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://seachtop.com/YmFuYSBtYXNhbCBhbmxhdG1hIGl6bGUgNzIwcCBtb3ZpZXMYmF.daymarks?ZG93bmxvYWR8eTZMZEhoM2RIeDhNVFkxT0RJeE9UUTNNM3g4TWpVNU1IeDhLRTBwSUZkdmNtUndjbVZ6Y3lCYldFMU1VbEJESUZZeUlGQkVSbDA/wristwatches/healed/monsieur/coachella.naroctic PDF link annotation

  • https://indir.fun/phobia-5-full-movie-hd-1080p-in-hindi-__hot__/In PDF document text
  • https://officinabio.it/wp-content/uploads/2022/07/laujaju.pdfIn PDF document text
  • https://www.nonteek.com/wp-content/uploads/2022/07/Easy_touch_et_2128_windows_7_driver.pdfIn PDF document text
  • https://croatiansincleveland.com/wp-content/uploads/2022/07/Car_mechanic_simulator_2014_torent_tpb.pdfIn PDF document text
  • https://www.filmwritten.org/?p=33218In PDF document text
  • https://digi-office.eu/2022/07/28/fida-hindi-dubbed-720p-movies-upd/In PDF document text
  • https://ryansellsflorida.com/2022/07/28/ansys-hfss-15-0-2-x64-download-torrent-top/In PDF document text
  • https://iyihabergazetesi.org/wp-content/uploads/2022/07/start_xforce_keygen_32bits_or_64bits_version.pdfIn PDF document text
  • http://karnalketo.com/fsx-aerosoft-mallorca-x-torrent-better/In PDF document text
  • https://savosh.com/wp-content/uploads/2022/07/skaggarwaleconomicsclass12pdfdownload.pdfIn PDF document text
  • http://www.giffa.ru/communicationsvideo-conferencing/spectrasonics-stylus-rmx-15-keygen-download-torrent-link/In PDF document text
  • https://theamazingescape.com/chicken-biryani-recipe-in-bengali-language-pdf/In PDF document text
  • https://mentorus.pl/plantanatomybookbybppandeypdf715/In PDF document text
  • http://freemall.jp/sicher-b21-lehrerhandbuch-pdf-196.htmlIn PDF document text
  • http://hshapparel.com/adobe-photoshop-lightroom-cc-2018-11-9-5-crack-2021-utorrent/In PDF document text
  • https://6v9x.com/wp-content/uploads/2022/07/kenfab.pdfIn PDF document text
  • https://greenteam-rds.com/wp-content/uploads/2022/07/vladwalt.pdfIn PDF document text
  • https://mindfullymending.com/matchware-mediator-9-hot-crack-serial-keygen-47/In PDF document text
  • https://www.beaches-lakesides.com/realestate/djuced-18-crack-verified/In PDF document text
  • https://heidylu.com/dhoom-full-movie-download-in-dual-audio-movies-extra-quality/In PDF document text
  • http://seachtop.com/ymfuysbtyxnhbcbhbmxhdg1higl6bgugnziwccbtb3zpzxmymf.daymarks?zg93bmxvywr8etzmzehom2riedhnvfkxt0rjee9uutnnm3g4twpvnu1iedhlrtbwsuzkdmntundjbvz6y3lcyldfmu1vbejesuzzeulgqkvsbda/wristwatches/healed/monsieur/coachella.narocticIn 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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