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/strik?keyword=happy+ending+avril+lavigne In PDF document text

  • https://cdn-cms.f-static.net/uploads/4369781/normal_5f87d3f724bdf.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379603/normal_5f8b5b6d416b9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366628/normal_5f87493fcf258.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374688/normal_5f8b2a0fdf3ae.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365613/normal_5f8aea1a7cec7.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365659/normal_5f87253da6845.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368768/normal_5f891c10502e8.pdfIn PDF document text
  • https://ziripovopibew.weebly.com/uploads/1/3/0/8/130874468/jolokozosato_xupaf_mogivofo_tesodufinugefud.pdfIn PDF document text
  • https://xifobosakup.weebly.com/uploads/1/3/2/8/132815359/197773.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/1/0494/6074/0263/files/pilates_pro_chair_sculpting_handles.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0462/6445/1221/files/kupunowasiwevegukuzenuf.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/6229/5714/files/problems_programming_bmw_garage_door_opener.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/4863/9907/files/gibson_les_paul_deals.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0439/4647/5675/files/baixar_tabela_periodica_atualizada.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/663ecf39-2f9f-4fe1-b388-e9213eae8ccf/95981182267.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0481/0201/5139/files/76532305369.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/4237/3283/files/14241249275.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/7259/2801/files/zaput.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0459/3277/3543/files/samosa_chaat_recipe_pakistani.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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