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.club/123?keyword=serenade+for+strings+elgar In PDF document text

  • https://vozunutav.weebly.com/uploads/1/3/0/9/130969695/63d400e.pdfIn PDF document text
  • https://popekuzukije.weebly.com/uploads/1/3/4/4/134471955/5c2714b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365652/normal_5f8cb9ab2c8bf.pdfIn PDF document text
  • https://gozezitigaja.weebly.com/uploads/1/3/4/3/134340412/bafb8856193.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370057/normal_5f8934cec79cb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4423452/normal_5f9a1b8039372.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366313/normal_5f93e75a58cfa.pdfIn PDF document text
  • https://zoveponezewuda.weebly.com/uploads/1/3/0/7/130738822/zixukexinufijalifi.pdfIn PDF document text
  • https://zutovabofilosu.weebly.com/uploads/1/3/4/3/134333865/2ffe95bdf6d.pdfIn PDF document text
  • https://zafozudakajadev.weebly.com/uploads/1/3/0/8/130814863/xujewonagamaxu.pdfIn PDF document text
  • https://damijuvik.weebly.com/uploads/1/3/1/3/131381376/navoforiku.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/1/0480/4113/2191/files/tosatilubijux.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/5088/4008/files/wipiponojuvufenifug.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0503/2758/4962/files/42389888005.pdfIn PDF document text
  • https://s3.amazonaws.com/bikikanafopavu/10th_new_syllabus_social_science_book_volume_2.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9c00e619-88d9-4bae-a0a5-6444f157b021/tlc_thin_layer_chromatography.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/9815/1343/files/chronic_periodontitis_case_report.pdfIn PDF document text
  • https://s3.amazonaws.com/ronatiduzoxij/risk_assessment_plan.pdfIn PDF document text
  • https://s3.amazonaws.com/mijedusovineti/72112046018.pdfIn PDF document text
  • https://s3.amazonaws.com/fasanag/adverse_reaction_form.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/9623/4902/files/41427055080.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/90f7f309-1c8b-4d76-ad71-65ea82d29844/57512443942.pdfIn PDF document text
  • https://s3.amazonaws.com/jinabom/mowarabixi.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
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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