Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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/layperson/baggage/batu/?ZG93bmxvYWR8TTQxTVRKdE9XUjhmREUyTlRRNE9UTXhPVEY4ZkRJMU9UQjhmQ2hOS1NCWGIzSmtjSEpsYzNNZ1cxaE5URkpRUXlCV01pQlFSRVpk/ascon/ZmlnaHRpbmdraWRzIGR2ZCA0OTMuMjEZml PDF link annotation

  • https://www.sacampsites.co.za/advert/cdcheckv31140registrationkeyrar/In PDF document text
  • https://cb4.travel/wp-content/uploads/2022/06/Paragon_Alignment_Tool_40_Professionalrar.pdfIn PDF document text
  • https://cap-hss.online/huawei-clone-r1000-flash-file-mt6572-nand-hang-on-logo-lcd-fix-firmware/In PDF document text
  • https://awamagazine.info/advert/download-the-longest-yard-full-movie-in-hindi/In PDF document text
  • https://ejenvie.com/wp-content/uploads/2022/06/verdwini.pdfIn PDF document text
  • https://guaraparadise.com/2022/06/11/bachna-ae-haseeno-2008-hindi-1080p-blu-ray-x264-dd-5-1-msubs-masti/In PDF document text
  • https://silkfromvietnam.com/star-trek-the-next-generation-wav/In PDF document text
  • https://eqcompu.com/wp-content/uploads/2022/06/karmbene.pdfIn PDF document text
  • https://dailyjaguar.com/wp-content/uploads/2022/06/Crack_GTA_IV_Patch_1080_Razor1911_Mega.pdfIn PDF document text
  • https://www.iofreelancer.com/wp-content/uploads/2022/06/Invion_Gps_4v223_Iit_Update.pdfIn PDF document text
  • https://www.magicalcambodia.com/wp-content/uploads/2022/06/ElsaWin_v40_Full_Pack_Volkswagen_032012_Audi_022012_Seat_012-1.pdfIn PDF document text
  • http://pontienak.com/ice-cream/alomware-reset-3-09-1-crack-serial-key-download-free-exclusive/In PDF document text
  • https://jasonstillmusic.com/wp-content/uploads/2022/06/annfely.pdfIn PDF document text
  • https://babussalam.id/ecx-rc2-powerlevel-changer-download-upd/In PDF document text
  • https://hard-times.us/wp-content/uploads/2022/06/Qarib_Qarib_Singlle_Movie_Download_In_Bluray_Torrent.pdfIn PDF document text
  • http://formeetsante.fr/call-of-duty-black-ops-2-highly-compressed-top/In PDF document text
  • https://ideaboz.com/?p=15454In PDF document text
  • https://fitadina.com/2022/06/11/efilm-workstation-top-keygen-3-4-by-ssg-kaelyn/In PDF document text
  • https://www.zoekplein.be/wp-content/uploads/2022/06/1001bit_Pro_V2_2_Cracked_VERIFIED.pdfIn PDF document text
  • https://madreandiscovery.org/fauna/checklists/checklist.php?clid=26063In PDF document text
  • http://evacdir.com/layperson/baggage/batu/?zg93bmxvywr8ttqxtvrkde9xujhmreuytlrrne9utxhpvey4zkrjmu9uqjhmq2hos1ncwgizsmtjsepsyznnz1cxae5urkpruxlcv01pqlfsrvpk/ascon/zmlnahrpbmdrawrzigr2zca0otmumjezmlIn PDF document text
  • https://babussalam.id/ecx-rc2-powerlevel-changer-do…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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