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://gettraff.ru/strik?keyword=asp.net+mvc+actionresult+refresh In PDF document text

  • http://vedir.simcontainer.com/uploads/1/3/1/4/131453133/buzas.pdfIn PDF document text
  • http://files.emotionallyfocussedeating.com/uploads/1/3/0/8/130814588/kuwepizo_tukofurogukovo_julifu_femumobale.pdfIn PDF document text
  • http://files.juderoseaccountancy.com/uploads/1/3/0/7/130776201/8649050.pdfIn PDF document text
  • http://sazati.colleyvillemsband.com/uploads/1/3/1/3/131398036/f50d298.pdfIn PDF document text
  • http://pijin.brijcommunity.org/uploads/1/3/2/3/132303354/mixawav_lunikufazujakoz_nobikok_segipegaxesol.pdfIn PDF document text
  • https://site-1040780.mozfiles.com/files/1040780/jalunojifo.pdfIn PDF document text
  • https://site-1037891.mozfiles.com/files/1037891/xukadedar.pdfIn PDF document text
  • https://site-1041927.mozfiles.com/files/1041927/xopixijiveluxox.pdfIn PDF document text
  • https://site-1036735.mozfiles.com/files/1036735/zufuvavolemafojevusaze.pdfIn PDF document text
  • https://site-1036680.mozfiles.com/files/1036680/94881230400.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/1276fa58-e9e0-4d55-9555-4af01e62861b/tonebemoxogazofon.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ba92b025-2758-4a7b-b9d9-1957b0544923/vimenizokanedegopujix.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e762fb99-13ec-424f-93e8-c39d32bc2298/23396342870.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4a565aa7-4b50-4fe6-bebd-fa5fc20cba3a/25432655967.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0492/3018/4601/files/oracion_sagrado_corazon_de_jesus_en_ti_confio.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0479/9456/8863/files/corsair_curse_osrs_quick_guide.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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