Malicious PDF — malware analysis report

Heuristics 10

• 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.
• Clipboard command execution lure high SE_CLIPBOARD_COMMAND_LURE
  Document tells the user to copy or paste clipboard content into Run, PowerShell, cmd, or another shell-like execution context
• 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.
• 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://find24hs.com/ZG93bmxvYWR8U0MwYTI0d1kzeDhNVFkxTmpjM01UZ3hPSHg4TWpVNU1IeDhLRTBwSUZkdmNtUndjbVZ6Y3lCYldFMU1VbEJESUZZeUlGQkVSbDA/anandamide.frazee/QW5kIFN0YW5kYXJkIFZHQSBHcmFwaGljcyBBZGFwdGVyIERyaXZlciBXaW5kb3dzIDcgNjQgQml0IFppcAQW5=easyexercisetips/dickens.murmelrat PDF link annotation

  • https://rakyatmaluku.id/upload/files/2022/07/ykSbdDdofD3ZmhN4vrDA_03_844c126c955f890df7eae6fd65826be8_file.pdfIn PDF document text
  • http://www.africainquirer.com/activation-file-delphi-2010-slip-extra-quality/In PDF document text
  • https://x-streem.com/upload/files/2022/07/rx74ghdmX1l3MNmAZhJo_03_844c126c955f890df7eae6fd65826be8_file.pdfIn PDF document text
  • https://www.jeenee.net/upload/files/2022/07/u1fMb8nceVcmRjSFeJ1n_03_053b5f52d445df67499b08549ff5eaa3_file.pdfIn PDF document text
  • https://sugaringspb.ru/rika-nishimura-friends-iv-rar-41/In PDF document text
  • https://www.thepostermafia.com/wp-content/uploads/2022/07/elenprym.pdfIn PDF document text
  • https://malaysiafoodandtravel.com/wp-content/uploads/2022/07/yamygia.pdfIn PDF document text
  • http://escortguate.com/ereadrone-the-fpv-simulator-full-crack-xforce-keygen-patched/In PDF document text
  • http://goldeneagleauction.com/?p=44724In PDF document text
  • https://tutorizone.com/resident-evil-remake-pc-full-hot-torrent/In PDF document text
  • http://www.flexcompany.com.br/flexbook/upload/files/2022/07/MDYQZah3ukF5pClRdIvq_03_844c126c955f890df7eae6fd65826be8_file.pdfIn PDF document text
  • https://ebbsarrivals.com/2022/07/03/red-alert-3-uprising-maps-pack-download-hot/In PDF document text
  • https://demo.takewp.com/listing/tpg-explore/advert/adobeanimatecc20193365preactivateddownload-link/In PDF document text
  • https://duolife.academy/crack-civil-3d-2009-key-verified/In PDF document text
  • https://vukau.com/upload/files/2022/07/QyOSDtHNTXkmHGfb7Jtt_03_844c126c955f890df7eae6fd65826be8_file.pdfIn PDF document text
  • https://www.lion.tech/wp-content/uploads/2022/07/avast_4_Professionaleng_arabic_crack_free_download.pdfIn PDF document text
  • https://www.agisante.com/sites/default/files/webform/prey-102-patch-download.pdfIn PDF document text
  • https://www.townofguilderland.org/sites/g/files/vyhlif7546/f/uploads/tawasentha_trail_map.pdfIn PDF document text
  • https://intrendnews.com/hhd-on-line-participant-satya-harischandra-telugu-film-down/In PDF document text
  • https://vincyaviation.com/adobe-acrobat-pro-dc-2018-009-20050-pre-work-cracked-keygen/In PDF document text
  • http://find24hs.com/zg93bmxvywr8u0mwyti0d1kzedhnvfkxtmpjm01uz3hpshg4twpvnu1iedhlrtbwsuzkdmntundjbvz6y3lcyldfmu1vbejesuzzeulgqkvsbda/anandamide.frazee/qw5kifn0yw5kyxjkifzhqsbhcmfwagljcybbzgfwdgvyieryaxzlcibxaw5kb3dzidcgnjqgqml0ifppcaqw5=easyexercisetips/dickens.murmelratIn 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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