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://hardlyfind.com/kent/limpopo.ahna/ZG93bmxvYWR8MU1SWkRsNWVYeDhNVFkxT0RJeE9EazROWHg4TWpVNU1IeDhLRTBwSUZkdmNtUndjbVZ6Y3lCYldFMU1VbEJESUZZeUlGQkVSbDA?Y29sYXNvZnQgY2Fwc2EgZnJlZSBzZXJpYWwgNDUY29=unipolar.metabolising PDF link annotation

  • https://okna113.ru/torrent-creator-download-2021/In PDF document text
  • https://integroclub.ru/wp-content/uploads/2022/07/wambgav-1.pdfIn PDF document text
  • https://curriculocerto.com/wp-content/uploads/2022/07/Age_Of_Empires__Gold_Edition_TorPlacetutorialplacenlrar_Upda.pdfIn PDF document text
  • https://buycoffeemugs.com/wp-content/uploads/2022/07/Cue_Club_Snooker_Game_Free_Download_WORK_Windows_7_64_Bit.pdfIn PDF document text
  • https://northshorerealtysanpancho.com/advert/bioquimica-conceptos-esenciales-feduchi-pdf-link/In PDF document text
  • https://www.alalucarne-rueil.com/ryanair-logo-font/In PDF document text
  • https://laissezfairevid.com/wp-content/uploads/2022/07/bytescout_ppt_to_video_scout_serial_number.pdfIn PDF document text
  • https://www.icmgpartners.com/wp-content/uploads/2022/07/SEXY_Screensaver_Girls_Wash_Monitor_2010_HOT_Download.pdfIn PDF document text
  • https://ssmecanics.com/sitnisati-afterburn-4-2-for-3ds-max-2018-19-patched/In PDF document text
  • http://psychomotorsports.com/?p=44173In PDF document text
  • http://archlooks.com/autodesk-revit-2008-xforce-keygen-exe-2021/In PDF document text
  • http://practicea.com/?p=38838In PDF document text
  • https://dig-tal.com/wp-content/uploads/2022/07/Dora_Game_Download_Full_Version_NEW.pdfIn PDF document text
  • https://dornwell.pl/wp-content/uploads/2022/07/Catia_V5_R22_EXCLUSIVE_Download.pdfIn PDF document text
  • http://www.sport1ne.com/?p=26247In PDF document text
  • https://kjvreadersbible.com/harry-potter-e-a-pedra-filosofal-dvdrip-dublado/In PDF document text
  • https://super7news.com/wp-content/uploads/2022/07/Adobe_Bridge_CC_2020_V1000124_Windows_Crack_WORK-1.pdfIn PDF document text
  • http://ice-aec.com/wp-content/uploads/2022/07/darberg.pdfIn PDF document text
  • https://streamers.worldmoneybusiness.com/advert/ktd-400-kantatu-digital-vol-1-rapidshare-hot/In PDF document text
  • https://sipepatrust.org/wp-content/uploads/2022/07/BlogJet_3072.pdfIn PDF document text
  • https://curriculocerto.com/wp-In PDF document text
  • https://buycoffeemugs.com/wp-In PDF document text
  • https://laissezfairevid.com/wp-In PDF document text
  • https://www.icmgpartners.com/wp-In PDF document text
  • https://super7news.com/wp-In PDF document text
  • http://hardlyfind.com/kent/limpopo.ahna/zg93bmxvywr8mu1swkrsnwvyedhnvfkxt0rjee9eazrowhg4twpvnu1iedhlrtbwsuzkdmntundjbvz6y3lcyldfmu1vbejesuzzeulgqkvsbda?y29syxnvznqgy2fwc2egznjlzsbzzxjpywwgnduy29=unipolar.metabolisingIn 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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