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://cctraff.ru/strik?keyword=ekko+guide+season+9 In PDF document text

  • https://jakedekokobara.weebly.com/uploads/1/3/1/3/131381480/0cbd7f35736ab.pdfIn PDF document text
  • https://gevafitasib.weebly.com/uploads/1/3/1/3/131380901/e27909d0be.pdfIn PDF document text
  • https://zoxuzuxebexot.weebly.com/uploads/1/3/0/9/130969059/3079835.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/0012/6880/files/raisin_in_the_sun_study_guide.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/6127/8870/files/bethel_middle_school_nc.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/3486/1991/files/wozinelo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/91a5949c-24b5-41b2-ac02-af5989974a63/luxorojevozirogirasarexiw.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/741dc3a6-8261-497a-b62c-fd90678448b7/wedevejabadivuwikasupozik.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4700b4a2-8b26-4711-9523-28b8831c47b6/64276337750.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/53d7acf8-db1f-489c-9092-91c5818d8faa/87855748860.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0493/3838/4543/files/zetakulaxovofogibes.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/2189/1746/files/dr._peter_glidden_selenium.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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