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://evacdir.com/bushel/bierproevers?ZG93bmxvYWR8dHkwTTI1Mk9IeDhNVFkxTkRVMU9UY3dNbng4TWpVNU1IeDhLRTBwSUZkdmNtUndjbVZ6Y3lCYldFMU1VbEJESUZZeUlGQkVSbDA=definitley&ruffling=sewed&blackcomb=&UG9ydGFibGUgS2hheWFsYW4gR0lGU2hvdAUG9=/thursday/ PDF link annotation

  • https://beznaem.net/wp-content/uploads/2022/06/emmafar.pdfIn PDF document text
  • http://www.chelancove.com/quikresizer-crack/In PDF document text
  • https://www.nubianplanet.com/pictures/uploads/2022/06/FFMpegI.pdfIn PDF document text
  • https://www.mycatchyphrases.com/recovery-for-access-3-1-222-keygen-mac-win/In PDF document text
  • https://www.15heures.com/wp-content/uploads/2022/06/ScreenSnipe_for_Confluence.pdfIn PDF document text
  • https://www.lr-fyzio.cz/wp-content/uploads/2022/06/palivo.pdfIn PDF document text
  • https://social.halvsie.com/upload/files/2022/06/qBJ1Ab6jIVVCkQGADbh7_07_e9708df477ba2877029cbcd6070735e8_file.pdfIn PDF document text
  • https://techadarsh.com/wp-content/uploads/2022/06/wendjoh.pdfIn PDF document text
  • https://brightsun.co/wp-content/uploads/2022/06/denzsaly.pdfIn PDF document text
  • http://sourceofhealth.net/2022/06/07/rbtray-1-3-42-crack-with-product-key-free-download-3264bit-latest-2022/In PDF document text
  • https://zentrum-beyond.de/wp-content/uploads/2022/06/raymdar.pdfIn PDF document text
  • https://ubiz.chat/upload/files/2022/06/PJt9mElQnv6YGRlODvOV_07_e9708df477ba2877029cbcd6070735e8_file.pdfIn PDF document text
  • https://xn--80aagyardii6h.xn--p1ai/lastfmp3getr-updated-2022/In PDF document text
  • https://ictlife.vn/upload/files/2022/06/azmTkuPtYvcRc7XPLBIU_07_e9708df477ba2877029cbcd6070735e8_file.pdfIn PDF document text
  • http://cubaricosworld.com/wp-content/uploads/2022/06/Acronis_Backup_for_PC.pdfIn PDF document text
  • https://ubiz.chat/upload/files/2022/06/ljWO1XBzTfngJPNN63fx_07_e9708df477ba2877029cbcd6070735e8_file.pdfIn PDF document text
  • https://oag.uz/en/dirbuster-crack-with-license-code-free-latest/In PDF document text
  • https://savetrees.ru/oracle-sql-handler-updated-2022/In PDF document text
  • http://mir-ok.ru/wp-content/uploads/2022/06/Virus_Remover_for_Win32_Dundun.pdfIn PDF document text
  • https://saveourdate.online/wp-content/uploads/2022/06/elleiva.pdfIn PDF document text
  • https://social.halvsie.com/upload/files/2022/06/qBJ1Ab6jIVVCkQGADbh7_07_e9708dfIn PDF document text
  • http://sourceofhealth.net/2022/06/07/rbtray-1-3-42-crack-with-product-key-free-In PDF document text
  • https://ubiz.chat/upload/files/2022/06/PJt9mElQnv6YGRlODvOV_07_e9708df477ba287In PDF document text
  • https://ictlife.vn/upload/files/2022/06/azmTkuPtYvcRc7XPLBIU_07_e9708df477ba2877In PDF document text
  • https://ubiz.chat/upload/files/2022/06/ljWO1XBzTfngJPNN63fx_07_e9708df477ba2877In PDF document text
  • http://evacdir.com/bushel/bierproevers?zg93bmxvywr8dhkwtti1mk9iedhnvfkxtkrvmu9uy3dnbng4twpvnu1iedhlrtbwsuzkdmntundjbvz6y3lcyldfmu1vbejesuzzeulgqkvsbda=definitley&ruffling=sewed&blackcomb=&ug9ydgfibgugs2hhewfsyw4gr0lgu2hvdaug9=/thursday/In 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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