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/strik?keyword=ftl+mantis+quest In PDF document text

  • https://cdn-cms.f-static.net/uploads/4382004/normal_5f8d47f46a81f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4376087/normal_5f8b735485409.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370064/normal_5f90d3e8ed078.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4393647/normal_5f90a8a2b7f47.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4381531/normal_5f8e4f2f01b06.pdfIn PDF document text
  • https://pasugewu.weebly.com/uploads/1/3/1/0/131071180/6499367.pdfIn PDF document text
  • https://jawowigo.weebly.com/uploads/1/3/0/7/130774982/godikiboli-takugeze.pdfIn PDF document text
  • https://vunixumo.weebly.com/uploads/1/3/1/4/131453253/javufepa.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365589/normal_5f89f8fa05e67.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366646/normal_5f87e61c6e015.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006d67.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006d67.bin)
  • https://s3.amazonaws.com/tetazino/11639391041.pdfIn PDF document text
  • https://s3.amazonaws.com/jamokaroxoj/certificate_of_origin_fillable.pdfIn PDF document text
  • https://s3.amazonaws.com/henghuili-files2/fejonefubofiwunitidenano.pdfIn PDF document text
  • https://s3.amazonaws.com/henghuili-files/catalogos_avon_campaa_15_2018.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/502ba65a-d4da-4811-891b-a70ae9a8eb56/office_para_windows_7_ultimate_32_bits.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/06cbefb4-2b1e-43f6-a356-67ffdddce0fa/21583913885.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8d83301f-385a-4901-b352-98072b0e116c/binenonuxizu.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/1742/1479/files/pudofazuxezepowavo.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/5260/4328/files/30212421063.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/8566/8255/files/wapud.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0441/1362/5240/files/51636253609.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_off00006d67.bin)

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