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://traffmen.ru/wb?keyword=sector%20111%20car In PDF document text

  • https://cdn-cms.f-static.net/uploads/4382620/normal_5f979064d4d5c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4373986/normal_5f89ef7603d77.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4389601/normal_5f908bee5f64e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366040/normal_5fa0dde776275.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/ea9edef8-6621-4c05-9af0-b740dfdd6fb1/57383238667.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9dfa3d33-e5d4-4133-8a24-a1c49b006e41/42402689590.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9ca8c089-27df-4e50-9df2-df8f121da49a/27317191036.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/dcf90548-cb95-43a3-9424-a9bb5659cd5c/zadujikirabejuxonazabiv.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9bf0b80b-3387-401d-b27f-b885dd24464e/eyelet_curtain_width_guide.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/979ef6f3-1205-49e4-bddc-187ab6f282ed/engineering_vibration_solution_manual.pdfIn PDF document text
  • https://s3.amazonaws.com/xapidajovaji/pefazivomu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b181e210-07d2-47c0-ac0b-9154b7824579/54881310692.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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