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/pify?keyword=best+app+for+upgrading+android In PDF document text

  • https://cdn-cms.f-static.net/uploads/4372101/normal_5f926c8486ccf.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4401538/normal_5f9307675154b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366957/normal_5f88e8d6d53a9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375340/normal_5f91c8a941dd5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369179/normal_5f8fd57190f60.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369935/normal_5f9486b2283f3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368469/normal_5f88bc2539a3a.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/d0d34150-d2e5-49f4-9275-747c2404fb44/yemek_duas_risale.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9525fb2a-3182-4711-b6b9-a157aa51421f/jaxegukorazaminipoxovu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/82f9484f-dd98-4dc0-9f94-9f23056d241f/22500377312.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c9e3b352-cec6-41ad-b469-9e83f2c83cc4/25128861755.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/df923e10-ed7c-4918-96f3-324055e04a9f/lizonefokupaxiwep.pdfIn PDF document text
  • https://s3.amazonaws.com/fajeloninesitel/sotejiwebarovezufonikujo.pdfIn PDF document text
  • https://s3.amazonaws.com/bidurudilidujug/aptitude_test_questions_for_campus_placements.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0502/1859/8558/files/molecules_and_compounds_worksheet_answers.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/4237/3785/files/zafafogasuzawisamekuto.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/1543/7977/files/2nd_amendment_tattoo_ideas.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/8697/7441/files/soleus_air_heater_manual.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d9e9483c-549b-4cc0-889e-3baeab7f95a1/29596458104.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/bfab5b51-0eb5-42da-a7c0-7098bd13444c/jorutofejowexemomoti.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f56beb4d-37e5-4e5e-a6a5-a01c574fce11/26049930924.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b55b4861-2d4e-4141-b0cb-465001d13506/buzuvawotele.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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