Malicious PDF — malware analysis report

Heuristics 7

• 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 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.
• Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
  Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
• 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://leonvi.ru/123?utm_term=chsl+answer+key+2019+gradeup PDF link annotation

  • http://nunobuzipame.medianewsonline.com/gafufigififonijaruzowi.pdfIn PDF document text
  • http://kujamemapevubu.mypressonline.com/74201269475.pdfIn PDF document text
  • http://hermidkovo.info/minecraft_island_seed_ps4_20191t9vi.pdfIn PDF document text
  • https://bajorenurelop.weebly.com/uploads/1/3/0/7/130739037/2178716.pdfIn PDF document text
  • http://pozezan.mygamesonline.org/alan_watts_this_is_it.pdfIn PDF document text
  • http://zejirejajedudu.getenjoyment.net/steam_boiler_technology.pdfIn PDF document text
  • https://cdn.sqhk.co/bixatavafut/hYIwIRV/95105951743.pdfIn PDF document text
  • http://mbfsopg.com/ibm_matching_grants_form81yy3.pdfIn PDF document text
  • https://cdn.sqhk.co/gevajoke/hOhcv7i/wulilomewovuwepat.pdfIn PDF document text
  • http://znalomstvavip.site/historical_events_1900_to_1920dn4tj.pdfIn PDF document text
  • https://lovarewido.weebly.com/uploads/1/3/4/3/134322716/wanidevisij-gitedot-mapomoxijukuker.pdfIn PDF document text
  • https://cdn.sqhk.co/sujubowip/ejgbLuP/survival_kit_list_uk.pdfIn PDF document text
  • https://nalepigetor.weebly.com/uploads/1/3/0/9/130968958/3b9ec.pdfIn PDF document text
  • https://cdn.sqhk.co/sixerefe/hfhjn55/benefits_of_quitting_smoking_timeline.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/9c06ff4e-9fce-437b-9d8c-2e913630064f/66415082685.pdfIn PDF document text
  • https://9e269ae7-c3cf-4b9f-bde2-1d9be064b7bf.filesusr.com/ugd/139869_034805aa4c044b57999d02724f42321f.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/feb72753-a9bc-4ef1-b7e3-4534e9564777/26354440282.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1288af2c-80ad-4f92-8572-77254e16cc72/can_you_use_ps3_controller_on_steam.pdfIn PDF document text
  • https://d5e9a058-cbdc-4968-ba72-30cdbf1e36a3.filesusr.com/ugd/9cfd0a_62186ca4ca31480fa96b821bf00ee064.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/d94c127d-b39d-4ac6-9fa0-c3ab4e9132c2/bowflex_treadclimber_tc5000_not_working.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/362629f3-4314-497d-ae2f-9ea4e2b9f96e/how_to_lose_weight_with_vegetarian_food.pdfIn PDF document text
  • https://b84c3727-5d5a-4c5d-9d5d-21cac87b3a69.filesusr.com/ugd/fdd6c2_138259b79478427e977ee64c1b369bb9.pdf?index=trueIn PDF document text
  • https://3e1ae61b-6b68-46dc-8a90-d1c7a5b9f91c.filesusr.com/ugd/b8bbd7_afd6f37e636347f0b8227a8cd0964b00.pdf?index=trueIn 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

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