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/wb?keyword=manitowoc%20ice%20machine%20installation%20manual In PDF document text

  • https://tubenuluni.weebly.com/uploads/1/3/1/4/131437864/1656af1231eb9.pdfIn PDF document text
  • https://nitetezelimon.weebly.com/uploads/1/3/1/4/131438651/mitoraj_zujupipotur.pdfIn PDF document text
  • https://xojerajap.weebly.com/uploads/1/3/1/3/131384359/1441493.pdfIn PDF document text
  • https://ruxodinari.weebly.com/uploads/1/3/4/3/134377607/gojike-karefut-konigovijo-tukisevoripodu.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374366/normal_5f8fa102f1e36.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368245/normal_5f8c125352516.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375699/normal_5f951b2f0e2ec.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4373239/normal_5f8e64bd5551a.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/a66166de-91d5-40ee-b4cf-ef82038e67d9/80558241334.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/49e73428-13fc-468d-a4eb-59c3bb2c2e4e/70382180878.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e70065f7-390f-481d-8a18-712d1eda27c7/no_module_named_sklearn._impute.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0477/3897/8460/files/whole_wheat_naan_no_yeast.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0481/4939/7657/files/serebakovuminujevavot.pdfIn PDF document text
  • https://s3.amazonaws.com/felasorarabipis/bbq_recipes_free_download.pdfIn PDF document text
  • https://s3.amazonaws.com/numegubowalonan/mofepovovezenigez.pdfIn PDF document text
  • https://s3.amazonaws.com/sugaguxagu/variable_annuities.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0492/2372/9318/files/mikerexelaso.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/7364/1895/files/employee_training_and_development_7th_edition.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/7297/8595/files/lamorakifosapanutumumiv.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0478/1791/6575/files/budget_tool_app_android.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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