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/123?keyword=samsung+s10+plus+user+manual+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4366400/normal_5f8741a22e2a5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369152/normal_5f890ae4f04fd.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372702/normal_5f8911a3367d7.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369524/normal_5f8809f161e2f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369183/normal_5f88f2dbc2084.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://cdn.shopify.com/s/files/1/0479/0003/3190/files/neumonia_grave_en_nios.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0481/5768/7959/files/69726845219.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/7404/3552/files/essentials_of_human_anatomy_and_physiology_9th_edition.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0439/0574/5051/files/36714763121.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/2734/8635/files/caracteristicas_de_las_culturas_mesoamericanas_en_el_periodo_clasico.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/8979/8333/files/the_room_screenplay.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/1312/8871/files/79511817320.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0459/7468/3815/files/dental_floss_threader_walgreens.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/8197/4435/files/happy_birthday_katherine.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0439/1347/8312/files/30633738632.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/3601/6802/files/terry_eagleton_marxist_literary_theory.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/0041/3856/files/jugukanevazagurolisu.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/8045/7623/files/blue_moon_chord_melody.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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