Malicious PDF — malware analysis report

Heuristics 4

• 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.
• 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/pify?keyword=western+asia+and+egypt+worksheet+answers In PDF document text

  • https://site-1040250.mozfiles.com/files/1040250/27111783799.pdfIn PDF document text
  • https://site-1042981.mozfiles.com/files/1042981/34971393728.pdfIn PDF document text
  • https://site-1040398.mozfiles.com/files/1040398/nakokemuzajopimilodaripu.pdfIn PDF document text
  • https://site-1043530.mozfiles.com/files/1043530/64503738836.pdfIn PDF document text
  • https://site-1038331.mozfiles.com/files/1038331/26001672040.pdfIn PDF document text
  • https://site-1039833.mozfiles.com/files/1039833/28257947326.pdfIn PDF document text
  • https://site-1044012.mozfiles.com/files/1044012/55319439134.pdfIn PDF document text
  • https://site-1039163.mozfiles.com/files/1039163/2582971981.pdfIn PDF document text
  • https://site-1038863.mozfiles.com/files/1038863/momakif.pdfIn PDF document text
  • http://lisudavez.millsparkbands.com/uploads/1/3/0/7/130739624/48022.pdfIn PDF document text
  • http://fazavab.rocklandwoodselementary.com/uploads/1/3/0/7/130740393/batojezalotetev_rurepasu_faxamerupebe_jojiziwebodux.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://cdn.shopify.com/s/files/1/0493/4395/5098/files/duxewaxobuvozed.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0481/7292/5077/files/jojo_season_1_intro.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/3866/1534/files/physical_vs_chemical_properties_and_changes_worksheet_answers.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0485/0076/8930/files/zerigare.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0440/1964/6629/files/dijuruxi.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 PDF document text

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