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 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.
• Clickable URI points to raw IP address medium PDF_URI_IP_LITERAL
  PDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
• 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://dormister.com/cadiz/climaxes/energized/moas/favre/gris.RnJlZSBEb3dubG9hZCBCdWt1IFBlcm1hdGEgWWFuZyBIaWxhbmcgUGRmIDQ0RnJ/?mastercraft=ZG93bmxvYWR8djczTm1sMGVueDhNVFkxT0RBd05qWTVPWHg4TWpVNU1IeDhLRTBwSUZkdmNtUndjbVZ6Y3lCYldFMU1VbEJESUZZeUlGQkVSbDA PDF link annotation

  • https://digitalstoreid.com/wp-content/uploads/2022/07/fizika_masalalar_yechish_usullari_pdf.pdfIn PDF document text
  • https://nailpersona.com/wp-content/uploads/2022/07/flixgrab_52721_premium_crack_keygen_repack_free_download.pdfIn PDF document text
  • https://dwfind.org/wp-content/uploads/2022/07/iolashie.pdfIn PDF document text
  • https://ufostorekh.com/wp-content/uploads/2022/07/serial_number_xml_marker_22.pdfIn PDF document text
  • https://blackbusinessdirectories.com/wp-content/uploads/2022/07/BETTER_Download_Film_Rumah_Kentang_720p_Mkv.pdfIn PDF document text
  • http://automationexim.com/propresenter-6-crack-windows-10-free/In PDF document text
  • http://www.bigislandltr.com/wp-content/uploads/2022/07/wahesta.pdfIn PDF document text
  • https://www.nzangoartistresidency.com/diablo-2-map-hacks/In PDF document text
  • https://jacksonmoe.com/wp-content/uploads/2022/07/Brasileirinhas__Carnaval_2006__Vivi_Fernandesaviepub.pdfIn PDF document text
  • https://www.velocitynews.co.nz/advert/pro-bass-fishing-2003-no-cd-crack-11l-exclusive/In PDF document text
  • https://ubex.in/wp-content/uploads/2022/07/severina_se_jebe_video_besplatno.pdfIn PDF document text
  • https://www.9mesi.eu/wp-content/uploads/2022/07/Kitab_Al_Aufaq_Pdf_Download_LINK.pdfIn PDF document text
  • https://turkishbazaar.us/wp-content/uploads/2022/07/EKLH_free_font_download_1-3.pdfIn PDF document text
  • https://extremesound.ru/simatic-s7-plcsim-v5-4-sp4-zip-html/In PDF document text
  • https://loskutbox.ru/wp-content/uploads/2022/07/HD_Online_Player_Baixar_Interapp_Control_Pro_Crackead.pdfIn PDF document text
  • https://instafede.com/hindi-movie-bareilly-ki-barfi-verified-full-movie-hd-1080p/In PDF document text
  • https://4c70.com/fonepaw-android-data-recovery-2-2-0-serial-key/In PDF document text
  • http://3.16.76.74/advert/torrent-adobe-indesign-cs6-x64-portable-full-top/PDF link annotation
  • https://npcfmc.com/wp-content/uploads/2022/07/Ilmu_Peluang_Dan_Statistika_Untuk_Insinyur_Dan_Ilmuwan12_LINK.pdfIn PDF document text
  • https://buycannabisstocksinvestments.com/wp-content/uploads/2022/07/Autocom_2013_R1_Keygen_EXCLUSIVE_Full_V14_Build.pdfIn PDF document text
  • http://dormister.com/cadiz/climaxes/energized/moas/favre/gris.rnjlzsbeb3dubg9hzcbcdwt1ifblcm1hdgegwwfuzybiawxhbmcgugrmidq0rnj/?mastercraft=zg93bmxvywr8djcztm1smgvuedhnvfkxt0rbd05qwtvpwhg4twpvnu1iedhlrtbwsuzkdmntundjbvz6y3lcyldfmu1vbejesuzzeulgqkvsbdaIn 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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