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.
• PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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 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/billiton/blinking?ZG93bmxvYWR8SW83TVRoamMyTjhmREUyTmpJMk9EQXpPVEI4ZkRJMU9UQjhmQ2hOS1NCWGIzSmtjSEpsYzNNZ1cxaE5URkpRUXlCV01pQlFSRVpk=a3JyaXNoIDMgZnVsbCBoZCA3MjBwIG1vdmllIGRvd25sb2Fka3J/datum&elise=podiatry PDF link annotation

  • https://tcv-jh.cz/advert/xpadder-v2012-01-19-multilingual-retail-walmart-download-pc-top/In PDF document text
  • https://medicilearningit.com/friend-request-full-movie-free-patched-download-in-mp4/In PDF document text
  • https://www.iscribble.org/wp-content/uploads/2022/09/ualpant.pdfIn PDF document text
  • https://bullygirlmagazine.com/advert/cosmologia-fisica-jordi-cepa-pdf-40-updated/In PDF document text
  • http://www.gualandimeccanica.it/wp-content/uploads/2022/09/yevnis-1.pdfIn PDF document text
  • http://fisher65.ru/wp-content/uploads/2022/09/keyframe_animation_for_sketchup_crack_torrent_link.pdfIn PDF document text
  • https://ssmecanics.com/boom-3d-1-3-4-cracked-for-macos-exclusive/In PDF document text
  • https://houstonhousepc.com/reema-thareja-computer-fundamentals-and-programming-in-c-pdf-130/In PDF document text
  • https://brutalrecords.com/coming-soon/In PDF document text
  • http://adomemorial.com/2022/09/12/olddebonairmagazinepdfdownload-__full__-3/In PDF document text
  • https://mugnii.com/wp-content/uploads/2022/09/yorikaa.pdfIn PDF document text
  • https://www.talkmoreafrica.com/wp-content/uploads/2022/09/Zaapa_Zbta3130_Bluetooth_Mini_Usb_Driver_Fix.pdfIn PDF document text
  • https://jodeyo.com/advert/mortal-kombat-legacy-rar-free-download-verified/In PDF document text
  • https://swapandsell.net/2022/09/12/print2rdp-5-23-with-serial/In PDF document text
  • https://boipuka.com/2022/09/12/naruto-the-setting-dawn-little-fighter-25-_verified_-download/In PDF document text
  • https://blagik.com/wp-content/uploads/2022/09/smartdraw_2013_enterprise_edition_with_keygen_passwords.pdfIn PDF document text
  • http://sagitmymindasset.com/?p=26444In PDF document text
  • https://ig-link.com/creo-parametric-2-0-torrent-__exclusive__-crack/In PDF document text
  • https://jwmarine.org/construct-2-license-file-top/In PDF document text
  • https://sandyssayings.com/wp-content/uploads/2022/09/WinthrusterClaveDeLicenciarar-1.pdfIn PDF document text
  • http://fisher65.ru/wp-In PDF document text
  • https://www.talkmoreafrica.com/wp-In PDF document text
  • https://blagik.com/wp-In PDF document text
  • http://signforcover.com/billiton/blinking?zg93bmxvywr8sw83tvroammytjhmreuytmpjmk9eqxppvei4zkrjmu9uqjhmq2hos1ncwgizsmtjsepsyznnz1cxae5urkpruxlcv01pqlfsrvpk=a3jyaxnoidmgznvsbcbozca3mjbwig1vdmlligrvd25sb2fka3j/datum&elise=podiatryIn 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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