Malicious PDF — malware analysis report

Heuristics 4

• 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.
• 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://gettraff.ru/wb?keyword=victorian%20era%20lower%20class%20women%20clothing In PDF document text

  • https://cdn-cms.f-static.net/uploads/4367621/normal_5f8e6a28afbd5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4443292/normal_5f9d3c59a4e1b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4461763/normal_5fa1a074def1a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4382952/normal_5f934746b6cb4.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/0ec41cea-8819-41df-9dd8-9c305c429bc4/hunter_ceiling_fan_replacement_blade_irons.pdfIn PDF document text
  • https://s3.amazonaws.com/henghuili-files/lodiketarupafadogujero.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8a7d4762-cb7b-4dfb-89af-139c55f0fb1c/5081011563.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9037391a-4cf4-4ea2-bc86-281bd088f090/80259296855.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9dc855ad-bd6d-44e3-8534-a98c2bd0021c/38983766482.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1bf6fe5b-69eb-49ea-8a71-b2050705b48d/holy_spirit_catholic_school_san_antonio.pdfIn PDF document text
  • https://s3.amazonaws.com/tetofamuxulil/xisifupinifewuxumobumesug.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1d76d7db-2404-4e66-a8ab-6ef145e1717e/pdf_driver_for_windows_8.1.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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