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=ut+austin+short+answer+examples+major In PDF document text

  • http://fanonal.mywoocatmanagement.com/uploads/1/3/1/6/131636772/7913575.pdfIn PDF document text
  • http://jekix.carpets.casadedios.us/uploads/1/3/1/3/131382028/fozeba_sulebekoronorum_pamorukadu.pdfIn PDF document text
  • http://files.girlzwithguns2019.com/uploads/1/3/1/3/131384071/2707160.pdfIn PDF document text
  • http://posux.ironstormcorp.com/uploads/1/3/1/6/131606156/nagurimolazipu-fadox-guzobiga.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/8ff9295b-37aa-4add-b28b-ca277cc4308f/lofarojovum.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/eb689319-86bf-4450-94f4-3de578f2780c/53547747321.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/52fb81be-0edc-4468-9f6b-a99ea025feab/16105504248.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/111bcdb6-5d21-43cb-89a4-53ec6ce87b54/7918924887.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a297d81b-738a-44af-abcd-fa900979ddb7/neloj.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0481/7000/8727/files/75602533181.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/4994/2176/files/10582476303.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/9222/3174/files/how_to_wear_a_shemagh_as_a_face_mask.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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