Malicious PDF — malware analysis report

Heuristics 5

• 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 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.
• 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://ggtraff.ru/123?keyword=vpn+365+android+free+download In PDF document text

  • https://site-1043311.mozfiles.com/files/1043311/jajoxizesafejikukope.pdfIn PDF document text
  • https://site-1038783.mozfiles.com/files/1038783/73300689059.pdfIn PDF document text
  • https://site-1042349.mozfiles.com/files/1042349/33833740335.pdfIn PDF document text
  • https://site-1043646.mozfiles.com/files/1043646/taotronics_tt-bh07_user_guide.pdfIn PDF document text
  • https://site-1038759.mozfiles.com/files/1038759/womigefuresan.pdfIn PDF document text
  • https://site-1039478.mozfiles.com/files/1039478/14941454279.pdfIn PDF document text
  • https://site-1039779.mozfiles.com/files/1039779/ninogelevufafosed.pdfIn PDF document text
  • https://site-1037897.mozfiles.com/files/1037897/90786058153.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368741/normal_5f88886ab1685.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365553/normal_5f88b87624e0f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368506/normal_5f888d5192f4b.pdfIn PDF document text
  • https://jawasolasazilem.weebly.com/uploads/1/3/1/3/131379174/beparinunij.pdfIn PDF document text
  • https://vuxozajuje.weebly.com/uploads/1/3/1/3/131379873/bamudepekepa_setumazowido.pdfIn PDF document text
  • https://nudojafobedem.weebly.com/uploads/1/3/1/3/131379550/nilatoloxu.pdfIn PDF document text
  • https://fuparududewon.weebly.com/uploads/1/3/1/8/131856041/7600545.pdfIn PDF document text
  • https://dojudiwoju.weebly.com/uploads/1/3/1/4/131406456/vedus-jolizo-gipomodena-rivuvoz.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://cdn.shopify.com/s/files/1/0462/3669/6725/files/darwin_thompson_highlights_chiefs.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/9666/0886/files/followers_for_instagram_apk_2018.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/0120/0288/files/world_general_knowledge_quiz.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/4475/6901/files/chapter_20_study_guide_static_electricity_answers.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/9495/7466/files/satellite_communication_fundamentals.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e67c0175-8383-4c45-851c-d66d2347f804/nabotibaxojifonedi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c352bb0f-0ba6-4142-be18-7b5de9c12a8c/97614538123.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/77a139b9-15cc-4796-997b-193c95c4c6fd/ganupa.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
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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