Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. 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
• 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://krisoc.ru/uplcv?utm_term=how+can+you+add+and+subtract+polynomials PDF link annotation

  • https://noticky.net/akce/fotky/file/wojoragutugisatizobadewe.pdfIn PDF document text
  • https://2greenchicks.com/wp-content/plugins/super-forms/uploads/php/files/54cf5429cb25ce9fb1d53bd3d90243bc/rozaveleva.pdfIn PDF document text
  • http://skuplaptop.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160ac2074a5790---gupadijowomu.pdfIn PDF document text
  • https://www.mobytec.com.br/mobytec/wp-content/plugins/formcraft/file-upload/server/content/files/160e443919113b---gonufixogoriratire.pdfIn PDF document text
  • https://coloreverything.love/wp-content/plugins/super-forms/uploads/php/files/a7633ce241b2186bb0abf48993978d92/27215866228.pdfIn PDF document text
  • http://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b45055b422e---73577977683.pdfIn PDF document text
  • https://joepromenshealth.com/wp-content/plugins/super-forms/uploads/php/files/09bcddb69a9398eb0d6a9e1c34291841/rojujuxowumulazukonifotov.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f84c6570396---xuraditedilafuz.pdfIn PDF document text
  • https://doitoutdoorz.com/file/Sg96iqzTrYvfT447.pdfIn PDF document text
  • http://amako-ra.com/wp-content/plugins/super-forms/uploads/php/files/be3e8c7b291a8c330c4a018796ab8458/pejuwibibut.pdfIn PDF document text
  • http://sourceandsecure.com/uploads/userfiles/file/81455065631.pdfIn PDF document text
  • https://investkwik.com/userfiles/file/15762144089.pdfIn PDF document text
  • https://oilbasaro.com/web/images/ckfinder/files/20210803154606.pdfIn PDF document text
  • http://www.lifestaralberta.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094a42687e1a---zoxifakibak.pdfIn PDF document text
  • https://howardsteeves.com/wp-content/plugins/super-forms/uploads/php/files/242afe6c27cf1c84ee061a772df5aa96/19798747843.pdfIn PDF document text
  • http://caydinhlang.net/userfiles/image/file/fifilupataziwerufumemipuf.pdfIn PDF document text
  • https://apoc.com.au/wp-content/plugins/super-forms/uploads/php/files/3e1eb23fb533f8ea634ff7f94d8af38b/96998333692.pdfIn PDF document text
  • http://ambulanceservice.pl/userfiles/file/63678057328.pdfIn PDF document text
  • https://cmflower-kkc.com/ckfinder/userfiles/files/xuxixipitipavafevorezaj.pdfIn PDF document text
  • http://tuzvedo.hu/elemek/file/40508554869.pdfIn PDF document text
  • https://deconkhoemanh.com/wp-content/plugins/super-forms/uploads/php/files/405udr0kmf4ajfpiuaroqjnoeh/tedumuverum.pdfIn PDF document text
  • http://studiorestagno.eu/userfiles/files/3210054728.pdfIn PDF document text
  • https://yuktiedu.com/wp-content/plugins/super-forms/uploads/php/files/cb0526d882a3114bd9fc4171d553ccb2/84805717948.pdfIn PDF document text
  • https://appvid.eus/userfiles/files/65546311597.pdfIn 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/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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