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.
• PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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://druttle.ru/strik?utm_term=how+to+trade+futures+on+thinkorswim PDF link annotation

  • http://czecheducation.space/dufaxilgda.pdfIn PDF document text
  • http://zoo-taxi.site/fedamositulajorh3vh2.pdfIn PDF document text
  • http://usersdeviceprotectionservice.site/zupazupunugopilotedoxuvobetxcd.pdfIn PDF document text
  • http://uscovidcharts.com/5694303561d9mkf.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • https://0aa989e7-076c-475f-bc22-fff5ae310860.filesusr.com/ugd/b44be6_f778cfec2e724015a1789b08836afe17.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/0bb680ee-ef0f-45cf-a66f-68781ee877d8/4913278972.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/12da908e-74b1-4131-98e2-ba0efe7397bd/stephen_king_castle_rock_stand_by_me.pdfIn PDF document text
  • https://288c7b4b-0494-48f6-8ee2-9dd519b96b0a.filesusr.com/ugd/a107db_ca42176110484e0ca1055e5c0b706703.pdf?index=trueIn PDF document text
  • https://a208a2de-cee2-48c2-86e3-c620a022946d.filesusr.com/ugd/dda32d_611d6c3cad5348db84f15d77b91827a8.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/8ee8a078-f7a3-4234-9d45-8bb0b393a846/is_little_fires_everywhere_based_on_the_book.pdfIn PDF document text
  • http://dozipaju.rf.gd/metal_forming_analysis_book_gtu.pdfIn PDF document text
  • https://7a9095e9-4ba3-4ff7-9406-a75d0382ce8a.filesusr.com/ugd/db93e9_03590d8162de4a378806818a04920e16.pdf?index=trueIn PDF document text
  • https://cf62593c-3f62-494e-9ef9-3c2a63ead7d7.filesusr.com/ugd/93dae2_58079b437cfb4620b9483bc1b2a60bed.pdf?index=trueIn PDF document text
  • https://0d801636-e20c-47cf-9654-f2c4f0d28fb9.filesusr.com/ugd/2e7c9c_72b7f975982b42b4bc679252d3cdbca6.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/dff0a5a2-2f80-4556-b056-771a0344e545/percy_jackson_and_the_olympians_the_lightning_thief_chapter_7_summary.pdfIn PDF document text
  • http://kujazidi.epizy.com/38045320675.pdfIn PDF document text
  • https://53ee2ee6-42da-4c96-954f-60f726bc8d53.filesusr.com/ugd/de2744_50988fc0c58b474881e9bb9553d11476.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/0887a77a-01d5-41da-b5cb-8e0354ac81b1/mercury_9.9_outboard_dimensions.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f2e4cf54-d27a-46f2-950b-737be86834a4/pominatizux.pdfIn PDF document text
  • https://a7ed8af5-5e4a-4eaf-98d7-51655494ca15.filesusr.com/ugd/b5c45a_b19c8f4c388f4f589eb0f53b67efc578.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/cb9c4afd-4c6f-4436-9beb-36fc0d2982cf/luboz.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3ffa7124-713d-4bf2-9001-8e700d40b959/finnegans_wake_walpole_ma.pdfIn PDF document text
  • https://eb40363d-1d1f-4170-a897-f23f0f433116.filesusr.com/ugd/2a1429_bf9c551bb1d8462aa1afcf3d3c8a437f.pdf?index=trueIn PDF document text
  • http://lunupesefobe.rf.gd/how_much_does_a_log_cabin_home_kit_cost.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/fef94a05-6b7f-467a-b042-a7b48b875370/25414162522.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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