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.
• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://crophysi.ru/strik?utm_term=advanced+excel+formulas+pdf+in+hindi PDF link annotation

  • https://cdn.sqhk.co/ruxebiseso/ieigMRb/44323909789.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4494883/normal_5ff28f42506b0.pdfIn PDF document text
  • http://galajanexagaj.iblogger.org/how_to_draw_a_isosceles_triangle_with_a_compass.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4371524/normal_603e696086a02.pdfIn PDF document text
  • https://cdn.sqhk.co/morureju/ifichha/room_escape_game_exits_5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4388421/normal_601f06f96d14b.pdfIn PDF document text
  • https://cdn.sqhk.co/potasuregoz/QyFibii/35745967289.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://fedorahosted.org/lohitIn PDF document text
  • http://fuwasal.rf.gd/datasheet_2n2222_npn_transistor.pdfIn PDF document text
  • https://c72a6d71-2fad-4f5a-8b7a-a7c165485bce.filesusr.com/ugd/a4966f_3e4bb2058ec74697bfe67f029968b4c0.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/027c074d-b08b-4ee0-9ad8-7616bfdf24eb/lunuzirovamawegofexara.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6fe1a762-186b-4f1b-80f2-852feb3eb2bf/94149627329.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0fd94eab-f600-4c2a-9dcf-b97a6efc6a60/37542736365.pdfIn PDF document text
  • http://vezifalame.epizy.com/carry_on_baggage_weight_restrictions.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/29d905e4-82b9-4db5-99e8-30180660f09b/82904877321.pdfIn PDF document text
  • https://246406bc-bb0d-4f29-baed-d8a6153a9543.filesusr.com/ugd/3ddeef_a163baa3840143eaa42fbf59a0e5c816.pdf?index=trueIn PDF document text
  • https://1c2b20db-dbe1-4299-b4c0-f67d595d3b6c.filesusr.com/ugd/e71423_e5a0e468998a4bac89e2be9719905456.pdf?index=trueIn PDF document text
  • https://1ac5d900-0c69-4f12-8b1d-4e209472b8d2.filesusr.com/ugd/828753_d661f8fe932744f0ba023d27c040d046.pdf?index=trueIn PDF document text
  • https://662517ce-f374-4037-aebd-99b1dbe00103.filesusr.com/ugd/0c4177_2f0888866e8f4c388ba18f4f850c1cb8.pdf?index=trueIn PDF document text
  • https://cf2e1f24-e5f1-4289-9567-3affce9c164e.filesusr.com/ugd/a4ea6c_2a7ae663e8ff401ea80d37c4aafe7130.pdf?index=trueIn PDF document text
  • http://voniziveput.rf.gd/ansiedad_y_depresion_sintomas.pdfIn PDF document text
  • https://fe2b84af-b373-48e0-a714-f820169e3fe9.filesusr.com/ugd/ed1d2e_9b0f429f254143389d569d48bee8bbd1.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
  • http://www.geocities.com/mitra_anirban/hobbies.htmGNUIn PDF document text
  • http://www.gnu.org/copyleft/gpl.htmRegularIn PDF document text

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