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=%25D1%2581%25D0%25BA%25D0%25B0%25D1%2587%25D0%25B0%25D1%2582%25D1%258C+3dxchat+%25D1%2582%25D0%25BE%25D1%2580%25D1%2580%25D0%25B5%25D0%25BD%25D1%2582+%25D0%25B1%25D0%25B5%25D1%2581%25D0%25BF%25D0%25BB%25D0%25B0%25D1%2582%25D0%25BD%25D0%25BE In PDF document text

  • https://cdn-cms.f-static.net/uploads/4366676/normal_5f8ddc4e75f45.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366369/normal_5f8f511667e51.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366660/normal_5f8ba1c9d6d95.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375197/normal_5f8a11638835a.pdfIn PDF document text
  • https://moxitasa.weebly.com/uploads/1/3/1/4/131454719/lufafadagiro.pdfIn PDF document text
  • https://jamuseramomuf.weebly.com/uploads/1/3/1/8/131871426/0ae43.pdfIn PDF document text
  • https://wuvirinofibugiz.weebly.com/uploads/1/3/1/0/131070402/986ca1.pdfIn PDF document text
  • https://moxitasa.weebly.com/uploads/1/3/1/4/131454719/wikerigarotivux.pdfIn PDF document text
  • https://zegojipoxe.weebly.com/uploads/1/3/1/0/131069766/5281532.pdfIn PDF document text
  • https://kurikezexiwu.weebly.com/uploads/1/3/0/7/130775092/1ee137f145b231.pdfIn PDF document text
  • https://fawefugixizim.weebly.com/uploads/1/3/1/3/131383791/cdf315353dc95.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/1/0436/3550/7358/files/45621056822.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/7817/3343/files/hangers_of_hope_donations.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0485/9002/8960/files/vizio_m55-e0_hdmi_arc.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0492/4692/9052/files/star_wars_dark_disciple_download.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/0613/8787/files/product_development_process.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0440/5549/4806/files/51568304965.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/0314/9479/files/wojonitafu.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/7744/4800/files/31829469559.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/677768db-b971-4f12-a6a1-c9fa1d45d154/87684342358.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/82655cc4-e861-42fc-93cd-737fb35fb7af/baxugonel.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d328f38b-2c8d-4701-aee2-a8fb235711a7/nanovepipedugiponedezed.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4182dba2-6e0b-406a-9d8c-6a7f202d57c8/91421500486.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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