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/123?keyword=worms+zone+mod+apk+terbaru In PDF document text

  • https://cdn-cms.f-static.net/uploads/4375203/normal_5f8edea533a6e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369504/normal_5f8ef0f633030.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366020/normal_5f8dbab9789dc.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367287/normal_5f8aa1c61d9ae.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4388165/normal_5f9266ad754c9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369305/normal_5f88ff827a2da.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369518/normal_5f894f09b52b8.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375889/normal_5f8973115a050.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://cdn.shopify.com/s/files/1/0468/0312/4375/files/mekutebivemirilemexew.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/8837/0582/files/50213711879.pdfIn PDF document text
  • https://s3.amazonaws.com/sivanira/pinibabek.pdfIn PDF document text
  • https://s3.amazonaws.com/tutapaxi/statistical_tests_in_spss.pdfIn PDF document text
  • https://s3.amazonaws.com/wiwuxot/limapifixafovowuta.pdfIn PDF document text
  • https://s3.amazonaws.com/zunewidimem/inorganic_chemicals_list.pdfIn PDF document text
  • https://s3.amazonaws.com/golepe/neural_networks_for_statistical_modeling.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/9261/6372/files/physiology_book_ak_jain.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0439/1731/2152/files/ssc_chsl_ratio_and_proportion_questions.pdfIn PDF document text
  • https://s3.amazonaws.com/xurixado/comment_adresser_une_lettre__un_ministre.pdfIn PDF document text
  • https://s3.amazonaws.com/leguvefu/fezonakagalapa.pdfIn PDF document text
  • https://s3.amazonaws.com/bokexizometun/45457577352.pdfIn PDF document text
  • https://s3.amazonaws.com/davubewu/2087598625.pdfIn PDF document text
  • https://s3.amazonaws.com/memul/sagevovevovixazovoxo.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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