Malicious PDF — malware analysis report

Heuristics 6

• 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.
• Fake invoice / payment lure low SE_INVOICE_LURE
  Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
• 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/pify?keyword=math+logic+questions+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4378606/normal_5f94371064673.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4389582/normal_5f8eeebad829d.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00009c15.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00009c15.bin)
  • https://uploads.strikinglycdn.com/files/7d4eacae-a483-4a6b-993b-6bd999e03309/proform_475_e_elliptical.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/503ca783-215a-44a0-9e9c-82ae8c857726/35441398271.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/becad7d2-82f7-4f48-bda6-58be360b4ed3/ejercicios_de_limites_al_infinito.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/29c35108-7e4a-49c7-8f6e-5c7652f2e6aa/29190742456.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/89634804-39cf-4fe1-b9a9-f293ee9bd5de/nawapidabugi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/860b686a-078c-4e13-a6c8-429f3e80d2b7/lojakomavekivuvax.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/597c5cf3-90a0-4068-89e6-44df50fb3054/manual_de_paginas_web.pdfIn PDF document text
  • https://s3.amazonaws.com/mamukawaxatali/.pdfIn PDF document text
  • https://s3.amazonaws.com/xarojapi/laliz.pdfIn PDF document text
  • https://s3.amazonaws.com/temujonuwu/awlgrip_topcoat.pdfIn PDF document text
  • https://s3.amazonaws.com/jepavilutabilel/vijevejafevorug.pdfIn PDF document text
  • https://s3.amazonaws.com/nowokil/capitalism_without_capital_download.pdfIn PDF document text
  • https://s3.amazonaws.com/mijedusovineti/sr_flip_flop_truth_table.pdfIn PDF document text
  • https://s3.amazonaws.com/bupaxomu/83061518912.pdfIn PDF document text
  • https://s3.amazonaws.com/tetazino/bejisojobalutefewewa.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/1560/2339/files/multivariable_calculus_briggs.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/0809/7944/files/one_month_keto_diet_plan.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_off00009c15.bin)
  • http://dejavu.sourceforge.netIn extracted file (font_03_sfnt_off0000e3f3.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_03_sfnt_off0000e3f3.bin)

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