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/ZG93bmxvYWR8UUw5TVhnd1pIeDhNVFkxTlRnME1qazRNWHg4TWpVNU1IeDhLRTBwSUZkdmNtUndjbVZ6Y3lCYldFMU1VbEJESUZZeUlGQkVSbDA/ballerina/impactions/QnVpbGRCb3ggMy4zLjYgQnVpbGQgMTMxNSAoeDg2eDY0KSBJbmNsIEFjdGl2YXRvciA2NCBCaXQQnV.bankrupted?endoscope.loaner=sexualproblemshelp PDF link annotation

  • http://myequipmentfunder.com/wp-content/uploads/2022/06/yevwend.pdfIn PDF document text
  • http://www.delphineberry.com/?p=8133In PDF document text
  • http://www.ecomsrl.it/sp-driver-v2-0-install-rar/In PDF document text
  • https://teko.my/upload/files/2022/06/fBKnvUNErBbTQM9gJnYH_21_138150c4b31d65309fcfbac670c4202f_file.pdfIn PDF document text
  • http://www.antiquavox.it/trapcode-sound-keys-1-4-full-repack-crack/In PDF document text
  • https://paintsghana.com/advert/call-of-duty-infinite-warfare-mp-leaderflex-cracked-for-offline/In PDF document text
  • https://pollynationapothecary.com/wp-content/uploads/2022/06/pererea.pdfIn PDF document text
  • http://leasevoordeel.be/wp-content/uploads/2022/06/Movavi_Video_Editor_1541_Crack_Plus_Activation_Key_2020.pdfIn PDF document text
  • https://www.rockportma.gov/sites/g/files/vyhlif1141/f/uploads/parking-shuttle_info_and_hours_2018.pdfIn PDF document text
  • http://villa-mette.com/?p=25994In PDF document text
  • https://cambodiaonlinemarket.com/wrc-3-fia-world-rally-championship-complete-edition-free/In PDF document text
  • https://khakaidee.com/percy-jackson-sea-of-monsters-ipad-2013-subtitle-rar/In PDF document text
  • https://cryptic-ocean-76745.herokuapp.com/strand7fullversioncrack.pdfIn PDF document text
  • https://farmaciacortesi.it/sailawaythesailingsimulatorcrackserialkey-install/In PDF document text
  • https://greenteam-rds.com/disk-drill-pro-2-1-378-crack-updl/In PDF document text
  • https://eaglehoisting.net/wp-content/uploads/2022/06/Assassins_Creed_IV_Black_Flag_on_Steam__Help__Cheatstutorials.pdfIn PDF document text
  • https://cefcredit.com/sony-acid-pro-4-0-keygen-download-crack-__link__/In PDF document text
  • http://yotop.ru/wp-content/uploads/2022/06/gayjam.pdfIn PDF document text
  • https://flagonsworkshop.net/upload/files/2022/06/LGW6bRP8bVYWiqWzMMtz_21_138150c4b31d65309fcfbac670c4202f_file.pdfIn PDF document text
  • https://www.2tmstudios.com/makroekonomi-mankiw-edisi-6-pdf-repack-download/In PDF document text
  • http://evacdir.com/zg93bmxvywr8uuw5tvhnd1piedhnvfkxtlrnme1qazrnwhg4twpvnu1iedhlrtbwsuzkdmntundjbvz6y3lcyldfmu1vbejesuzzeulgqkvsbda/ballerina/impactions/qnvpbgrcb3ggmy4zljygqnvpbgqgmtmxnsaoedg2edy0ksbjbmnsiefjdgl2yxrvcia2ncbcaxqqnv.bankrupted?endoscope.loaner=sexualproblemshelpIn PDF document text
  • http://leasevoordeel.be/wp-content/uploads/2022/06/movavi_video_editor_1541_crack_plus_activation_key_2020.pdfIn 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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