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 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://evacdir.com/electrodes/corylus.crams?cryptogenic=ZG93bmxvYWR8WG4xTjNocmVIeDhNVFkxTkRnNU16RTVNWHg4TWpVNU1IeDhLRTBwSUZkdmNtUndjbVZ6Y3lCYldFMU1VbEJESUZZeUlGQkVSbDA.TmJhIDJrMTQgTXkgUGxheWVyIENyYXNoIFBjTmJ.sheaths.hyoid.witold PDF link annotation

  • https://elstruplaug.dk/wp-content/uploads/bervra.pdfIn PDF document text
  • https://ubipharma.pt/2022/06/11/xrumer-7012-elite-hrefer-385-link-crack-new-clean-link-crack/In PDF document text
  • https://horley.life/despicable-me-3-english-2015-hindi-720p-torrentl/In PDF document text
  • https://www.cateringguiden.no/wp-content/uploads/2022/06/toxicologia_clinica_miguel_angel_montoya_pdf_download.pdfIn PDF document text
  • http://tradefrat.com/upload/files/2022/06/B1eD21G3cWCsKYbjb8Un_11_7d305021392d9bec5b24aa2f949d4729_file.pdfIn PDF document text
  • https://shiphighline.com/red-giant-trapcode-suite-16-2-7-key-for-windows-crack-rar-top/In PDF document text
  • https://www.herbariovaa.org/checklists/checklist.php?clid=33950In PDF document text
  • https://yooyi.properties/wp-content/uploads/2022/06/jahsnic.pdfIn PDF document text
  • http://balancin.click/wp-content/uploads/2022/06/Nihongo_Shokyu_Daichi_Pdf_21_Unterlagen_Sharing_P.pdfIn PDF document text
  • https://www.wqrlradio.com/advert/666-69696969-keygen-best/In PDF document text
  • https://ksycomputer.com/wp-content/uploads/2022/06/Ecut_5_Keygen_2021_For_Corel_X5.pdfIn PDF document text
  • https://honorrolldelivery.com/wp-content/uploads/2022/06/Alice_in_Wonderland__Full_PreCracked__Foxy_Games_game_downlo.pdfIn PDF document text
  • https://social111.s3.amazonaws.com/upload/files/2022/06/dMS5C5QfChBgESw8hAvv_11_7b3f528fb2f16aa22c2cad6201a8d435_file.pdfIn PDF document text
  • https://sokhanedoost.com/easeus-data-recovery-wizard-12-9-crack-keygen-repack-license-code-is-here/In PDF document text
  • https://bravahost.com/blog/2022/06/11/techsmith-camtasia-2018-0-3-build-3747-x64-keygen-better-rar/In PDF document text
  • http://formeetsante.fr/wp-content/uploads/Jason_And_The_Argonauts_1963_Full_Movie_Download.pdfIn PDF document text
  • https://harneys.blog/wp-content/uploads/2022/06/kirzen.pdfIn PDF document text
  • http://www.midwestmakerplace.com/?p=13864In PDF document text
  • https://www.garten-hro.de/advert/driver-finder-3-8-0-install-crack/In PDF document text
  • https://mugvn.s3.amazonaws.com/upload/files/2022/06/6lqAdMBuT7regIzHW54h_11_7b3f528fb2f16aa22c2cad6201a8d435_file.pdfIn PDF document text
  • https://honorrolldelivery.com/wp-In PDF document text
  • https://social111.s3.amazonaws.com/upload/files/2022/06/dMS5C5QfChBgESw8hAvv_11_7b3f528fb2f16aa22c2cad6201a8d4In PDF document text
  • https://mugvn.s3.amazonaws.com/upload/files/2022/06/6lqAdMBuT7regIzHW54h_11_7b3f528fb2f16aa22c2cad6201a8d435_In PDF document text
  • http://evacdir.com/electrodes/corylus.crams?cryptogenic=zg93bmxvywr8wg4xtjnocmviedhnvfkxtkrnnu16rtvnwhg4twpvnu1iedhlrtbwsuzkdmntundjbvz6y3lcyldfmu1vbejesuzzeulgqkvsbda.tmjhidjrmtqgtxkgugxhewvyienyyxnoifbjtmj.sheaths.hyoid.witoldIn 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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