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=mt+sac+invitational+2020 In PDF document text

  • https://cdn-cms.f-static.net/uploads/4365555/normal_5f89cebaec82c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4391340/normal_5f9634871129d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4378830/normal_5f8a4665b6aa5.pdfIn PDF document text
  • https://dirigesibujov.weebly.com/uploads/1/3/0/9/130969991/43f9db53ee5.pdfIn PDF document text
  • https://sepenunaxob.weebly.com/uploads/1/3/0/7/130776074/1642568.pdfIn PDF document text
  • https://saxibodusazo.weebly.com/uploads/1/3/0/7/130740440/956778.pdfIn PDF document text
  • https://bubixoduxufito.weebly.com/uploads/1/3/1/0/131070588/gexog_giluwifobobogom_sobalifew_folokotozawo.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000628a.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000628a.bin)
  • https://cdn.shopify.com/s/files/1/0486/2705/6808/files/derecho_laboral_en_bolivia_2020.pdfIn PDF document text
  • https://s3.amazonaws.com/petikamov/zuzitujeraduwojoloxajake.pdfIn PDF document text
  • https://s3.amazonaws.com/zetare/lalagowixan.pdfIn PDF document text
  • https://s3.amazonaws.com/zijivevip/gebumadizu.pdfIn PDF document text
  • https://s3.amazonaws.com/loxopudizus/sejijuvawerasop.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0502/9462/0333/files/tragedy_of_the_commons_article.pdfIn PDF document text
  • https://s3.amazonaws.com/baxegezivumi/lojobotezoxudedaxapafukez.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0268/7513/4135/files/manuali_scrittura_creativa.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/9991/2869/files/47550113240.pdfIn PDF document text
  • https://s3.amazonaws.com/zalomi/agile_software_development_principles_patterns_and_practices_c.pdfIn PDF document text
  • https://s3.amazonaws.com/fibesezati/ielts_speaking_band_9_vocabulary.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0503/2951/8243/files/tijatoxafanobevakegu.pdfIn PDF document text
  • https://s3.amazonaws.com/gupuso/zimafapadebipal.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 extracted file (font_00_sfnt_off0000628a.bin)

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