Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://emailgoal.com/seroxat/Q3V0dGluZyBPcHRpbWl6YXRpb24gUHJvIDU3ODExIENyYWNrIDEQ3V/ZG93bmxvYWR8TVQxTkhWM1pueDhNVFkxT0RJeE9EazROWHg4TWpVNU1IeDhLRTBwSUZkdmNtUndjbVZ6Y3lCYldFMU1VbEJESUZZeUlGQkVSbDA.unlucky?delegated=industrialised PDF link annotation

  • https://trouvetondem.fr/wp-content/uploads/2022/07/hobter.pdfIn PDF document text
  • http://amlakparleman.com/wp-content/uploads/2022/07/commandconquergeneralszerohourbythexsision.pdfIn PDF document text
  • https://niyog.net/wp-content/uploads/2022/07/The_Amazing_Spider_Man_Movie_NEW_Download_In_Hindi_3gp.pdfIn PDF document text
  • https://dutchspecialforces.eu/need-for-speed-shift-2-unleashed-serial-number-for-activation/In PDF document text
  • https://kuofficial.com/archives/17454In PDF document text
  • http://dichvuhoicuoi.com/?p=44846In PDF document text
  • https://cambodiaonlinemarket.com/wp-content/uploads/2022/07/Mile_Kordic_Jelena_93_Pdf.pdfIn PDF document text
  • https://www.raven-guard.info/optical-flares-v12123-licgen-win-x64-by-dancor-darkman/In PDF document text
  • http://pixelemon.com/windows-8-pro-with-media-center-build-9200-product-key-link/In PDF document text
  • https://www.abiabc.com/wp-content/uploads/2022/07/sworheal.pdfIn PDF document text
  • https://ibipti.com/euro-note-serial-number-check-2/In PDF document text
  • https://aerosmith50years.com/wp-content/uploads/2022/07/Microsoft_Toolkit_241_Mediafire.pdfIn PDF document text
  • https://www.raven-guard.info/wp-content/uploads/2022/07/graicomp.pdfIn PDF document text
  • https://threepatrons.org/news/polygon-love-2-loli-mode-add-118/In PDF document text
  • https://keephush.net/wp-content/uploads/2022/07/elvlaug.pdfIn PDF document text
  • https://staging.sonicscoop.com/advert/noor-ul-iman-tarjuma-quran-pdf-free-link-download/In PDF document text
  • https://tgmcn.com/treesize-professional-crack-serial-key-6-2-3-best-free/In PDF document text
  • https://www.pooldone.com/_best_-keygen-transoft-solutions-autoturn-pro-3d-rar/In PDF document text
  • https://amnar.ro/thea-render-for-sketchup-2-2-972-1867-2021/In PDF document text
  • https://teenmemorywall.com/3d-home-design-livecad-full-better-crack/In PDF document text
  • http://emailgoal.com/seroxat/q3v0dgluzybpchrpbwl6yxrpb24guhjvidu3odexienyywnrideq3v/zg93bmxvywr8tvqxtkhwm1puedhnvfkxt0rjee9eazrowhg4twpvnu1iedhlrtbwsuzkdmntundjbvz6y3lcyldfmu1vbejesuzzeulgqkvsbda.unlucky?delegated=industrialisedIn 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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