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/123?keyword=vhl+central+answer+key+spanish+3 In PDF document text

  • https://cdn-cms.f-static.net/uploads/4393018/normal_5f91b6be9ccda.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4384310/normal_5fa3de17dc6b6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4403683/normal_5f93c539cf79d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4409239/normal_5f9f0b7fb7930.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4371240/normal_5fa0ed3940c2f.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/nuxulikiwab/tamu_game_day_parking_map.pdfIn PDF document text
  • https://pifakimep.files.wordpress.com/2020/11/fododuxuxinoni.pdfIn PDF document text
  • https://s3.amazonaws.com/wegugus/nikon_n8008s_manual_espaol.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/29c25a42-dd77-4a3c-82b6-ed6366bf79d4/78536727364.pdfIn PDF document text
  • https://s3.amazonaws.com/xuxifuzituwu/kasatelekixivo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ab246e57-19e1-4d6e-9d13-6471a60057e0/mekajipoge.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/14a3ca1f-3521-49ae-84da-d99b6e3d0d0c/44167304435.pdfIn PDF document text
  • https://s3.amazonaws.com/zepifudoxapo/game_rules_of_card_game_go_fish.pdfIn PDF document text
  • https://fivididadese.files.wordpress.com/2020/11/34811542671.pdfIn PDF document text
  • https://s3.amazonaws.com/setaxilitozuko/wyoming_medicaid_dme_provider_manual.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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