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.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• 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/pify?keyword=draw+design+app+android In PDF document text

  • https://cdn-cms.f-static.net/uploads/4387821/normal_5f8d1ccb32a2e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366304/normal_5f87159b69349.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379473/normal_5f8b60f3a6a63.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4371524/normal_5f92a4fb8cd08.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366668/normal_5f877e90b8b08.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370053/normal_5f89fb8e1f0eb.pdfIn PDF document text
  • https://rebivawofud.weebly.com/uploads/1/3/4/3/134375894/puzugofamexine.pdfIn PDF document text
  • https://fupefasupemeze.weebly.com/uploads/1/3/4/3/134315788/zirupatoguje.pdfIn PDF document text
  • https://fabedajigunud.weebly.com/uploads/1/3/4/4/134480588/movuvemosixipeb.pdfIn PDF document text
  • https://gonoloxezejuje.weebly.com/uploads/1/3/1/4/131410007/suduburo.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00007138.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00007138.bin)
  • http://www.daltonmaag.com/In extracted file (font_02_sfnt_off0000a705.bin)
  • https://s3.amazonaws.com/fosalizuzu/imperative_functional_programming.pdfIn PDF document text
  • https://s3.amazonaws.com/fibesezati/efek_samping_antasida.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0494/6444/3047/files/bojadir.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/2626/7291/files/83056509631.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/2887/3367/files/6029928421.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d0280852-91a7-4e32-93b0-03e3d5da7b61/mypin_ta4_ssr.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b058d8fa-0d8a-4fad-9338-8b0aa198c542/likiwamigide.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8fd8a47d-75c8-4f29-8e54-c5df1a82e4dc/niviwoguferekujokizemopo.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_off00007138.bin)

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