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://godsearchs.com/tornado.compupay.faye/fundraisers.YWRvYmUgYXVkaXRpb24gY3M2IGFtdGxpYi5kbGwgY3JhY2sgZG93bmxvYWQYWR.gradation.incalculable/leuven.ZG93bmxvYWR8aGI3TVRBeWR6QjhmREUyTmpJMk9EQXpPVEI4ZkRJMU9UQjhmQ2hOS1NCWGIzSmtjSEpsYzNNZ1cxaE5URkpRUXlCV01pQlFSRVpk PDF link annotation

  • http://www.happytraveler.it/wp-content/uploads/2022/09/Motoresdeautomoviljovajpdf.pdfIn PDF document text
  • https://www.jbdsnet.com/wp-content/uploads/2022/09/generals_zero_hour_reborn_the_last_stand_v50_trainer.pdfIn PDF document text
  • https://tvlms.com/wp-content/uploads/2022/09/HD_Online_Player_DLNow_Video_Downloader_13720180910_Multilingual_Full_With_Me_LINK_Crack.pdfIn PDF document text
  • https://www.readbutneverred.com/wp-content/uploads/2022/09/quawmaxi.pdfIn PDF document text
  • https://biotechyou.com/pc-rapelay-240-mods-eng-mediafire-zip/In PDF document text
  • https://www.distributorbangunan.com/hd-online-player-steve-jobs-movie-torrent-download-newgol/In PDF document text
  • https://elektrobest.de/wp-content/uploads/2022/09/zanter.pdfIn PDF document text
  • http://www.aceportocolom.org/wp-content/uploads/2022/09/imblato.pdfIn PDF document text
  • https://cityguide.ba/wp-content/uploads/2022/09/YTD_Video_Downloader_Pro_5913_Crack_With_Product_Key_Free_Do.pdfIn PDF document text
  • https://www.hradkacov.cz/wp-content/uploads/2022/09/Sonicacademyanalicensefile.pdfIn PDF document text
  • https://72bid.com?password-protected=loginIn PDF document text
  • https://www.iroschool.org/wp-content/uploads/2022/09/warwgill.pdfIn PDF document text
  • http://www.studiofratini.com/redfactionarmageddonsoundtracktorrentbest-downloadaddons/In PDF document text
  • https://www.sb20ireland.com/advert/pc-games-mortal-kombat-4-zip-mod/In PDF document text
  • https://wanoengineeringsystems.com/patoruzu-libro-de-oro-1960-pdf-rar-verified/In PDF document text
  • https://www.cnaclassnorthernva.com/wp-content/uploads/2022/09/Nokia_E5_Software_Update_101003_Download_BEST.pdfIn PDF document text
  • http://www.teploobmenka.ru/advert/teploobmennik-titanovyj/In PDF document text
  • https://stepmomson.com/wp-content/uploads/2022/09/Ufcundisputed_3_Pc_The_Pirate_Bay.pdfIn PDF document text
  • https://news.mtkenya.co.ke/advert/hd-online-player-the-return-of-rebel-hindi-dubbed-mov-new/In PDF document text
  • https://thelandofthemisfitsouls.com/wp-content/uploads/2022/09/bevimant.pdfIn PDF document text
  • https://www.jbdsnet.com/wp-In PDF document text
  • https://tvlms.com/wp-content/uploads/2022/09/HD_Online_Player_DLNow_Video_Downloader_13720180910_MulIn PDF document text
  • https://cityguide.ba/wp-In PDF document text
  • https://www.cnaclassnorthernva.com/wp-In PDF document text
  • http://godsearchs.com/tornado.compupay.faye/fundraisers.ywrvymugyxvkaxrpb24gy3m2igftdgxpyi5kbgwgy3jhy2sgzg93bmxvywqywr.gradation.incalculable/leuven.zg93bmxvywr8agi3tvrbewr6qjhmreuytmpjmk9eqxppvei4zkrjmu9uqjhmq2hos1ncwgizsmtjsepsyznnz1cxae5urkpruxlcv01pqlfsrvpkIn PDF document text
  • https://cityguide.ba/wp-content/uploads/2022/09/ytd_video_downloader_pro_5913_crack_with_product_key_free_do.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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