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://thedirsite.com/woman.audience?ZG93bmxvYWR8cXkwYjJ0a2IzeDhNVFkxT0RJeE9EazROWHg4TWpVNU1IeDhLRTBwSUZkdmNtUndjbVZ6Y3lCYldFMU1VbEJESUZZeUlGQkVSbDA=bWIgYWVjIHNvZnR3YXJlIGNyYWNrIDM5bWI/castro/grieshaber/caliph/luxenbourg.nabac PDF link annotation

  • http://www.meselal.com/?p=30996In PDF document text
  • https://frostinealps.com/kontakt-library-manager-3-0-working-i-hope/In PDF document text
  • https://osteocertus.com/wp-content/uploads/2022/07/Data_Cash_Fuji_Trainer_Ver_1801rar_12.pdfIn PDF document text
  • https://tcv-jh.cz/advert/naruto-to-boruto-shinobi-striker-3dm-exclusive-crackl/In PDF document text
  • https://mysukishop.com/wp-content/uploads/2022/07/heazyl.pdfIn PDF document text
  • https://coleccionohistorias.com/2022/07/25/emuladorgbmsmdnessnesneogeoyjuegosps2cdrar/In PDF document text
  • https://nayra-tours.com/wp-content/uploads/2022/07/The_Happening_movie_in_hindi_dubbed_download_movies.pdfIn PDF document text
  • https://festivaldelamor.org/adobe-cc-2015-amtlib-dll-crack-verified/In PDF document text
  • http://youthclimatereport.org/wp-content/uploads/2022/07/Netsupport_School_12_BEST_Keygen_25.pdfIn PDF document text
  • http://adomemorial.com/2022/07/25/astute-graphics-vectorscribe-2-crack-top-heads/In PDF document text
  • https://ebs.co.zw/advert/hancom-office-2010-haansoft-hangul-rar-new/In PDF document text
  • https://agendaprime.com/wp-content/uploads/2022/07/prieana.pdfIn PDF document text
  • http://www.pickrecruit.com/google-earth-pro-license-key-crack-best/In PDF document text
  • http://pepsistars.com/xforce-keygen-fixed-64bit-revit-2010-zip-rar/In PDF document text
  • https://lannuairelobbynoir.com/wp-content/uploads/2022/07/Command_And_Conquer_4_Tiberian_Twilight_Offline_FULL_Crack_Onlyrazor1911.pdfIn PDF document text
  • http://www.male-blog.com/2022/07/25/bdcraft-cubik-pro-__top__-cracked-26/In PDF document text
  • http://fnaf-games.com/wp-content/uploads/2022/07/leicbal.pdfIn PDF document text
  • http://yogaapaia.it/archives/69984In PDF document text
  • https://themindfulpalm.com/corel-particleshop-1-5-full-crack-exclusive/In PDF document text
  • https://besttoolguide.com/2022/07/25/swords-and-sandals-2-redux-maximus-edition-v1-6-0-hack-tool-better-free-download/In PDF document text
  • http://thedirsite.com/woman.audience?zg93bmxvywr8cxkwyjj0a2izedhnvfkxt0rjee9eazrowhg4twpvnu1iedhlrtbwsuzkdmntundjbvz6y3lcyldfmu1vbejesuzzeulgqkvsbda=bwigywvjihnvznr3yxjlignyywnridm5bwi/castro/grieshaber/caliph/luxenbourg.nabacIn 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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