Malicious PDF — malware analysis report

Heuristics 8

• 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.
• 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://bestsmartfind.com/bults/billary/VmVnYXMgNy4wYSBrZXlnZW4VmV?bride=csic&fibrosure=ZG93bmxvYWR8Qm43T1hCek5YeDhNVFkxT0RJeE9EazROWHg4TWpVNU1IeDhLRTBwSUZkdmNtUndjbVZ6Y3lCYldFMU1VbEJESUZZeUlGQkVSbDA.angiotensin=hkcu PDF link annotation

  • https://egypt-aquarium.com/advert/crack-ciel-compta-evolution-2013-263-link/In PDF document text
  • https://drogueriaconfia.com/wp-content/uploads/2022/07/chieli.pdfIn PDF document text
  • https://liquidonetransfer.com.mx/?p=65204In PDF document text
  • http://www.flyerbee.com/?p=194708In PDF document text
  • http://pussyhub.net/wp-content/uploads/2022/07/power_of_critical_thinking_vaughn_4th_edition_pdf.pdfIn PDF document text
  • https://www.jbrfilms.com/wp-content/uploads/2022/07/fauspad.pdfIn PDF document text
  • https://seecurrents.com/wp-content/uploads/2022/07/Maurizio_Chiaranda_Urgenze_Ed_Emergenze_Pdf_158.pdfIn PDF document text
  • https://www.webcard.irish/como-hackeo-una-pagina-de-facebook-sin-ser-administrador-exclusive/In PDF document text
  • https://seo-focus.com/adobephotoshopcs10freedownloadfull-_top_versionforwindows7/In PDF document text
  • https://npcfmc.com/wp-content/uploads/2022/07/Electrotehnica_Pentru_Incepatori_Pdf_Download.pdfIn PDF document text
  • https://marketing6s.com/index.php/advert/indoword-tamil-font-full-version-hot/In PDF document text
  • https://discovery.info/windows-xp-sp3-disney-edition-torrent-free/In PDF document text
  • http://www.ressn.com/free-download-microsoft-net-framework-v4-0-30319-1-2021/In PDF document text
  • https://buycoffeemugs.com/command-conquer-renegade-no-cd-crack-4-0-scripts-skidrow-better/In PDF document text
  • https://thefpds.org/2022/07/25/glass-eye-2000-full-crack-2013/In PDF document text
  • https://shoppibear.com/wp-content/uploads/2022/07/Chalte_Chalte_TOP_Full_720p_Hd_Movie.pdfIn PDF document text
  • https://www.easyblogging.in/wp-content/uploads/2022/07/I_Am_Alive_Pc_UPDATED_Keygen_63.pdfIn PDF document text
  • https://themesotheliomacancer.com/wp-content/uploads/2022/07/QuickVerse_Platinum_2010_rar.pdfIn PDF document text
  • https://mentorus.pl/time-pass-full-hd-movie-download-_top_-utorrent/In PDF document text
  • https://prachiudyog.com/index.php/2022/07/25/sai-photoprint-10-crack-full-patched-19/In PDF document text
  • http://bestsmartfind.com/bults/billary/vmvnyxmgny4wysbrzxlnzw4vmv?bride=csic&fibrosure=zg93bmxvywr8qm43t1hcek5yedhnvfkxt0rjee9eazrowhg4twpvnu1iedhlrtbwsuzkdmntundjbvz6y3lcyldfmu1vbejesuzzeulgqkvsbda.angiotensin=hkcuIn 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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