Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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.
• ClickFix social engineering attack high SE_CLICKFIX
  Document instructs the user to press Win+R or paste a command into a terminal — consistent with ClickFix attacks that bypass macro restrictions by tricking users into running malicious commands directly
• 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://find24hs.com/Q3liZXJwdW5rIEZpZ2h0aW5nQ3l/ZG93bmxvYWR8ajY4T0dGdlpYeDhNVFkxT1RJeE1qWTRObng4TWpVNU1IeDhLRTBwSUZkdmNtUndjbVZ6Y3lCYldFMU1VbEJESUZZeUlGQkVSbDA/wrappers/?inventions.collisions=knew PDF link annotation

  • https://leykaclub.com/wp-content/uploads/2022/07/betiola.pdfIn PDF document text
  • https://insenergias.org/wp-content/uploads/2022/07/sanjdaem-1.pdfIn PDF document text
  • http://travkamyravka.ru/?p=8649In PDF document text
  • https://besttoolguide.com/2022/07/30/��������������-hack/In PDF document text
  • https://protected-ocean-95771.herokuapp.com/Perang_Laut__Maritime_Warfare.pdfIn PDF document text
  • http://humuun.edu.mn/blog/index.php?entryid=19847In PDF document text
  • https://gentle-castle-43514.herokuapp.com/Train_Sim_World_2_DB_BR_182_Loco_AddOn.pdfIn PDF document text
  • https://grxgloves.com/return-to-nangrim-keygen-exe-with-product-key-march-2022/In PDF document text
  • http://jwbotanicals.com/hive-quest-mem-patch-april-2022/In PDF document text
  • https://southgerian.com/fantasy-grounds-d-ampd-monk-class-pack-serial-number-torrent-activation-code-free-latest/In PDF document text
  • http://shaeasyaccounting.com/rpg-maker-vx-ace-time-fantasy-winter-tiles-download-latest-2022/In PDF document text
  • https://www.thiruvalluvan.com/wp-content/uploads/2022/07/betszimr.pdfIn PDF document text
  • https://fraenkische-rezepte.com/wp-content/uploads/2022/07/ramalat.pdfIn PDF document text
  • https://www.planetneurodivergent.com/wp-content/uploads/2022/07/Legendary_Tracks_Part_2_Adelaide.pdfIn PDF document text
  • https://www.dllil.com/wp-content/uploads/2022/07/60_Seconds_Reatomized_Activation_.pdfIn PDF document text
  • https://protected-In PDF document text
  • https://gentle-castle-43514.herokuapp.com/Train_Sim_World_2_DB_BR_In PDF document text
  • https://grxgloves.com/return-to-nangrim-keygen-exe-with-product-key-In PDF document text
  • https://southgerian.com/fantasy-grounds-d-ampd-monk-class-pack-In PDF document text
  • http://shaeasyaccounting.com/rpg-maker-vx-ace-time-fantasy-winter-In PDF document text
  • https://www.thiruvalluvan.com/wp-In PDF document text
  • https://fraenkische-rezepte.com/wp-In PDF document text
  • https://www.planetneurodivergent.com/wp-In PDF document text
  • https://www.dllil.com/wp-In PDF document text
  • http://find24hs.com/q3lizxjwdw5riezpz2h0aw5nq3l/zg93bmxvywr8ajy4t0dgdlpyedhnvfkxt1rjee1qwtrobng4twpvnu1iedhlrtbwsuzkdmntundjbvz6y3lcyldfmu1vbejesuzzeulgqkvsbda/wrappers/?inventions.collisions=knewIn 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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