Malicious PDF — malware analysis report

Heuristics 4

• 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.
• 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.
• 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/123?utm_term=chinese+110cc+atv+carburetor In PDF document text

  • https://cdn.sqhk.co/molivovuki/jlihjfS/43737678324.pdfIn PDF document text
  • https://cdn.sqhk.co/ketifoseja/gjIPkUD/easy_assistive_touch_with_screen_recorder_pro_apk.pdfIn PDF document text
  • https://cdn.sqhk.co/lepavenujal/aiiibjb/collage_maker_for_windows_7_free_download.pdfIn PDF document text
  • https://cdn.sqhk.co/zifuvifiweva/oaztWib/riverside_drive_apartments_spring_city_pa.pdfIn PDF document text
  • http://allrecipes.pro/28566430135uobd8.pdfIn PDF document text
  • https://zozabamefopofa.weebly.com/uploads/1/3/4/2/134234868/xutazan-rikugokoladixik.pdfIn PDF document text
  • http://winoorama.website/public_administration_syllabus_for_upsc_optionalicqtb.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4422373/normal_5ff0dceda6e5d.pdfIn PDF document text
  • https://kiwiwutirove.weebly.com/uploads/1/3/4/7/134707888/22a56eeb97d046e.pdfIn PDF document text
  • http://fartook.online/43498393235b40n6.pdfIn PDF document text
  • https://cdn.sqhk.co/lizubenesowi/ciaTmlQ/the_chosen_one_harry_potter_gif.pdfIn PDF document text
  • https://rajizoru.weebly.com/uploads/1/3/1/8/131856770/5cb0cbfa.pdfIn PDF document text
  • https://tejenopaje.weebly.com/uploads/1/3/1/1/131164027/vararila-deziluxatev.pdfIn PDF document text
  • http://itwomen.space/65298811359tcedh.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/pivetuzadujo/cancionero_religioso_catolico.pdfIn PDF document text
  • https://s3.amazonaws.com/laginekux/junerupabitu.pdfIn PDF document text
  • https://s3.amazonaws.com/wemofodi/60492702950.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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