Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Brand-impersonation credential phishing lure critical SE_BRAND_CREDENTIAL_PHISH
  Document impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: action link to abused redirector https://gutugifowofe.weebly.com/uploads/1/3/1/6/131606479/6f1312eddc822a.pdf.
• 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
• External URI info PDF_URI
  PDF contains an external URL action
• 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://traffset.ru/123?keyword=tam+applied+system PDF link annotation

  • https://gutugifowofe.weebly.com/uploads/1/3/1/6/131606479/6f1312eddc822a.pdfIn PDF document text
  • https://xesupolapiban.weebly.com/uploads/1/3/4/5/134586318/b864ccf.pdfIn PDF document text
  • https://jatilesaza.weebly.com/uploads/1/3/4/3/134316516/c53fc315f9607.pdfIn PDF document text
  • https://mosovokiz.weebly.com/uploads/1/3/4/3/134333023/vofirute.pdfIn PDF document text
  • https://ramipataxeki.weebly.com/uploads/1/3/4/4/134483057/4489402.pdfIn PDF document text
  • https://nobinetezo.weebly.com/uploads/1/3/0/9/130969761/7442338.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000a0db.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000a0db.bin)
  • https://tuxabavijig.files.wordpress.com/2020/11/37940387668.pdfIn PDF document text
  • https://dezevowo.files.wordpress.com/2020/11/descargar_peliculas_en_formato_avi_p.pdfIn PDF document text
  • https://zovupalan.files.wordpress.com/2020/11/8826734777.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6fcf8810-3422-4502-9e80-ee2fbaa0cbb1/xebomuwopujezuminirazapi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1b85bdfe-ce93-4f61-a21a-9288994938a5/42896550841.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4433d26b-f442-4e3b-9979-1b977bea9a13/bowflex_motivator_2_replacement_parts.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a03ec720-55bd-44b4-9411-d5b380424f85/11350384832.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/118faa68-f187-4fa6-b403-859fef43a077/kitonidugoxosim.pdfIn PDF document text
  • https://vuxidiba.files.wordpress.com/2020/11/12714491020.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_off0000a0db.bin)

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