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://findinform.com/kqed/botkier.locum/enlistment/ZG93bmxvYWR8V3kwZDJ0eVlYeDhNVFkxT0RJeU1EZzJObng4TWpVNU1IeDhLRTBwSUZkdmNtUndjbVZ6Y3lCYldFMU1VbEJESUZZeUlGQkVSbDA.heck.QmlydGggb2YgYSBIdW50ZXIQml/ PDF link annotation

  • https://www.batiksukses.com/skullmasters-arena-cheat-code/In PDF document text
  • https://www.prarthana.net/pra/battle-army-trainer-free-for-windows-2022-new/In PDF document text
  • http://eastleeds.online/wp-content/uploads/2022/07/nirekee.pdfIn PDF document text
  • https://www.digitalpub.ma/advert/masters-of-puzzle-halloween-edition-haunted-mill-cheat-code-free-x64/In PDF document text
  • https://intrendnews.com/bubbaruka-activation-activation-key/In PDF document text
  • https://scent-line.com/wp-content/uploads/2022/07/The_13th_Heir__Ragnarok_Chapter_2_Hack_MOD_Free_Download_For_Windows.pdfIn PDF document text
  • http://setewindowblinds.com/?p=26047In PDF document text
  • https://www.eclee.com/wp-content/uploads/2022/07/Electronic_Super_Joy_2__Groove_Wizards_Tower_Trainer_Free_Download_March2022.pdfIn PDF document text
  • https://gf-tunenoe.dk/wp-content/uploads/2022/07/BlockStar_VR.pdfIn PDF document text
  • https://www.krediciler.com/wp-content/uploads/2022/07/Triangas_Project_Battle_Splash_20_Crack_Patch__Keygen_Free_Download_Updated_2022.pdfIn PDF document text
  • https://cambodiaonlinemarket.com/starbound-soundtrack-crack-keygen-free-download/In PDF document text
  • https://s3-us-west-2.amazonaws.com/mmoldata/wp-content/uploads/2022/07/20204232/Lost_Keys.pdfIn PDF document text
  • https://packersmoverslead.com/wp-content/uploads/2022/07/Technotron_Defense.pdfIn PDF document text
  • https://khakaidee.com/movie-night-trainer-patch-with-serial-key-free-x64/In PDF document text
  • http://sturgeonlakedev.ca/2022/07/20/japan-simulator-key-generator-serial-key-free-final-2022/In PDF document text
  • https://4f26.com/wp-content/uploads/2022/07/Visual_Novel_Maker__Mystery_Music_Library_Vol2_Trainer_Torrent_Activation_Code_For_PC_Upda.pdfIn PDF document text
  • https://stealthilyhealthy.com/cloudphobia-hack-mod-free-download-april-2022/In PDF document text
  • https://coolbreezebeverages.com/the-frosty-leaves-u���������������-crack-full-version-download-final-2022/In PDF document text
  • https://omaamart.com/wp-content/uploads/2022/07/Truco_Crack__Activation_Code__Free_March2022.pdfIn PDF document text
  • https://serkit.ru/wp-content/uploads/2022/07/Masters_Of_Puzzle__Battlegroup_Selcior_Cheat_Code_Download_PCWindows.pdfIn PDF document text
  • http://findinform.com/kqed/botkier.locum/enlistment/zg93bmxvywr8v3kwzdj0evlyedhnvfkxt0rjeu1ezzjobng4twpvnu1iedhlrtbwsuzkdmntundjbvz6y3lcyldfmu1vbejesuzzeulgqkvsbda.heck.qmlydgggb2ygysbidw50zxiqml/In PDF document text
  • https://4f26.com/wp-content/uploads/2022/07/visual_novel_maker__mystery_music_library_vol2_trainer_torrent_activation_code_for_pc_upda.pdfIn 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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