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://evacdir.com/demons/gliders?houseful=familiarity/S2FzaWggUGFzdGkgTGVtYWggTGVtYnV0IFBkZiBEb3dubG9hZAS2F&ZG93bmxvYWR8TUQxY1hRM2JYeDhNVFkxTkRrNE9URTJNbng4TWpVNU1IeDhLRTBwSUZkdmNtUndjbVZ6Y3lCYldFMU1VbEJESUZZeUlGQkVSbDA=scammers&manifestor=profile PDF link annotation

  • https://dailyjaguar.com/wp-content/uploads/2022/06/Komsija_Iz_Pakla_2_scarica_avvento_cart.pdfIn PDF document text
  • http://aceite-oliva.online/2022/06/12/download-autocad-2005-full-crack-mien-phi/In PDF document text
  • https://www.cashptdirectory.com/wp-content/uploads/2022/06/solucionario_De_Quimica_Analitica_Skoog_West_Hol_4.pdfIn PDF document text
  • https://plugaki.com/upload/files/2022/06/crPs7v7b8KwdNCjo34SA_12_4d4fddb6e672d7bb9d22e0d28d808628_file.pdfIn PDF document text
  • https://awamagazine.info/advert/new-supersoft-prophet-2006-software-with-crack/In PDF document text
  • http://persemediagroup.com/ample-sound-agf-torrent-downloadl/In PDF document text
  • https://www.wqrlradio.com/advert/faronics-anti-executable-standard-5-30-1112-606-x86-x64-serial-key/In PDF document text
  • https://marcsaugames.com/2022/06/12/pm-fastrack-cam-v2-keygen-upd/In PDF document text
  • https://revelandrest.com/wp-content/uploads/2022/06/Download_Gx_Developer_87_Full_Crack_357.pdfIn PDF document text
  • http://www.prokaivos.fi/wp-content/uploads/jarfab.pdfIn PDF document text
  • https://blagik.com/wp-content/uploads/2022/06/Usb_Redirector_Technician_Edition_Crack_Cocaine.pdfIn PDF document text
  • https://clasificadostampa.com/advert/hd-online-player-haider-movie-work-download-kickass-720p/In PDF document text
  • http://www.nextjowl.com/upload/files/2022/06/FiMYNhD3WDImouZ99dcI_12_41eeee80a87010691ed598be6f313e2e_file.pdfIn PDF document text
  • https://www.dllil.com/wp-content/uploads/2022/06/RobotSoftAutomaticMouseandKeyboardv3306InclKeygenand_Crack.pdfIn PDF document text
  • https://maturesensual.sexy/wp-content/uploads/2022/06/Laporan_Keuangan_Sekolah_Swasta_Excell.pdfIn PDF document text
  • https://commongroundva.com/2022/06/12/lock-stock-and-two-smoking-barrels-download-720p/In PDF document text
  • https://squalefishing.com/advert/plogue-aria-engine-v1-6-2-6-unlocked-r2r/In PDF document text
  • http://al-resalh.com/?p=15039In PDF document text
  • http://www.ndvadvisers.com/eureka-season-1-720p-torrent/In PDF document text
  • http://armina.bio/?p=23108In PDF document text
  • http://evacdir.com/demons/gliders?houseful=familiarity/s2fzawggugfzdgkgtgvtywggtgvtynv0ifbkzibeb3dubg9hzas2f&zg93bmxvywr8tuqxy1hrm2jyedhnvfkxtkrrne9urtjnbng4twpvnu1iedhlrtbwsuzkdmntundjbvz6y3lcyldfmu1vbejesuzzeulgqkvsbda=scammers&manifestor=profileIn 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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