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://signforcover.com/ardent/sherpa?ZG93bmxvYWR8S0k2ZURBeGEzeDhNVFkyTWpZNE1ETTVNSHg4TWpVNU1IeDhLRTBwSUZkdmNtUndjbVZ6Y3lCYldFMU1VbEJESUZZeUlGQkVSbDA=/iggo/SEQgT25saW5lIFBsYXllciAodmlkZW8gY29tcGFyZXIgMSAwNiBrZXlnZW4gMTA0KQSEQ/footbath/islamabad/makeda/ PDF link annotation

  • http://www.giffa.ru/uncategorized/respironics-encore-pro-1-8-iso-utorrent-new/In PDF document text
  • http://www.gambians.fi/windows-xp-phone-activation-keygen-36-repack/fund-raising/In PDF document text
  • http://dealskingdom.com/nba-live-07-pc-game-free-download-top-full-version-torrent/In PDF document text
  • https://toilesdusoleil-montpellier.com/wp-content/uploads/2022/09/Tecnica_Razionale_Massimo_Varini_Pdf_23_2021.pdfIn PDF document text
  • https://rabota-ya.ru/wp-content/uploads/2022/09/dalyyit.pdfIn PDF document text
  • https://mzansiescorts.com/wp-content/uploads/2022/09/plajana.pdfIn PDF document text
  • https://atompublishing.info/840d-sl-toolbox-7-4-downloadl-cracked-4/In PDF document text
  • https://www.vacanzenelcilento.info/wp-content/uploads/2022/09/Nativeinstrumentsmaschine2factorylibraryv100hybrid.pdfIn PDF document text
  • http://iselinfamilylaw.com/supernatural-season-6-720p-kickass-224-exclusive/In PDF document text
  • http://kinectblog.hu/skalp-for-sketchup-crack-free-top.htmlIn PDF document text
  • http://texocommunications.com/xstoryplayer-2-1-crack-link/In PDF document text
  • http://stealthilyhealthy.com/dibac-for-sketchup-2015-crack-full-version-portable/In PDF document text
  • http://oneteamacademy.com/wp-content/uploads/2022/09/fulbjai.pdfIn PDF document text
  • https://ayusya.in/adobe-after-effects-keylight-plugin-free-download-_hot_/In PDF document text
  • https://thekeymama.foundation/wp-content/uploads/2022/09/Baarish_Hd_Video_1080p_Download_Torrent_PORTABLE.pdfIn PDF document text
  • http://fajas.club/?p=61209In PDF document text
  • http://nii-migs.ru/?p=21454In PDF document text
  • http://berlin-property-partner.com/?p=53021In PDF document text
  • https://africantoursguide.com/adobe-acrobat-xi-pro-12-0-23-final-crack-keygen-portable/In PDF document text
  • https://www.ahaspora.com/wp-content/uploads/2022/09/Hydro_Pneumatic_Cylinder_Working_Principle_Pdf_34.pdfIn PDF document text
  • http://signforcover.com/ardent/sherpa?zg93bmxvywr8s0k2zurbegezedhnvfkytwpzne1ettvnshg4twpvnu1iedhlrtbwsuzkdmntundjbvz6y3lcyldfmu1vbejesuzzeulgqkvsbda=/iggo/seqgt25saw5lifbsyxllciaodmlkzw8gy29tcgfyzxigmsawnibrzxlnzw4gmta0kqseq/footbath/islamabad/makeda/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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