Malicious PDF — malware analysis report

Heuristics 6

• PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
  PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://yafferge.ru/aws?utm_term=how+to+setup+zebra+zp+450+printer In PDF document text

  • http://juzufezike.mygamesonline.org/ciaccona_vitali.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4477655/normal_60391bf2174b4.pdfIn PDF document text
  • http://bamefidev.mygamesonline.org/free_online_digital_marketing_courses_with_certificates_by_microsoft.pdfIn PDF document text
  • http://pasadurasasagi.medianewsonline.com/sefagelevozuzebitu.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4487381/normal_6006dc8c6cf7a.pdfIn PDF document text
  • http://mibemuxagegija.mywebcommunity.org/81491415736.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4424645/normal_60250f27a7a89.pdfIn PDF document text
  • http://tiwilofojifig.sportsontheweb.net/prezzario_agricoltura_sicilia_2020.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://bidusibebawuz.onlinewebshop.net/aptitude_test_for_job_interview.pdfIn PDF document text
  • https://656adf98-7a81-40bd-8d0f-2b9c27d09201.filesusr.com/ugd/268ab1_b38fdb62d44d44c5b1bdf58592674a64.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/9af3b325-a03a-43ed-b5af-7e9f66db6650/indian_history_books_in_bengali.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c6d09b8e-58ae-43d1-99b5-6e376d0eccc2/coleman_powermate_5000_specs.pdfIn PDF document text
  • https://11210a16-d5d1-4e17-93a3-27fbbb12f21b.filesusr.com/ugd/fb658e_5ceabe72f4f44e80a47513870d507083.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/4a2c91c5-de4e-47eb-85ab-5504a6c91501/how_to_diagnose_ac_leak_in_car.pdfIn PDF document text
  • https://599b09cd-7b6a-4758-94a3-08a08d316165.filesusr.com/ugd/628a76_922ea82c90b648309541f2edb829c24a.pdf?index=trueIn PDF document text
  • https://28546a20-d0cc-4b82-bb4f-6711990cd5a3.filesusr.com/ugd/0bcf16_9046abd55a0b4f5c86faf4edeac2caff.pdf?index=trueIn PDF document text
  • https://21e323bd-7fdd-46e9-a6c7-4880e76d7610.filesusr.com/ugd/0a51c1_08b322d2d6414a99a86110c6cda21593.pdf?index=trueIn PDF document text
  • http://lobopekogolo.onlinewebshop.net/how_to_get_phthalo_green.pdfIn PDF document text
  • https://a54de82d-0003-4787-801b-d7ee719c780a.filesusr.com/ugd/8d57bd_f9b49ed3358d4dc38425418c7836c149.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/b7a3e96a-d942-40c1-acd9-f19b2bf501de/how_to_write_a_professional_resume_canada.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b9e0520a-2e0a-4a00-822a-e7c07b606388/starfinder_character_sheet_roll20.pdfIn PDF document text
  • https://1628ddcf-e301-416d-9649-d9339b85441b.filesusr.com/ugd/0b1079_660017f6aeb64cd0870bef119718f715.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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