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 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://cctraff.ru/strik?keyword=fifa+11+apk+game In PDF document text

  • https://wajiresejepo.weebly.com/uploads/1/3/0/7/130774962/337085.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365998/normal_5f8a45b5c07d1.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4377391/normal_5f8a17605cd5f.pdfIn PDF document text
  • https://zadujemerumid.weebly.com/uploads/1/3/2/6/132695269/7456464.pdfIn PDF document text
  • https://gefelamanak.weebly.com/uploads/1/3/4/3/134353999/mefowazabo-liwividesever.pdfIn PDF document text
  • https://denasigetul.weebly.com/uploads/1/3/4/3/134332190/kiwijuzuduvovu-bumolazewakerum-fejiweb.pdfIn PDF document text
  • https://dosedupuwosiwoz.weebly.com/uploads/1/3/0/7/130776272/7775793.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_01_sfnt_off000085bc.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_01_sfnt_off000085bc.bin)
  • https://cdn.shopify.com/s/files/1/0268/8257/2463/files/9704314410.pdfIn PDF document text
  • https://s3.amazonaws.com/gupuso/pasopezubadupis.pdfIn PDF document text
  • https://s3.amazonaws.com/zuguvoxoki/japulodidadosew.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/86d15a6f-5559-40de-afcc-a8cc578b9d8b/tajopubonozepel.pdfIn PDF document text
  • https://s3.amazonaws.com/gurowozenupifi/31655067343.pdfIn PDF document text
  • https://s3.amazonaws.com/gotenukevepunin/mechanical_drawing_tutorials.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_off000085bc.bin)

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