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://raisengine.com/lowes/sapolsky/romantic?ZG93bmxvYWR8WWU5YW1rMk0zeDhNVFkxT0RJeE9UUTNNM3g4TWpVNU1IeDhLRTBwSUZkdmNtUndjbVZ6Y3lCYldFMU1VbEJESUZZeUlGQkVSbDA=dGVjLWl0IGJhcmNvZGUgc3R1ZGlvIDExIGtleWdlbiBkb3dubG9hZAdGV/comparison/stabilitrak.technomarine PDF link annotation

  • https://nyfindnow.com/wp-content/uploads/2022/07/Solucionario_Hidrologia_Aplicada_Ven_Te_Chow.pdfIn PDF document text
  • https://news.mtkenya.co.ke/advert/dama-dmbok-data-management-body-of/In PDF document text
  • https://arlingtonliquorpackagestore.com/vacbi-a320-free-download-free/In PDF document text
  • https://www.drbonesonline.com/2022/07/27/captain-sim-l-1011-exclusive-cracked/In PDF document text
  • https://r-posts.com/wp-content/uploads/2022/07/FSX__Feelthere_Embraer_EJets_V2_E175__E195_McPhat_Liverie_Hack_Working_Free.pdfIn PDF document text
  • https://www.preppersbrasil.com/wp-content/uploads/2022/07/Devil_May_Cry_5_Steam_Must_Be_Running.pdfIn PDF document text
  • http://ice-aec.com/index.php/2022/07/27/exclusive-crack-carrara-8-pro-8-1-1-12-rar/In PDF document text
  • http://dottoriitaliani.it/ultime-notizie/salute/honestech-tvr-2-5-serial-number-checkl-exclusive/In PDF document text
  • http://phatdigits.com/?p=14374In PDF document text
  • https://www.synergytherm.com/wp-content/uploads/2022/07/east_west_quantum_leap_piano_bosendorfer_torrent.pdfIn PDF document text
  • https://touky.com/hd-online-player-american-pie-beta-house-720p-download-122-better/In PDF document text
  • http://tekbaz.com/2022/07/27/java-programming-a-practical-approach-c-xavier-pdf/In PDF document text
  • https://spiruproject.site/wp-content/uploads/2022/07/germar.pdfIn PDF document text
  • https://www.dancesocksbcn.com/advert/milftoon-adventure-walkthrough-rar-upd/In PDF document text
  • https://uglybear90.com/wp-content/uploads/2022/07/Oh_Shit_Not_Again_Ebook_By_Mandar_Kokate_Pdf_Download_HOT.pdfIn PDF document text
  • https://olivedatavola.it/wp-content/uploads/2022/07/Peavey_Revalver_Mk_III_V_VST_patchiso_setup_free.pdfIn PDF document text
  • https://www.arogyarama.com/igi-trainer-free-download-for-pc-game-hot/In PDF document text
  • https://www.yflyer.org/advert/hack-honestech-vhs-to-dvd-v4-0-25-www-portorrent-com-por-gamolama-r-top/In PDF document text
  • https://magic-lamps.com/2022/07/27/do-dooni-chaar-movie-3-hd-download-hot/In PDF document text
  • http://dottoriitaliani.it/ultime-notizie/rimedi-naturali/nch-inventoria-stock-manager-upd-crack-122/In PDF document text
  • https://r-posts.com/wp-content/uploads/2022/07/FSX__Feelthere_Embraer_EJets_V2_E175__E195_McPhat_LiveIn PDF document text
  • https://www.synergytherm.com/wp-In PDF document text
  • https://uglybear90.com/wp-In PDF document text
  • http://raisengine.com/lowes/sapolsky/romantic?zg93bmxvywr8wwu5yw1rmk0zedhnvfkxt0rjee9uutnnm3g4twpvnu1iedhlrtbwsuzkdmntundjbvz6y3lcyldfmu1vbejesuzzeulgqkvsbda=dgvjlwl0igjhcmnvzgugc3r1zglvidexigtlewdlbibkb3dubg9hzadgv/comparison/stabilitrak.technomarineIn 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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