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.link/aws?keyword=kidney+stone+%25E0%25B8%2584%25E0%25B8%25B7%25E0%25B8%25AD+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4377400/normal_5f907817a35a6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368964/normal_5f8938b71129c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366350/normal_5f8720cf36532.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365575/normal_5f8719835a679.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365562/normal_5f870ddb47a0a.pdfIn PDF document text
  • https://tiferivirukituk.weebly.com/uploads/1/3/4/4/134433041/jimepazit-nomudiwix-ramoto-gabuki.pdfIn PDF document text
  • https://lixaworone.weebly.com/uploads/1/3/1/8/131871871/sikaziwixusuxik.pdfIn PDF document text
  • https://zalopajozi.weebly.com/uploads/1/3/1/4/131453352/dowulonejikokul.pdfIn PDF document text
  • https://ziripovopibew.weebly.com/uploads/1/3/0/8/130874468/vitumot.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369162/normal_5f88ad9c4e477.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366007/normal_5f8e33c1363b6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4387819/normal_5f9117f151b23.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366398/normal_5f876ed12285c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374002/normal_5f8ebf2156ff1.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367312/normal_5f87ac925b66b.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000093be.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000093be.bin)
  • http://www.opentle.orgIn extracted file (font_01_sfnt_off0000a41b.bin)
  • https://cdn.shopify.com/s/files/1/0486/1896/3109/files/roku_secret_menu_wifi.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/8902/5942/files/10368913835.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/680c80b8-0044-4bfa-9ca5-08601e050966/zopofovuduwaliges.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5515e448-d9a7-4259-a0d4-a4b11ea8cf33/59966800284.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1db7b09d-ff35-4e37-98a5-54a28ac847b5/32834603826.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_off000093be.bin)
  • http://www.gnu.org/licenses/gpl.htmlIn extracted file (font_01_sfnt_off0000a41b.bin)

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