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://ttraff.me/123?keyword=kpmg+internship+2020+london In PDF document text

  • https://wepugimi.weebly.com/uploads/1/3/1/0/131070973/8448799.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366958/normal_5f894798f01e4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375884/normal_5f8d510170723.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4404299/normal_5f920364e23e0.pdfIn PDF document text
  • https://lulitetuxopibol.weebly.com/uploads/1/3/1/1/131164377/desuxomirosikape.pdfIn PDF document text
  • https://kokexofagisukop.weebly.com/uploads/1/3/2/7/132710589/ea2e27eb4faee.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/68699471-a307-441d-a09e-15ecc8c6177b/37580024650.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e4b18e64-d544-43fb-8c7f-4f85ca3e184b/17580112199.pdfIn PDF document text
  • https://s3.amazonaws.com/subud/54982275778.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ae468738-5fa9-4deb-8827-c83a525e46d2/24667160603.pdfIn PDF document text
  • https://s3.amazonaws.com/xumakomowi/volexizoz.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/0613/8787/files/exercicios_sobre_globalizao.pdfIn PDF document text
  • https://s3.amazonaws.com/gupuso/corporate_philanthropy_definition.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/10acd70a-41f8-41da-a0f9-d53eb2e2748f/27822161965.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/15bf7122-3c05-4bbe-847e-d2cfda434ee9/19177710031.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/df756245-bf7d-47bb-bab4-b43e237d45ff/mainstays_logan_tv_stand_instructions.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0485/7973/9813/files/35656195821.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/012997b1-ada6-4874-8c37-d0103a21cef4/colombia_peace_agreement.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d9598c25-f610-4716-a07f-93ee9e3aa436/the_story_of_an_hour_by_kate_chopin.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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