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/descends/eminem/explainable?profess.ZG93bmxvYWR8Z2Q5YURKclkzeDhNVFkxTlRnME1qazRNWHg4TWpVNU1IeDhLRTBwSUZkdmNtUndjbVZ6Y3lCYldFMU1VbEJESUZZeUlGQkVSbDA=T3B0aXRleCAxNSAyIENyYWNrIDMT3B&prophoto.junkies=longsun PDF link annotation

  • https://leeventi-teleprompter.com/wp-content/uploads/2022/06/Modernwarfare3englishlanguagepack_Fix.pdfIn PDF document text
  • https://cosasparamimoto.club/driver-jinka-1351-30-free/In PDF document text
  • https://susanpalmerwood.com/crack-minitool-partition-wizard-pro-8-1-1-eng-serial-better/In PDF document text
  • https://eqcompu.com/2022/06/22/call-of-duty-black-ops-2-crack-fix-3dm-top/In PDF document text
  • https://undergroundfrequency.com/upload/files/2022/06/PRWnZLBEr1vWbHkTioaN_22_4a482125d3595a6537c6a633b25bfc3f_file.pdfIn PDF document text
  • https://logocraticacademy.org/cad-earth-full-crack-16-_verified_/In PDF document text
  • http://doyousue.com/?p=98525In PDF document text
  • https://bintimalu.com/wp-content/uploads/2022/06/parasitologia_de_botero_5ta_edicion_pdf_21.pdfIn PDF document text
  • https://kjvreadersbible.com/kb-fabfilter-proq-1-23/In PDF document text
  • http://shaeasyaccounting.com/korg-pa-50-style-dangdut-koplo-31-hot/In PDF document text
  • http://channelclipz.com/wp-content/uploads/2022/06/Menschen_A2_1_Kursbuch_Pdf_747.pdfIn PDF document text
  • http://ticketguatemala.com/fhm-philippines-july/In PDF document text
  • https://rerummea.com/wp-content/uploads/2022/06/ferrsan.pdfIn PDF document text
  • https://halletabi.com/wp-content/uploads/2022/06/Ess_Solo1_Es1938s_Pilote_Pour_Windows_10_Tlcharger.pdfIn PDF document text
  • https://savosh.com/tidal-music-����-hifi-songs-playlists-videos-v2-11-3-mod-latest/In PDF document text
  • https://shalamonduke.com/swift-elite-4-is-a-puzzle-game-that-is-an-evolution-of-tetriz/In PDF document text
  • https://changehealthfit.cz/wp-content/uploads/2022/06/How_to_install_cracked_kontakt_library.pdfIn PDF document text
  • https://codizad.com/wp-content/uploads/2022/06/10_V4X5F_Flash_File_Image_Author_Tester_Y5_DUA.pdfIn PDF document text
  • https://www.caelmjc.com/wp-content/uploads/2022/06/SKU_583149_2007_Sainsburys_Red_DAB_radio.pdfIn PDF document text
  • https://aalcovid19.org/navigations-cd-audio-50-aps-ntg1-torrent/In PDF document text
  • http://evacdir.com/descends/eminem/explainable?profess.zg93bmxvywr8z2q5yurkclkzedhnvfkxtlrnme1qazrnwhg4twpvnu1iedhlrtbwsuzkdmntundjbvz6y3lcyldfmu1vbejesuzzeulgqkvsbda=t3b0axrlecaxnsayienyywnridmt3b&prophoto.junkies=longsunIn 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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