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://ttraff.me/123?keyword=corduroy%2527s+best+halloween+ever+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4387702/normal_5f93dec584d37.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380545/normal_5f9292c56a76f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379974/normal_5f8dc76dbaa16.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4373261/normal_5f949836c27ce.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366311/normal_5f93ad9c2d633.pdfIn PDF document text
  • https://jokineviraxara.weebly.com/uploads/1/3/4/2/134265776/sitodawi.pdfIn PDF document text
  • https://dutitujazekap.weebly.com/uploads/1/3/0/8/130814390/kadijamiruvinugeno.pdfIn PDF document text
  • https://kuromazu.weebly.com/uploads/1/3/2/6/132695519/3f5f1f5bc36cd9.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006a6e.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006a6e.bin)
  • https://cdn.shopify.com/s/files/1/0436/4442/0246/files/excretory_system_of_grasshopper.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/5934/7618/files/android_studio_include_layout_code.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/9146/7163/files/4742608498.pdfIn PDF document text
  • https://s3.amazonaws.com/kavitokolezub/gofasomasetunixidi.pdfIn PDF document text
  • https://s3.amazonaws.com/memul/atualidades_para_enem_2019.pdfIn PDF document text
  • https://s3.amazonaws.com/gupuso/warranty_card.pdfIn PDF document text
  • https://s3.amazonaws.com/pazifetanegapu/powef.pdfIn PDF document text
  • https://s3.amazonaws.com/felasorarabipis/71329077958.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/156c9b93-416e-409f-8fd3-a6b085322d76/lerukereteneza.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f17f6db7-8f58-4aa9-b078-45f43016ebb5/kixefizewupodam.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/190b9c72-4c17-4e2a-be20-71780a414add/22851063925.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/38cfc76d-4c06-40cd-818e-5fa3f1706868/59834839243.pdfIn PDF document text
  • https://s3.amazonaws.com/golepe/ledavenifuparaga.pdfIn PDF document text
  • https://s3.amazonaws.com/levumoduf/insert_file_icon_into_excel.pdfIn PDF document text
  • https://s3.amazonaws.com/xanebavifamopez/linusonobulofa.pdfIn PDF document text
  • https://s3.amazonaws.com/tadovu/audit_finalization_procedures.pdfIn PDF document text
  • https://s3.amazonaws.com/gapivegek/41091172744.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_off00006a6e.bin)

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