Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://lehmanbrotherbankruptcy.com/amazonas/cautionary.conquer/thoroughly/ZG93bmxvYWR8bUgxZW5BNE5ueDhNVFkxTmpjM01UZ3hPSHg4TWpVNU1IeDhLRTBwSUZkdmNtUndjbVZ6Y3lCYldFMU1VbEJESUZZeUlGQkVSbDA/eGZvcmNlIGtleWdlbiBSb2JvdCBTdHJ1Y3R1cmFsIEFuYWx5c2lzIFByb2Zlc3Npb25hbCAyMDE0IGRvd25sb2FkeGZ...scattershot/ PDF link annotation

  • https://www.knightwood.com/system/files/webform/cvs/Spectrasonics--Omnisphere-10-VSTiRTASAU-WINOSX-x86-x64.pdfIn PDF document text
  • https://www.mil-spec-industries.com/system/files/webform/reenlat636.pdfIn PDF document text
  • http://www.360sport.it/advert/nissan-data-scan-2-crack-full-__top__-12l/In PDF document text
  • http://groottravel.com/?p=10781In PDF document text
  • https://firmy.radom.pl/advert/sonic-heroes-direct-play-full-fixed-game-adventure-classic/In PDF document text
  • https://www.indoshoot.com/wp-content/uploads/2022/07/nefecorw.pdfIn PDF document text
  • https://attitude.ferttil.com/upload/files/2022/07/McZyaECXPPFAgQDX4hHx_03_07eedbbd7417989c1ac1d21987cae760_file.pdfIn PDF document text
  • https://heidylu.com/rs-r75-download-__full__/In PDF document text
  • https://over-the-blues.com/advert/matlab-r2012b-torrent/In PDF document text
  • https://www.thiruvalluvan.com/2022/07/03/harshbarger-reynolds-matematicas-aplicadas-pdf-18/In PDF document text
  • https://huetten24.com/rugby-league-team-manager-2015-download-without-license-keyl-top/In PDF document text
  • http://alkahfisomalangu.id/?p=4258In PDF document text
  • https://www.mscmotocross.com/wp-content/uploads/2022/07/Sandeep_Garg_Economics_Class_12epub.pdfIn PDF document text
  • https://www.ulethbridge.ca/system/files/webform/alot/prepricana-lektira-moj-deka-je-bio-tresnjarar.pdfIn PDF document text
  • https://emiratesoptical.net/plesk-webbuilder-download-fix/In PDF document text
  • https://gf-tunenoe.dk/wp-content/uploads/2022/07/adanqua.pdfIn PDF document text
  • https://churchillcat.com/wp-content/uploads/2022/07/Harry_Potter_Dan_Batu_Bertuah_Pdf.pdfIn PDF document text
  • https://www.marshfield-ma.gov/sites/g/files/vyhlif3416/f/pages/final_fy23_budget_presentation_powerpoint.pdfIn PDF document text
  • https://www.realvalueproducts.com/sites/realvalueproducts.com/files/webform/civil-3d-2016-keygen-only-xforce-3-rar.pdfIn PDF document text
  • http://lehmanbrotherbankruptcy.com/amazonas/cautionary.conquer/thoroughly/zg93bmxvywr8bugxzw5bne5uedhnvfkxtmpjm01uz3hpshg4twpvnu1iedhlrtbwsuzkdmntundjbvz6y3lcyldfmu1vbejesuzzeulgqkvsbda/egzvcmnligtlewdlbibsb2jvdcbtdhj1y3r1cmfsiefuywx5c2lzifbyb2zlc3npb25hbcaymde0igrvd25sb2fkegz...scattershot/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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