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
• 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.
• 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://lozipotod.ru/strik?utm_term=prefixes+and+suffixes+worksheets+year+3 PDF link annotation

  • http://vumajuzatijerak.getenjoyment.net/kemajomaripejikupezulipa.pdfIn PDF document text
  • http://uuuuull.space/what_is_the_fourth_of_july_to_a_slave_summarysxxx1.pdfIn PDF document text
  • http://mikazuxo.mypressonline.com/73782206211.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4470828/normal_602a132d88fb8.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4484805/normal_5fc5c8f29606e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4483103/normal_6022613edbf97.pdfIn PDF document text
  • http://jigikujed.scienceontheweb.net/java_algorithms_examples.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4417222/normal_600a05c6629ce.pdfIn PDF document text
  • http://reduslim-eu.site/dead_paradise_2qhv7r.pdfIn PDF document text
  • http://visiblawty.com/2000_honda_shadow_1100_battery_sizeteopp.pdfIn PDF document text
  • http://sale-siberian-force.online/48756349933688ks.pdfIn PDF document text
  • http://liwexun.mywebcommunity.org/patiwozelarojizogisomesuk.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/687f1fb2-3022-4a93-b31a-98eefede7c45/playstation_4_games_coming_out_in_2021.pdfIn PDF document text
  • https://2d841ef3-a248-4e6a-996b-2d54d6713fdd.filesusr.com/ugd/1decf9_7eaec6405e824a95b1f88168329c2df5.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/271155a4-8df2-47e2-b92f-612702b341eb/darubewaxomabemijosakov.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/16b34349-3e37-4b9e-a98e-d1381c41928b/89167741964.pdfIn PDF document text
  • http://rixigor.onlinewebshop.net/67658438740.pdfIn PDF document text
  • https://20128683-61eb-4207-b985-d468b1a81fea.filesusr.com/ugd/0049ca_6f0010196f7841b581b7d5a2480760d4.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/b98dcf32-3533-4493-9345-46d59a2ea879/34921111235.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8db5ba9b-e460-4f03-8dc1-a016245a164f/28437739235.pdfIn PDF document text
  • https://8ed6bd9f-de2b-4923-b7df-82f95eb18a03.filesusr.com/ugd/7fa32f_23a9c05cd21c4d89b4bb67b1da02f1bb.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/27b30866-afd6-4d1a-b22c-610c27619cb3/bofuxip.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/85645593-ee53-44d8-8708-39a66474b7d3/winning_ugly_white_sox.pdfIn PDF document text
  • https://11fe2947-f393-4df3-905d-f9f3730e834a.filesusr.com/ugd/b1b16e_56edaf49faf34cd89e44dbd1cb75804b.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/8a608f1b-8943-47bb-b842-154e2ba9a99f/first_grade_math_pattern_lesson_plans.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://scripts.sil.org/OFLIn 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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