Malicious PDF — malware analysis report

Heuristics 4

• 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.
• 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/strik?keyword=principles+of+microeconomics+study+guide In PDF document text

  • https://site-1040424.mozfiles.com/files/1040424/24014796357.pdfIn PDF document text
  • https://site-1040002.mozfiles.com/files/1040002/xumoka.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/29035941-a70e-43a4-9bc3-9ee269bc60e1/rugumuba.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/427e14c7-f57e-468d-b4c8-98547a4bcf51/gajosetelagamegazoj.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/042f4a93-c83d-45e3-81f9-1f88a2a56929/demem.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5cb65c3e-73aa-42b3-a2a2-09224996fe0b/69651307746.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/fc8dd4ed-7485-40a9-af80-89c0cf658744/nupuwariwasulepipiwev.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4290a097-8779-42c4-a83a-06d9a6e9cb47/japamef.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a92213c4-f221-47ee-ac63-09e187836fc2/60060609082.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/40d77fc1-70d6-430f-84e3-137cce3aa679/75526621716.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e43ee87f-491f-448e-b062-229e071c11ce/sajozuzolujenisodavogav.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b0c95a1b-fbb0-4d31-a591-e10fe46582c3/58564563892.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/739eecf7-13c7-4b0a-8015-a1a646700d06/63092201241.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f4c1f5cf-bb2e-45be-acb5-3bf065ed87f3/demosubimuz.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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