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://hardlyfind.com/poplulation/cecil.UHV6emxlIFBpcmF0ZXMgQmlsZ2UgQm90IERvd25sb2FkUHV?etre=failover?objectieve=ZG93bmxvYWR8alE5YkdscE5IeDhNVFkxT0RJeE9UUTNNM3g4TWpVNU1IeDhLRTBwSUZkdmNtUndjbVZ6Y3lCYldFMU1VbEJESUZZeUlGQkVSbDA PDF link annotation

  • https://www.vedraivedrai.eu/wp-content/uploads/2022/07/burnout_3_takedown_for_pc_full_version_highly_compressed.pdfIn PDF document text
  • https://smartsizebuildings.com/advert/windows-10-pro-redstone-5-x64-mar-2019-torrent/In PDF document text
  • https://www.vakantiehuiswinkel.nl/idm-crack-6-36-build-1-november-2020-full-retail-download-top/In PDF document text
  • https://www.blackhistoryinthebible.com/wp-content/uploads/2022/07/BustedDiscography20022003iTunesPlusAACM4A_NEW.pdfIn PDF document text
  • https://news.mtkenya.co.ke/advert/ipvideosystemdesigntoolportable-crackkeygen/In PDF document text
  • https://musclesquadron.com/wp-content/uploads/2022/07/Command_Conquer_The_First_Decade_ISO_Keygen_HOT_Crack_12_C_C_Gam_rar.pdfIn PDF document text
  • https://www.cooks.am/wp-content/uploads/2022/07/The_Jungle_Book_Hindi_Mowgli__All_Episodes__1_To_52___By_Jok3r_REPACK.pdfIn PDF document text
  • http://curriculocerto.com/?p=34594In PDF document text
  • https://kooperativakosjeric.rs/wp-content/uploads/2022/07/They_Are_Billions_v092_CPY.pdfIn PDF document text
  • https://tranddrive.com/wp-content/uploads/2022/07/veliki_narodni_kuvar_pdf_download.pdfIn PDF document text
  • https://securetranscriptsolutions.com/wp-content/uploads/2022/07/wu_bug_software_free_download.pdfIn PDF document text
  • https://www.bg-frohheim.ch/bruederhofweg/advert/office-2019-kms-activator-ultimate-v1-0-full-crack-latest-hot-free-download/In PDF document text
  • https://1w74.com/__hot__-download-callanetics-dvd/In PDF document text
  • https://offbeak.com/wp-content/uploads/2022/07/dashrud.pdfIn PDF document text
  • http://www.bayislistings.com/wp-content/uploads/2022/07/Malwarebytes_AntiMalware_Premium_2021012_Final_Keys_Download.pdfIn PDF document text
  • https://cryptotalkcentral.com/wp-content/uploads/2022/07/CRRedist2008x86esmsidownload_EXCLUSIVE.pdfIn PDF document text
  • http://srilankapropertyhomeandland.com/wp-content/uploads/2022/07/HD_Online_Player_You_Don_T_Mess_With_The_Zohan_Unrated_Bluray_1080p_Extra_Quality.pdfIn PDF document text
  • https://www.2tmstudios.com/hd-online-player-fly-girls-720p/In PDF document text
  • https://jbmparish.com/photo-galleries/world-war-z-undead-sea-update-v1-21-better-crackfix-codexIn PDF document text
  • https://kidswheelsllc.com/wp-content/uploads/2022/07/kalhau.pdfIn PDF document text
  • http://hardlyfind.com/poplulation/cecil.uhv6emxlifbpcmf0zxmgqmlsz2ugqm90iervd25sb2fkuhv?etre=failover?objectieve=zg93bmxvywr8ale5ykdsce5iedhnvfkxt0rjee9uutnnm3g4twpvnu1iedhlrtbwsuzkdmntundjbvz6y3lcyldfmu1vbejesuzzeulgqkvsbdaIn PDF document text
  • https://www.vakantiehuiswinkel.nl/idm-crack-6-36-build-1-november-2020-full-retail-downloadIn PDF document text
  • https://musclesquadron.com/wp-content/uploads/2022/07/command_conquer_the_first_decade_iso_keygen_hot_crack_12_c_c_gam_rar.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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