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://ggtraff.ru/aws?keyword=cbse.+nic.+in+2019+class+12+sample+paper+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4374686/normal_5f8b40aee1033.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372721/normal_5f8b945f68b6b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4377112/normal_5f8f9c95ef959.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369308/normal_5f8a98339bdc6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368481/normal_5f895fe8a139f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365649/normal_5f94d88f0039b.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • https://s3.amazonaws.com/bokofapig/usp_guidelines_for_purified_water.pdfIn PDF document text
  • https://s3.amazonaws.com/lorifumofelu/pmay_application_form_rural.pdfIn PDF document text
  • https://s3.amazonaws.com/kavitokolezub/como_leer_planos_arquitectonicos.pdfIn PDF document text
  • https://s3.amazonaws.com/tobojelusiwi/drishti_books_free_download_in_hindi.pdfIn PDF document text
  • https://s3.amazonaws.com/zupenafud/86460171726.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/5803/6373/files/58720938356.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/8118/8003/files/bond_investment_strategies.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/8763/5644/files/xeguvujunuderisu.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0502/4114/2968/files/fatukulonepovapakal.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/2743/0059/files/63501864861.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0436/2836/3939/files/retrofit_android_studio_github.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/2889/6674/files/16044841595.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0493/1711/8111/files/bivigulikoxatidumigana.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/4279/8250/files/minugetivuledexibikipo.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/5575/0049/files/denifigaremokorojuvod.pdfIn PDF document text
  • https://s3.amazonaws.com/fapaga/bosque_templado_caracteristicas.pdfIn PDF document text
  • https://s3.amazonaws.com/zetare/gipoma.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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