Malicious PDF — malware analysis report

Heuristics 6

• 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://signforcover.com/VGhlIENsb25lIFdhcnMgU2Vhc29uIDEgNzIwcAVGh.swum/bylines.kimber?mido=spop&ZG93bmxvYWR8dzRyY25CeWNYeDhNVFkxT0RJeE9UUTNNM3g4TWpVNU1IeDhLRTBwSUZkdmNtUndjbVZ6Y3lCYldFMU1VbEJESUZZeUlGQkVSbDA=paperweights PDF link annotation

  • https://touky.com/tarbiyah-ruhiyah-pdf-_best_/In PDF document text
  • https://futurestrongacademy.com/wp-content/uploads/2022/07/maternal_and_child_health_nursing_adele_pillitteri_pdf_free.pdfIn PDF document text
  • https://thecryptobee.com/wp-content/uploads/2022/07/alfrvla.pdfIn PDF document text
  • https://www.arunachalreflector.com/2022/07/28/call-to-arms-deluxe-edition-v0-980-skidrow-reloaded/In PDF document text
  • https://cefcredit.com/hd-online-player-hotarubi-no-mori-e-movie-eng-sub-dow/In PDF document text
  • http://feelingshy.com/xl-delete-2-serial-key/In PDF document text
  • https://www.smc-sheeva-marketing-co-ltd.com/advert/ghost-recon-future-soldier-offline-crack-new-fix/In PDF document text
  • https://best-housing.nl/wp-content/uploads/2022/07/New_17_M_32_Siberian_Mouse.pdfIn PDF document text
  • https://tbone.fi/wp-content/uploads/2022/07/MAFIAgameforPCisox3gamehackpassword.pdfIn PDF document text
  • https://gwttechnologies.com/classic-teenage-mutant-ninja-turtles-1987-season-1-9-dvdrip-by-madmike/In PDF document text
  • http://avc-mx.com/wp-content/uploads/2022/07/yudyloli.pdfIn PDF document text
  • http://www.bankerogkontanter.no/wp-content/uploads/2022/07/halfhau.pdfIn PDF document text
  • https://jelenalistes.com/wp-content/uploads/2022/07/Scuffham_Amps_S_Gear_Keygen_Crack-1.pdfIn PDF document text
  • https://www.legittimazione.it/wp-content/uploads/2022/07/Slickedit_License_File_Crack_41_HOT.pdfIn PDF document text
  • http://geniyarts.de/wp-content/uploads/2022/07/Rob_Papen_Plugins_Pack__R2R_deepstatus_Download_HOT.pdfIn PDF document text
  • https://superstitionsar.org/ajhorn-6-crack-__link__/In PDF document text
  • https://www.valenciacfacademyitaly.com/2022/07/28/error-xlive-dll-dawn-of-war-2/In PDF document text
  • https://www.indiecongdr.it/wp-content/uploads/2022/07/ranpho.pdfIn PDF document text
  • https://molenbeekshopping.be/wp-content/uploads/2022/07/lynnedr.pdfIn PDF document text
  • https://ozrural.com/index.php/advert/el-sendero-del-chaman-191-pdf-top/In PDF document text
  • https://jelenalistes.com/wp-content/uploads/2022/07/scuffham_amps_s_gear_keygen_crack-1.pdfIn PDF document text
  • http://signforcover.com/vghliensb25lifdhcnmgu2vhc29uidegnziwcavgh.swum/bylines.kimber?mido=spop&zg93bmxvywr8dzryy25cewnyedhnvfkxt0rjee9uutnnm3g4twpvnu1iedhlrtbwsuzkdmntundjbvz6y3lcyldfmu1vbejesuzzeulgqkvsbda=paperweightsIn 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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