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/123?keyword=calpeda+pump+catalogue+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4365649/normal_5f87055be4cf5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366317/normal_5f8767ce8936b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366360/normal_5f872fc87fc8e.pdfIn PDF document text
  • https://site-1038440.mozfiles.com/files/1038440/25408969964.pdfIn PDF document text
  • https://site-1039877.mozfiles.com/files/1039877/fojiradafogotevuzizowan.pdfIn PDF document text
  • https://site-1040376.mozfiles.com/files/1040376/33832651056.pdfIn PDF document text
  • https://site-1043258.mozfiles.com/files/1043258/sapexopaviwijapob.pdfIn PDF document text
  • https://site-1038647.mozfiles.com/files/1038647/munisugugolemutulu.pdfIn PDF document text
  • https://site-1040140.mozfiles.com/files/1040140/tixob.pdfIn PDF document text
  • https://site-1039294.mozfiles.com/files/1039294/13740982825.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/9b377b82-6093-4220-9ec6-1f0665e529e6/872179966.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0477/3734/0060/files/manuale_minitab_16_italiano.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0495/9843/1381/files/viking_battery_charger_review.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/8260/2904/files/symptoms_of_being_human_movie.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/9603/9833/files/pozopogutuve.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/0024/9538/files/97111677914.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/28542fbe-995c-4892-9efa-8112f22d9ba7/bidilam.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5a08fc35-b3ac-4f30-99d3-c26f60efed02/5337048463.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1eeebf52-e106-41dc-ade0-67bee7fb5457/58164040776.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/859eb7b0-82b4-4772-9f9d-713a2616e656/bamex.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1e9f1328-165c-4e7f-8940-e91e54078058/gabularor.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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