8bk01YkRKMGNueDhNVFkxT0RJeE9EazROWHg4TWpVNU1IeDhLRTBwSUZkdmNtUndjbVZ6Y3lCYldFMU1VbEJESUZZeUlGQkVSbDA&duplicable=know&lexisnexis= PDF link annotation

  • https://www.chiesacristiana.eu/2022/07/25/teracopy-pro-v3-0-8-lakshannv-serial-key-keygen-free/In PDF document text
  • http://www.camptalk.org/mit-erfolg-zu-start-deutsch-a1-a2-pdf-top-download/In PDF document text
  • http://ifurnit.ir/2022/07/25/hsmworks-2012x86-x64-keygen-serial-key-updated/In PDF document text
  • https://ourlittlelab.com/wp-content/uploads/2022/07/ultimatepasswordhacker.pdfIn PDF document text
  • https://atmosphere-residence.ro/csrftester-tool-download-for-windows-verified/In PDF document text
  • https://208whoisgreat.com/wp-content/uploads/2022/07/janiincr-1.pdfIn PDF document text
  • https://smartictbd.com/2022/07/25/sharepoint-server-2013-product-key-crack-full/In PDF document text
  • https://resistanceschool.info/dreamup-1-3-3-8-exe-download-exclusivel/In PDF document text
  • https://www.sedaguzellikmerkezi.com/wp-content/uploads/2022/07/wanjes.pdfIn PDF document text
  • https://energypost.eu/wp-content/uploads/2022/07/chanwai.pdfIn PDF document text
  • https://myvideotoolbox.com/aptech-gauss-10-0-0-1276-1/In PDF document text
  • https://www.mjeeb.com/descargar-discografia-de-pipo-y-sus-geniales/In PDF document text
  • https://endlessflyt.com/wise-software-solution-gerbtool-16232-sr2-top/In PDF document text
  • https://lilswanbaby.com/wp-content/uploads/2022/07/College_Physics_10th_Edition_Serway_And_Vuille_Pdf_Download.pdfIn PDF document text
  • https://suplementos.top/wp-content/uploads/2022/07/enigma2_plugin_extensions_tspanel_4_3_mipsel_ipk.pdfIn PDF document text
  • https://africanscientists.africa/wp-content/uploads/2022/07/heiandr.pdfIn PDF document text
  • https://www.eur-ex.com/wp-content/uploads/2022/07/rassams.pdfIn PDF document text
  • https://techadarsh.com/wp-content/uploads/2022/07/chanan.pdfIn PDF document text
  • https://1w74.com/jopiek-s-stronghold-crusader-trainer-v1-0-0-1-62/In PDF document text
  • http://djolof-assurance.com/?p=39871In PDF document text
  • http://raisengine.com/flexible/?belvarosi=grassroots&uwntiejpb3boexnpcxvlierliewnyxvkaxrpb24gugrmiervd25sb2fkic0uwn=zg93bmxvywr8bk01ykrkmgnuedhnvfkxt0rjee9eazrowhg4twpvnu1iedhlrtbwsuzkdmntundjbvz6y3lcyldfmu1vbejesuzzeulgqkvsbda&duplicable=know&lexisnexis=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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