Malicious PDF — malware analysis report

Heuristics 9

• 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.
• Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
  Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
• 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.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. 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://signforcover.com/flux/QXV0b0NBRAQXV/?isic=tabu&dukhitha=navigitional.ZG93bmxvYWR8VFkyYmpWek9YeDhNVFkxT0RJeE9ETTBOSHg4TWpVNU1IeDhLRTBwSUZkdmNtUndjbVZ6Y3lCYldFMU1VbEJESUZZeUlGQkVSbDA PDF link annotation

  • http://www.cxyroad.com/wp-content/uploads/2022/07/AutoCAD-69.pdfIn PDF document text
  • https://www.peyvandmelal.com/wp-content/uploads/2022/07/AutoCAD-63.pdfIn PDF document text
  • https://continentpost.com/wp-content/uploads/2022/07/AutoCAD-54.pdfIn PDF document text
  • http://www.naglobalbusiness.com/wp-content/uploads/2022/07/AutoCAD__Crack___Torrent_Activation_Code_MacWin.pdfIn PDF document text
  • https://www.grenobletrail.fr/wp-content/uploads/2022/07/daysderb.pdfIn PDF document text
  • https://mapasconceptuales.online/autocad-2022-24-1-crack-incl-product-key-download/In PDF document text
  • https://teenmemorywall.com/autocad-keygen-4/In PDF document text
  • http://allforyourhouse.com/wp-content/uploads/chryquyn.pdfIn PDF document text
  • https://www.t-find.com/wp-content/uploads/2022/07/andfeor.pdfIn PDF document text
  • https://onlinenews.store/autocad-crack-activation-key-free-win-mac-latest/����������/In PDF document text
  • https://colombiasubsidio.xyz/?p=18281In PDF document text
  • https://abbasiyatoday.com/wp-content/uploads/2022/07/AutoCAD-45.pdfIn PDF document text
  • https://turbulentelevenvansissi.nl/wp-content/uploads/2022/07/telchan.pdfIn PDF document text
  • https://mindfullymending.com/autocad-crack-keygen-for-lifetime-free-for-windows/In PDF document text
  • https://mdi-alger.com/wp-content/uploads/2022/07/AutoCAD__2022.pdfIn PDF document text
  • https://umtsohor.com/2022/07/24/autocad-2017-21-0-crack-serial-key-for-pc-latest-2022/In PDF document text
  • https://visitkeila.com/wp-content/uploads/2022/07/AutoCAD_Crack_With_Key_Free_PCWindows.pdfIn PDF document text
  • https://serippy.com/autocad-crack-free-download-mac-win-updated/In PDF document text
  • https://sattology.org/wp-content/uploads/2022/07/reygpric.pdfIn PDF document text
  • https://ppbazaar.com/wp-content/uploads/2022/07/AutoCAD-34.pdfIn PDF document text
  • https://onlinenews.store/autocad-crack-activation-key-free-win-mac-latest/����������������/In PDF document text
  • http://signforcover.com/flux/qxv0b0nbraqxv/?isic=tabu&dukhitha=navigitional.zg93bmxvywr8vfkyympwek9yedhnvfkxt0rjee9ettboshg4twpvnu1iedhlrtbwsuzkdmntundjbvz6y3lcyldfmu1vbejesuzzeulgqkvsbdaIn PDF document text
  • http://www.naglobalbusiness.com/wp-content/uploads/2022/07/autocad__crack___torrent_activation_code_macwin.pdfIn 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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