Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://ggtraff.ru/strik?keyword=persil+coupon+pdf In PDF document text

  • https://site-1038429.mozfiles.com/files/1038429/wotowudimotozozone.pdfIn PDF document text
  • https://site-1036975.mozfiles.com/files/1036975/76333156705.pdfIn PDF document text
  • https://site-1038555.mozfiles.com/files/1038555/xasesimuxuvokibi.pdfIn PDF document text
  • http://xagukit.tdbarneslaw.com/uploads/1/3/0/7/130776031/pabaves.pdfIn PDF document text
  • http://begupu.newwoodturners.org/uploads/1/3/2/7/132740267/zoboregekalamojaba.pdfIn PDF document text
  • http://files.johnyamrus.com/uploads/1/3/2/3/132303396/b7168.pdfIn PDF document text
  • http://files.embodiedacupuncturepdx.com/uploads/1/3/1/4/131407195/fupage-pizawodosa-pojemetizotam.pdfIn PDF document text
  • https://site-1040352.mozfiles.com/files/1040352/mebixiguwunorufimime.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000059bf.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000059bf.bin)
  • http://www.daltonmaag.com/In extracted file (font_02_sfnt_off00008d3c.bin)
  • https://cdn.shopify.com/s/files/1/0440/7679/4021/files/5169805305.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0486/7198/1718/files/21424983870.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/6455/5680/files/tadivijaselotilozilenobo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2dfb3e05-2863-4a83-8718-6197ef542c33/lovuj.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ec70df1f-8914-45d7-a8c7-6f1dd041236d/18134983268.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ff0f18ca-af71-43d7-9aad-be0e4fc57c24/51087818420.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/fbcf49bb-2e34-4ed4-b1ed-0116232e2361/kebunujoxigara.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_off000059bf.bin)

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