Malicious PDF — malware analysis report

Heuristics 7

• 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.
• PDF carries website-builder CDN document link farm medium PDF_CDN_PDF_LINK_FARM
  PDF contains many clickable PDF links parked on website-builder CDNs or simple download gateways together with visible ebook, manual, or download lure text. This matches generated SEO document carriers used to route users through untrusted link/download chains; the PDF itself is an inert link carrier.
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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.club/123?keyword=cpa+auditing+and+assurance+notes+pdf In PDF document text

  • https://wivepeweg.weebly.com/uploads/1/3/1/4/131455463/pemigibirowemog.pdfIn PDF document text
  • https://xojerajap.weebly.com/uploads/1/3/1/3/131384359/83e38bb.pdfIn PDF document text
  • https://nakumupapetiz.weebly.com/uploads/1/3/2/7/132741615/4106382.pdfIn PDF document text
  • https://juzugimigiroteg.weebly.com/uploads/1/3/2/3/132302883/7748485.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365661/normal_5f8721091c8e6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368489/normal_5f8967992dbf0.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368501/normal_5f8a21b815d00.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366036/normal_5f883085d714d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366661/normal_5f871e95518e1.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4373008/normal_5f8a918444000.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366343/normal_5f872f4fabede.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365646/normal_5f87808f0d324.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365606/normal_5f875c662dfb9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367279/normal_5f8906d4c37c8.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367627/normal_5f8971f1512e1.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368229/normal_5f886947e91fc.pdfIn PDF document text
  • https://wepugimi.weebly.com/uploads/1/3/1/0/131070973/taladine-wirule-zufosedali.pdfIn PDF document text
  • https://saxexowiki.weebly.com/uploads/1/3/0/9/130969873/2568190.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_01_sfnt_off00008a66.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_01_sfnt_off00008a66.bin)
  • https://cdn.shopify.com/s/files/1/0437/2021/2645/files/electromagnetic_spectrum__light_-_webquest_answers.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/6265/7177/files/shes_so_heavy_across_the_universe.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/5451/7410/files/ice_axe_size.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0492/3080/7196/files/hedda_gabler_norsk.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_01_sfnt_off00008a66.bin)
  • http://dejavu.sourceforge.netIn extracted file (font_03_sfnt_off0000ce96.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_03_sfnt_off0000ce96.bin)

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