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://awarefinance.com/reenlisted/chat/Z29vZmJhbGxnb2Fsc3NvY2NlcnNpbXVsYXRvcmxpY2Vuc2VrZXkZ29/furhter.mutineer.mercukundo/ZG93bmxvYWR8d1c1TVRobk9YaDhmREUyTlRnd01EWTJPVGw4ZkRJMU9UQjhmQ2hOS1NCWGIzSmtjSEpsYzNNZ1cxaE5URkpRUXlCV01pQlFSRVpk.nsclc.snoek PDF link annotation

  • http://www.hva-concept.com/flash-memory-toolkit-201-full-version-serial-number-rar-download-full/In PDF document text
  • http://www.rixridy.com/?p=29844In PDF document text
  • http://greenboxoffice.ro/?p=109155In PDF document text
  • https://thoitranghalo.com/wp-content/uploads/2022/07/nabgita.pdfIn PDF document text
  • https://maisonrangee.com/wp-content/uploads/2022/07/xilisoft_audio_converter_pro_65_keygen_15.pdfIn PDF document text
  • http://nextgenbioproducts.com/?p=23396In PDF document text
  • http://findmallorca.com/kaspersky-secure-connection-20-0-14-1085-crack-with-activation-code-2020-top/In PDF document text
  • https://africantoursguide.com/wp-content/uploads/2022/07/kv_ladder_builder_software_crack_download.pdfIn PDF document text
  • https://diontalent.nl/2022/07/19/hxc-dongle-smart-card-driver-34-portable/In PDF document text
  • https://negociosinmobiliariosdemexico.com/wp-content/uploads/2022/07/overgol-1.pdfIn PDF document text
  • http://getpress.hu/blog/vreme-smrti-dobrica-cosic-pdf-download-new/In PDF document text
  • https://marijuanabeginner.com/movavi-video-editor-plus-20-1-0-win-mac-portable-��/In PDF document text
  • https://apnapost.com/wp-content/uploads/2022/07/Keygen_Para_Profit_Plus_2k8.pdfIn PDF document text
  • http://fiskenaesbaadlaug.dk/?p=6098In PDF document text
  • https://alumbramkt.com/windows-10-digital-license-ultimate-1-6-final-update-10-21-2019/In PDF document text
  • https://www.jbdsnet.com/wp-content/uploads/2022/07/astras.pdfIn PDF document text
  • http://joshuatestwebsite.com/download-topcrazyfrogracer2fullversion/In PDF document text
  • https://72bid.com?password-protected=loginIn PDF document text
  • https://ajkersebok.com/crack-keygen-smoke-2019-link/In PDF document text
  • http://awarefinance.com/reenlisted/chat/z29vzmjhbgxnb2fsc3nvy2nlcnnpbxvsyxrvcmxpy2vuc2vrzxkz29/furhter.mutineer.mercukundo/zg93bmxvywr8d1c1tvrobk9yadhmreuytlrnd01ewtjpvgw4zkrjmu9uqjhmq2hos1ncwgizsmtjsepsyznnz1cxae5urkpruxlcv01pqlfsrvpk.nsclc.snoekIn PDF document text
  • https://skilled-space.sfo2.digitaloceanspaces.com/2022/07/JetBrains_CLion_20192_Crack_License_Key_BEST_Free_Download.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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