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://ttraff.ru/123?keyword=meaning+and+scope+of+sociology+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4369150/normal_5f87a9f3d959e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365563/normal_5f8711bd522bd.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4373797/normal_5f8a257a26d38.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366302/normal_5f8720f903ccd.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366374/normal_5f875e72ce3c5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369935/normal_5f89000078656.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365551/normal_5f870e67b08ab.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365620/normal_5f8759e108923.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369904/normal_5f8a9fa220aa0.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4371508/normal_5f8a6809c3363.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://uploads.strikinglycdn.com/files/e6fad5e2-2395-4ba8-b0a2-eee849bc7956/wonixosejadana.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/aeeacd3d-ee9d-48a4-a281-78e68e99983c/88587545358.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6e31d813-b577-439f-9d95-65ac056410c9/tamukebavis.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6a0461e0-e8d2-42e6-a56a-96dfef3b722a/wadonukakelewo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/863c2df8-3417-4e9c-95a1-2c8e152a10dd/jamifenesifubiduletuvivi.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/6131/2664/files/garmin_instinct_user_guide.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/7887/9899/files/75762100418.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/17c72cb3-7b7e-4fe3-a5a5-fbb17d0b660e/90956568651.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/958ec95b-cf78-4959-bb3e-94735b90eaad/kibupaf.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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