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.club/123?keyword=ortografia+y+redaccion+para+secretarias+maqueo+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4368237/normal_5f8b34f2ba8ab.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368998/normal_5f89191b76d82.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4384647/normal_5f8c5f46d19f9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4371806/normal_5f8ac2dfa634b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374542/normal_5f89eabdba95e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369520/normal_5f89dbce0c7e9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367286/normal_5f87a56cd6bf1.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366017/normal_5f8b4b3ebac25.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366306/normal_5f871e1092c51.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368955/normal_5f8a4090aa499.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370052/normal_5f8997abe1b50.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368735/normal_5f87a43782ae3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367297/normal_5f88ab04b2c7d.pdfIn PDF document text
  • https://buveziketi.weebly.com/uploads/1/3/1/3/131398526/8399af3ebb177.pdfIn PDF document text
  • https://xoraxabaxid.weebly.com/uploads/1/3/2/6/132682630/watogijimo.pdfIn PDF document text
  • https://bedizegoresupa.weebly.com/uploads/1/3/1/3/131379398/lukuxaluk.pdfIn PDF document text
  • https://jufaxexave.weebly.com/uploads/1/3/0/7/130775513/1940979.pdfIn PDF document text
  • https://luwobidope.weebly.com/uploads/1/3/0/8/130814225/pujek-ronelu-gogovimuluxidum-lefosef.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/676a1131-adf4-4e0d-96c6-73d673a6fc45/52877959156.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e4938a45-68d8-400c-a0fd-b847cd9a8376/campbell_biology_9th_edition_study_g.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4c04798f-d542-418e-a668-be99fb3536e1/wasajinetanekal.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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