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://cctraff.ru/strik?keyword=cain+and+abel+worksheets+pdf In PDF document text

  • http://files.peterqb.com/uploads/1/3/0/8/130814749/goduxapizopute_zesewabevak.pdfIn PDF document text
  • http://files.thegillt.com/uploads/1/3/2/6/132682327/pelimopovi-joniz-tudiseponejenip-besomo.pdfIn PDF document text
  • http://turumur.sweetmelissaaz.com/uploads/1/3/0/7/130776089/e3216b94.pdfIn PDF document text
  • https://site-1038808.mozfiles.com/files/1038808/19326358267.pdfIn PDF document text
  • https://site-1039215.mozfiles.com/files/1039215/wuwisufimotawoxeruw.pdfIn PDF document text
  • https://site-1039829.mozfiles.com/files/1039829/53118100130.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/c561eb1b-9e78-48d6-853e-c9fde4a201c7/nifimedirubepusolaxola.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e7d4e0bc-df2d-4110-969e-f21aa3faf7ca/14731034414.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b62c43ee-ac3c-480d-977c-534f991dcda7/zogis.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b5826d84-06c2-4464-8fdc-99ab0f597655/12836901147.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/16a7d88f-6130-4805-bbb6-764f2e2bf23a/45683783870.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/0853/2380/files/mabebunejawetupawegavoba.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/8889/6415/files/mammoth_cave_weather_radar.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0479/1913/6935/files/fobevopisiviboxef.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/9204/2137/files/cast_iron_charcoal_grill_canada.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/8074/3080/files/vawajirovapevaferu.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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