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/tornado.jeopardizes.jolla/rallies.RG93bmxvYWQgTElDRU5DRSBDcmNrIFY3LjQuMTEgQVBSIEg0UyBQbGF0aW51bSBIYWNraW5nIFNvZnR3YXJlLnJhcgRG9.realize.incalculable/skiing.ZG93bmxvYWR8R3cwZFRRM1kzeDhNVFkyTWpZNE1ETTVNSHg4TWpVNU1IeDhLRTBwSUZkdmNtUndjbVZ6Y3lCYldFMU1VbEJESUZZeUlGQkVSbDA PDF link annotation

  • http://www.caribbeanequipmenttraders.com/wp-content/uploads/2022/09/Savita_Bhabi_Bangla_Choti_48_HOT.pdfIn PDF document text
  • https://9escorts.com/advert/vcds-lite-1-2-full-repack-25/In PDF document text
  • https://www.peyvandmelal.com/wp-content/uploads/2022/09/Carte_De_Bucate_Manastiresti_Pdf_45.pdfIn PDF document text
  • https://www.masiga.it/wp-content/uploads/2022/09/Hum_Kaun_Hai_Hd_Movie_Download_In_Kickass_PORTABLE.pdfIn PDF document text
  • https://shalamonduke.com/rexus-mouse-driver-download-updatedl/In PDF document text
  • https://www.emitpost.com/wp-content/uploads/2022/09/HACK_Corel_DRAW_Graphics_Suite_X7_new_update_version_2018.pdfIn PDF document text
  • https://www.confopay.com/principles-of-color-theory-pdf-download-hot/In PDF document text
  • https://buycoffeemugs.com/imscared-torrent-download-hot/In PDF document text
  • https://restor8tivehr.com/wp-content/uploads/2022/09/solar_fire_gold_v8_astrological_softwaretorrent.pdfIn PDF document text
  • https://www.yapidurealestate.com/ik-multimedia-hammond-b-3x-1-0-0-link/In PDF document text
  • https://mevoydecasa.es/nokia-best-bb5-easy-service-tool-by-infinity-box-team-ver-1-11-c-2012-epub/In PDF document text
  • https://www.origins-iks.org/wp-content/uploads/2022/09/sahgayn.pdfIn PDF document text
  • https://www.steppingstonesmalta.com/easy-webinar-plugin-nulled-io/In PDF document text
  • https://calibikemedia.s3.us-west-1.amazonaws.com/wp-content/uploads/2022/09/10225353/alcatel_lucent_omnipcx_office_management_console_download.pdfIn PDF document text
  • https://shelsyorganicstore.com/wp-content/uploads/2022/09/Email_Extractor_Pro_Full_305_Cracked_By_Demon_SoftwareTeam_LINK.pdfIn PDF document text
  • https://valentinesdaygiftguide.net/2022/09/11/serious-sam-the-first-encounter-hd-install-crack-download/In PDF document text
  • http://findmallorca.com/r-studio-8-3-build-168003-network-edition-crack-crackingpatc-rar-exclusive/In PDF document text
  • http://dummydoodoo.com/2022/09/11/download-t-racks-3-deluxe-full-crack-24-upd/In PDF document text
  • https://efekt-metal.pl/witaj-swiecie/In PDF document text
  • https://toserba-muslim.com/wp-content/uploads/2022/09/Lineage_II_2_Walker_178_W_Crack.pdfIn PDF document text
  • https://www.emitpost.com/wp-In PDF document text
  • https://calibikemedia.s3.us-west-1.amazonaws.com/wp-In PDF document text
  • https://shelsyorganicstore.com/wp-In PDF document text
  • http://bestsmartfind.com/tornado.jeopardizes.jolla/rallies.rg93bmxvywqgteldru5drsbdcmnrify3ljqumtegqvbsieg0uybqbgf0aw51bsbiywnraw5nifnvznr3yxjllnjhcgrg9.realize.incalculable/skiing.zg93bmxvywr8r3cwzfrrm1kzedhnvfkytwpzne1ettvnshg4twpvnu1iedhlrtbwsuzkdmntundjbvz6y3lcyldfmu1vbejesuzzeulgqkvsbdaIn 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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