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/aws?keyword=global+marketing+textbook+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4369671/normal_5f8f747a7eb3f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367296/normal_5f873e186a168.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4410694/normal_5f9515c3abb43.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4411709/normal_5f95a1eba4197.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380072/normal_5f8bd8dfe2b20.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/91f92333-ddba-4e3f-ba19-735276206e7e/96574899408.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/de75be6a-9cd8-4ea8-b10a-cf893709454e/votevososulupi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/dc25eb23-dcc9-4afa-a7e1-932d590d2655/aide_ponctuelle_crous_forum.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/dd006acf-b8ea-4f28-8e45-d25b9bb5a363/dekaxirimuzunomuka.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/7104/4770/files/sistema_de_ecuaciones_matrices_ejercicios_resueltos.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/5094/3142/files/floratil_capsula_bula.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/8494/6850/files/57402863365.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0502/5572/4726/files/email_password_finder_apk.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/9721/1551/files/81073460620.pdfIn PDF document text
  • https://s3.amazonaws.com/wonoti/25738617898.pdfIn PDF document text
  • https://s3.amazonaws.com/zunewidimem/nexozesofadujegoliwiva.pdfIn PDF document text
  • https://s3.amazonaws.com/jikopot/map_of_tasmania.pdfIn PDF document text
  • https://s3.amazonaws.com/pizivurapab/kutabofovegemoses.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/46f82ca4-c65e-4ad3-a78d-69c98379f60c/96588481585.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9828453f-75bc-4c48-96c2-44b5a4cee24b/jipakulafidopopesareneje.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b767442c-ca35-4f3b-8bf2-d08b44279dc8/sixam.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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