Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://jacksth.ru/wix?keyword=mcat+study+guide+practice+pdf+2018 PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4373301/normal_5fda933aebdab.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4479705/normal_601ab68b8e94c.pdfIn PDF document text
  • https://cdn.sqhk.co/bopibege/5hgihgg/listing_presentation_checklist.pdfIn PDF document text
  • https://cdn.sqhk.co/tamurikubol/ew7p0hd/legend_of_king_arthur_camelot.pdfIn PDF document text
  • https://cdn.sqhk.co/rawegili/gchgKbc/sabedadevi.pdfIn PDF document text
  • https://cdn.sqhk.co/diwiporeb/hbgchab/water_park_las_vegas_indoor.pdfIn PDF document text
  • https://cdn.sqhk.co/bidogefapo/ZDkhfnH/pc_games_flight_simulator_2020.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4476270/normal_600df44ac9515.pdfIn PDF document text
  • https://cdn.sqhk.co/dojidavos/2ifBmQB/73320534493.pdfIn PDF document text
  • https://cdn.sqhk.co/minutakumu/Kjehcjj/roman_adventures_britons_season_one_walkthrough_level_15.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4445866/normal_603e66fc856ed.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380214/normal_60278ec6c754f.pdfIn PDF document text
  • https://cdn.sqhk.co/xavonepez/jffljaD/gaxagalafanuwukokaje.pdfIn PDF document text
  • https://cdn.sqhk.co/nukusigemug/hhcjehg/idle_coffee_corp_all_locations.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://nijesawojate.epizy.com/brixham_college_sixth_form.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7cc0be25-cddc-4603-a650-a2db2560c864/49766112.pdfIn PDF document text
  • https://2e03c77f-99cc-4591-9807-54d8d49c9ce6.filesusr.com/ugd/759733_6b2290e562ba41afa80c4c975026a369.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/8b7bcc76-8fe2-470a-8bf4-12fb24c0e288/aroma_20_cup_rice_cooker_reviews.pdfIn PDF document text
  • https://354df738-7a8c-4643-bdcd-aa58f7c4bd0c.filesusr.com/ugd/69cf62_fe083fbebddb4fff9088189f276be976.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/ffa1d76e-ed20-4b19-92a0-1fe98b1c7fe3/82198571791.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b1e1f15c-371c-458d-9463-dd8dc7ae8577/how_to_clean_my_hp_printhead.pdfIn PDF document text
  • https://47ab6ce1-aee6-4086-a8e7-31fe393d2411.filesusr.com/ugd/afbef4_f86faf728e5a4913b0fb65059464cbc8.pdf?index=trueIn PDF document text
  • https://43fe4710-460a-4ad3-90dc-2dd795c51528.filesusr.com/ugd/a32c20_bbdec497dfd241fe92350f422dcc85fe.pdf?index=trueIn PDF document text
  • http://rujolur.rf.gd/95426279009.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

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