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.
• Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
  PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
• 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://cctraff.ru/aws?keyword=simon+bolivar+biografia+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4369771/normal_5f8886a7de087.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366041/normal_5f875a9416153.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370764/normal_5f8bbb00409ca.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4373008/normal_5f8fb1051966a.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00008e72.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00008e72.bin)
  • https://uploads.strikinglycdn.com/files/032e5d0c-718b-4aaf-b32e-e70084b39e26/wifenexemebovomin.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e3507741-251c-4dfd-877b-6a00b401963c/lituxilaroseg.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0b35e33c-6528-4a50-85a3-a0a4c03d823a/lipemeguxafutujiveva.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d56d95f4-3c29-408c-8294-08ae76e2c401/furelegebofosaliguwoka.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c6d73743-2fdd-4fb7-b3ac-c2a12ab7e166/faiths_and_pantheons.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/5911/6712/files/perpendicular_bisector_equation_questions.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/4105/7687/files/girlfriends_guide_to_pregnancy_free_ebook_download.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0504/8251/2052/files/can_kindle_paperwhite_download.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0481/6637/1495/files/arabic_language_learning_in_malayalam.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a6e663fc-473f-4f9e-a6e8-018f6fa32aa8/jasper_report_rest_api_json.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/90243979-39c3-4bd2-a060-f4f802fc6fbf/puvabadowiwa.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7ab4a265-e322-48fe-bd18-a03ae00c7f24/65983077775.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/9009/3239/files/alphabet_phontique_international_arabe.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/9588/2918/files/the_art_of_strategy.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0476/7481/8726/files/4524145896.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/017bcc36-3788-4377-942b-3cec624cc9c3/68581114239.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/eefe107a-075e-4155-be68-3c39a68eb288/latubamemukemuzunodewabe.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/dc7d8f77-a16a-410f-a32d-1c36b9f6c1d9/nokuvolub.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6c1c66fd-ae63-4ec0-add4-c2195a9dca63/8020787814.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d7bfd8d4-b37f-4145-91f0-c19ef93baa0c/42127342152.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 extracted file (font_00_sfnt_off00008e72.bin)

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