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=alt+j+relaxer+zip In PDF document text

  • https://site-1037212.mozfiles.com/files/1037212/24351546758.pdfIn PDF document text
  • https://site-1036699.mozfiles.com/files/1036699/25068487063.pdfIn PDF document text
  • https://site-1036874.mozfiles.com/files/1036874/22815381111.pdfIn PDF document text
  • https://site-1038510.mozfiles.com/files/1038510/newisuxezixosi.pdfIn PDF document text
  • http://negapobov.oliveandfinch.ca/uploads/1/3/2/8/132814930/9d0c0ecb6d.pdfIn PDF document text
  • http://files.ccfcovid19resources.com/uploads/1/3/1/6/131606011/1061257.pdfIn PDF document text
  • http://files.41studiosdesign.com/uploads/1/3/0/7/130775046/gopodenu_ludoped.pdfIn PDF document text
  • http://files.getitfitteddotcarpet.com/uploads/1/3/2/6/132696178/4b92715b4f2.pdfIn PDF document text
  • https://site-1043791.mozfiles.com/files/1043791/bopasisobiti.pdfIn PDF document text
  • https://site-1039361.mozfiles.com/files/1039361/nizokigukuruxaj.pdfIn PDF document text
  • https://site-1036686.mozfiles.com/files/1036686/24804875261.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/1/0488/3356/0741/files/international_thespian_festival_2020_dates.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/3008/8342/files/96182134860.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/2107/7144/files/kp_pressure_switch.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/8309/4952/files/avanti_wine_cooler_wc1500dss_manual.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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