Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://pelibifir.ru/strik?utm_term=matlab+list+functions+in+file PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4417645/normal_6030a945676c6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4458826/normal_6046e68520649.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4499282/normal_5fe2ddb0b6b1f.pdfIn PDF document text
  • https://cdn.sqhk.co/vefoxewijuja/RKlhhhc/indiramma_housing_online_application_form.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4449411/normal_5ff4dea94bc6a.pdfIn PDF document text
  • https://cdn.sqhk.co/jotepomi/lYiatBY/romantic_punjabi_song_video_for_whatsapp_status_download.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4405922/normal_5feb3282748d2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4448332/normal_6017d4d9870ea.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368219/normal_6023f9a039151.pdfIn PDF document text
  • https://cdn.sqhk.co/sozivowemin/hjfKDge/maui_shark_attack_death_map.pdfIn PDF document text
  • https://cdn.sqhk.co/wigetoxeveka/heDih2H/govibawefem.pdfIn PDF document text
  • https://cdn.sqhk.co/suxupijisajo/fgfHhbe/video_maker_with_free_templates.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4368955/normal_5fed24e29968f.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://uploads.strikinglycdn.com/files/a5e1d48f-0fe6-4778-b555-d9036dc91e58/what_to_do_when_your_dryer_says_check_vent.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c98c6476-65cf-4623-b812-044f30ad6611/lego_classic_ideas_book.pdfIn PDF document text
  • https://d4cba69e-f3c5-4a64-9e40-69ba24924691.filesusr.com/ugd/b73feb_61c98723a6fe4488b35a8d8b982d90f9.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/8fbf4ebf-b179-4639-87de-b5a956a28290/dedazusujevofaguwis.pdfIn PDF document text
  • https://f64a1a0a-debf-4843-a838-a34c0cae0f4a.filesusr.com/ugd/89602e_e32a67b6155b4f3da6e39ea2c967bee0.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/02cba30f-cd6b-4174-8e1c-05ac52da8885/45523384604.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b65c7869-41c1-46db-8f76-35d74e446cb9/34922452745.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5eebe9cd-e19a-4d87-96a9-b2962946072c/adobe_premiere_pro_cs4_transitions_plugins_free_download.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/61fd1c45-78c4-48a0-90bd-1f78727c1320/38490837658.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/bbc6d5b8-a079-4822-a499-09439a6c5d6a/safety_glasses_over_glasses_canada.pdfIn PDF document text
  • https://48e5b1ff-25fb-49a4-826b-3ad3f3a15688.filesusr.com/ugd/0d632a_02ef0fe5ffeb4b73b4d0d98eadd14fec.pdf?index=trueIn PDF document text
  • https://4f65703b-d4c0-4c9c-9e30-73c8cc83ec5d.filesusr.com/ugd/54fa57_8b07725d86dc44b498e6749446248520.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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