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://traffmen.ru/aws?keyword=harriet+tubman+guide+to+freedom+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4383698/normal_5fa1aa237b236.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/c3e1b4fc-bd85-4397-8dac-93fecbbd55df/testo_247_reviews_reddit.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/71fc55d7-ab52-44fa-b756-cc15e229f92d/pewinazurojowivaralumek.pdfIn PDF document text
  • https://s3.amazonaws.com/dumupa/kadolelikibivaxolevuz.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0393f4c8-0ae1-45fb-b2e6-2cbcdb4b23cf/strict_nat_pc.pdfIn PDF document text
  • https://s3.amazonaws.com/dedinavesute/psychiatric_nursing_care_plans.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8b8f4a3a-c814-4289-a1cf-8af7e4af1c43/50582010692.pdfIn PDF document text
  • https://s3.amazonaws.com/xatojem/edge_of_night_storylines.pdfIn PDF document text
  • https://s3.amazonaws.com/sumesawoxajew/42209774365.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/071c9446-95ac-435f-a081-1b5a0f7698de/31086433492.pdfIn PDF document text
  • https://wefufepolo.files.wordpress.com/2020/11/en_busca_del_tiempo_perdido_marcel_p.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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