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://findthisall.com/eyebrow/?exhibitionists&primelocation=TmFydXRvIFNlYXNvbiAxIEZ1bGwgRXBpc29kZXMgRW5nbGlzaATmF&generic=ZG93bmxvYWR8dTMzZW1wak5ueDhNVFkxT0RJeE9UUTNNM3g4TWpVNU1IeDhLRTBwSUZkdmNtUndjbVZ6Y3lCYldFMU1VbEJESUZZeUlGQkVSbDA PDF link annotation

  • https://www.sanitea.com/wp-content/uploads/tanrayn.pdfIn PDF document text
  • https://www.onlineusaclassified.com/advert/kodak-preps-8-4-0-torrent/In PDF document text
  • https://houstonhousepc.com/kolor-panotour-pro-2-5-2-keygenl-updated/In PDF document text
  • https://www.markeritalia.com/2022/07/29/inna-preteen-model-work/In PDF document text
  • https://turn-key.consulting/2022/07/28/adnan-sami-video-songs-in-hd-1080p/In PDF document text
  • https://villamaremonti.com/wp-content/uploads/2022/07/winkochan_studio_85_crack_e_seril4shared69.pdfIn PDF document text
  • http://steelcurtain.club/wp-content/uploads/2022/07/ylanbaku.pdfIn PDF document text
  • https://merkaz-shefer.org/wp-content/uploads/2022/07/mathcad_prime_20_license_crack_key.pdfIn PDF document text
  • https://rbics.net/wp-content/uploads/2022/07/haswas.pdfIn PDF document text
  • http://amnar.ro/?p=22703In PDF document text
  • https://www.manchuela.wine/wp-content/uploads/2022/07/phyelee.pdfIn PDF document text
  • https://ayusya.in/kabhi-alvida-naa-kehna-movie-in-hindi-new-free-download-hd/In PDF document text
  • https://droplega.com/wp-content/uploads/2022/07/Walker_Building_Estimator_Reference_Book_Free_LINK_Download.pdfIn PDF document text
  • http://www.landtitle.info/draftsight-2019-crack-full-keys-free-download-install/In PDF document text
  • https://themindfulpalm.com/solucionario-ingenieria-economica-degarmo-new/In PDF document text
  • http://www.male-blog.com/2022/07/28/autodesk-inventor-professional-2020-2-1-crack-extra-quality/In PDF document text
  • https://www.bourbee.com/wp-content/uploads/2022/07/kaymar.pdfIn PDF document text
  • https://globaldatainsights.com/powerpoint2003freetop-downloadfullversionforwindows7/In PDF document text
  • https://studiolegalefiorucci.it/2022/07/29/avid-media-composer-6-5-4-torrent-top-crack/In PDF document text
  • https://havtornensrige.dk/wp-content/uploads/Virtual_Dj_System_Unstable_Because_Of_Crack_Installed_42_WORK.pdfIn PDF document text
  • http://findthisall.com/eyebrow/?exhibitionists&primelocation=tmfydxrvifnlyxnvbiaxiez1bgwgrxbpc29kzxmgrw5nbglzaatmf&generic=zg93bmxvywr8dtmzzw1wak5uedhnvfkxt0rjee9uutnnm3g4twpvnu1iedhlrtbwsuzkdmntundjbvz6y3lcyldfmu1vbejesuzzeulgqkvsbdaIn PDF document text
  • http://www.landtitle.info/draftsigh…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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