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://ttraff.me/pify?keyword=honors+biology+study+guide+for+finals In PDF document text

  • https://daletutanedura.weebly.com/uploads/1/3/1/6/131636587/sipewibuwuwaxo.pdfIn PDF document text
  • https://dojarugakafep.weebly.com/uploads/1/3/4/4/134471698/nodupiwalu.pdfIn PDF document text
  • https://bekarofadu.weebly.com/uploads/1/3/4/3/134346179/dagupu_gokebi.pdfIn PDF document text
  • https://guwomenod.weebly.com/uploads/1/3/0/8/130873843/3409757.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/henghuili-files2/pros_and_cons_of_selective_breeding_gcse.pdfIn PDF document text
  • https://s3.amazonaws.com/luropi/55374186152.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/caab4f82-cfae-462e-ab41-6383d1bee7b0/zekvoz_heroic_guides.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/1825/5510/files/cisco_router_configuration_guide.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8f46bcfe-3981-479e-8773-1b563d91a781/67265501732.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/0082/3460/files/24365315488.pdfIn PDF document text
  • https://s3.amazonaws.com/zuxadol/61367912625.pdfIn PDF document text
  • https://s3.amazonaws.com/mulerux/79196106913.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0479/7569/4492/files/79971691720.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0268/8378/4875/files/pioneer_ddj_sx2_user_guide.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/09fbea95-af6c-48b2-8868-a156fdd0ad08/mavuj.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0439/5129/2584/files/kunanadir.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d0276bd9-ac14-4465-8269-8b1de4d85a49/jewish_literacy_in_roman_palestine.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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