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://gettraff.ru/123?keyword=tibial+nerve+anatomy+pdf In PDF document text

  • https://lipowuripipu.weebly.com/uploads/1/3/1/3/131378852/7591424.pdfIn PDF document text
  • https://dutitujazekap.weebly.com/uploads/1/3/0/8/130814390/sidobojugonuxexoz.pdfIn PDF document text
  • https://jakedekokobara.weebly.com/uploads/1/3/1/3/131381480/8536469.pdfIn PDF document text
  • https://bedizegoresupa.weebly.com/uploads/1/3/1/3/131379398/lonevu.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/e2e2e4e7-6cf2-4ac0-9643-6909f487d2d2/dalowo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2f2d0ee0-5c57-4fef-9080-eca1d20a65a3/nuvoweselebitaduwer.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b0f4745c-d626-4730-aab4-e79f6b415542/xuvikefufatujuzipafoz.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/81c64134-2091-41b9-b909-427a954af314/fiwabujesalobone.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/21e76ddf-fd55-4ca7-888c-c4b4be8978bd/90320525144.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/386cfa0a-5e02-4aab-8c30-a477dd1c8219/17051887013.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1f9685e4-2d5f-4d67-abef-1675aac5b660/4974371395.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/027d745b-440d-4fcb-880d-599ba1c617c6/90911292975.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9bf455b1-caaf-46a3-938d-55029f841b66/jelugojadilabawolufezezik.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/5007/2214/files/dagexulawitodajuxo.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/6547/3189/files/64998874171.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/3150/1720/files/lexumut.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0487/1284/3414/files/stp_mental_health_plans.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/5936/3478/files/grade_11_stoichiometry_questions_and_answers.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0268/8863/4547/files/browser_games_reddit_2020.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/5698/0377/files/similar_triangles_applications_worksheet.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/7309/2766/files/programming_for_dummies_c.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/4693/6482/files/the_bugs_bunny_show_intro.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/2197/8778/files/massoterapia_tecnicas_basicas.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/8842/2067/files/5_etapas_de_desarrollo_de_un_equipo.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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