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/aws?keyword=chapter+18+the+first+world+war+worksheet+answers In PDF document text

  • https://cdn-cms.f-static.net/uploads/4367004/normal_5f8c522d82d49.pdfIn PDF document text
  • https://xotuwajugi.weebly.com/uploads/1/3/4/3/134349857/3ff15fbda.pdfIn PDF document text
  • https://talowitutujuf.weebly.com/uploads/1/3/3/9/133999148/sinuku.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366381/normal_5f874aed41225.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4376611/normal_5f8bc534ee166.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/1/0499/9014/0064/files/miveralumopuvu.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/6286/0197/files/legasesofunezife.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/1354/4863/files/muxamuf.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5786848e-7c43-43e4-be66-bbc116ca9800/sodifumos.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0503/0884/1657/files/goodys_clothing_store_application.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0504/1461/6752/files/anganwadi_form_download_mp.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/3544/6433/files/31612433279.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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