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.
• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• 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 https://vilenefex.ru/123?utm_term=best+good+morning+photos+hd

  • https://jasugupaxawuz.weebly.com/uploads/1/3/0/7/130740610/pilogugolonegu-lolaruvobute-gilanoj-tukagataxara.pdf
  • https://cdn.sqhk.co/gadewekunel/hcjhheo/whiteboard_drawing_site.pdf
  • http://sujabupinoda.scienceontheweb.net/84293197850.pdf
  • http://zuduwamani.mypressonline.com/2017_toyota_camry_custom_seat_covers.pdf
  • https://majojolug.weebly.com/uploads/1/3/4/5/134595566/8412454.pdf
  • http://barajofa.mywebcommunity.org/35040772827.pdf
  • http://sowivonowiso.iblogger.org/cosplay_mask_templates.pdf
  • https://bobidowi.weebly.com/uploads/1/3/2/7/132740787/2264883.pdf
  • https://cdn.sqhk.co/leporolino/8jeiiha/monkey_king_tea_square_site.pdf
  • http://tixshopclub.space/e600i-b3_wont_turn_onm9lkh.pdf
  • http://vittorguxx.site/puntos_de_partida_10th_edition_online_answer_keydo5ei.pdf
  • http://www.ascendercorp.com/
  • http://www.ascendercorp.com/typedesigners.html
  • http://fedorahosted.org/lohit
  • http://nekanonesogur.rf.gd/orchestration_books.pdf
  • http://zozinidusekoz.epizy.com/is_the_movie_the_woman_in_the_window_on_netflix.pdf
  • https://80820154-e864-4b0c-832b-212b24169927.filesusr.com/ugd/c12414_6a663ed181e44b30a6bfe23b21b37f8e.pdf?index=true
  • http://zefefudu.rf.gd/how_to_make_biodiesel_from_used_cooking_oil.pdf
  • https://c0771fee-1ba5-4dbf-bba5-a775c3d44c03.filesusr.com/ugd/544e7e_41419b2d43b144ea887b11cd123038af.pdf?index=true
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#
  • http://purl.org/dc/elements/1.1/
  • http://ns.adobe.com/pdf/1.3/
  • http://ns.adobe.com/xap/1.0/
  • http://ns.adobe.com/xap/1.0/mm/
  • http://ns.adobe.com/xap/1.0/rights/
  • http://scripts.sil.org/OFL

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