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/strik?keyword=bedpage+personals+yakima In PDF document text

  • https://cdn-cms.f-static.net/uploads/4378171/normal_5f98299fa27c2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4417808/normal_5fa03e3f3df72.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4387709/normal_5f9ba3f114e38.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4421466/normal_5f9e46ffbd27a.pdfIn PDF document text
  • https://damijuvik.weebly.com/uploads/1/3/1/3/131381376/64ed39d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4386837/normal_5f94be0452e85.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383574/normal_5f8d6b1f3d9c2.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/29adad9e-9c64-4f15-ba81-36a9eba5494c/tera_priest_guide.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/6874/2040/files/seafloor_spreading_download.pdfIn PDF document text
  • https://s3.amazonaws.com/lakadutof/guxuzu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/20f99c39-1fe7-49f8-9744-d80357c046a9/dicks_sporting_goods_treadmills.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e79ddae1-4e8f-477a-bdcb-8b8040218d0a/20_unit_apartment_building_plans.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0503/8938/5403/files/44362085166.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b1b9b1e6-427d-4842-879a-0f4611e0eacf/92124147731.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/25a8ad21-b31c-414d-bbc3-0ecaa3723beb/wish_promo_codes_for_existing_customers_2020_free_shipping.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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