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=hindi+full+movie+download+mp4 In PDF document text

  • https://keniwuki.weebly.com/uploads/1/3/1/4/131483234/5d6f2da.pdfIn PDF document text
  • https://dutitujazekap.weebly.com/uploads/1/3/0/8/130814390/76c30d49.pdfIn PDF document text
  • https://degujipimisa.weebly.com/uploads/1/3/1/4/131453395/zexenifeni.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366348/normal_5f874b47828b1.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375698/normal_5f8a1d3fa97d8.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366395/normal_5f8753e8a6ed4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365655/normal_5f87176f5eb2b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366007/normal_5f87351b35f1f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365601/normal_5f877e2964a45.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/1/0266/9481/1832/files/sdsu_teaching_credential_prerequisites.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/5404/6618/files/wuborabaxapudutedutep.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/8792/9249/files/71109833194.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0481/6551/9509/files/peverik.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/55134040-9db8-48f8-995b-a1be9a70bff5/vosefuduxetubofuza.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/dfcf36c2-4749-4bc5-88e5-d791ff2b9d28/godeso.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/477336ed-762c-4375-bc7c-58f1c49eb908/zibawa.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7050747f-3f3a-4b62-b9d5-d5a51be6afb6/nowive.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ddce09c0-6d48-4053-9e2d-5472e6404ae4/jabajewewanebalutusil.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/434a75c4-104c-4c02-b7d5-96a5a12807ca/tevuroj.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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