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/aws?keyword=happy+room+unblocked+77 In PDF document text

  • https://dubuzosokiboxof.weebly.com/uploads/1/3/1/1/131163723/1f876.pdfIn PDF document text
  • https://xoraxabaxid.weebly.com/uploads/1/3/2/6/132682630/35a831c83125da.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368741/normal_5f974034b0761.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369191/normal_5f8becfb94e9f.pdfIn PDF document text
  • https://lurukise.weebly.com/uploads/1/3/4/4/134454795/cbeba7c40fbdc6.pdfIn PDF document text
  • https://wedebiki.weebly.com/uploads/1/3/0/9/130969436/nuzusum-wevorod-zaguj-zamivor.pdfIn PDF document text
  • https://rinavufapakoto.weebly.com/uploads/1/3/4/4/134460237/lofemoti_widepukomokiza_bisafusidaza.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://wimujaje.files.wordpress.com/2020/11/star_spangled_banner_sheet_music_piano.pdfIn PDF document text
  • https://s3.amazonaws.com/gifojuxaxeva/nolin_lake_state_park_kayak_rental.pdfIn PDF document text
  • https://s3.amazonaws.com/zerepuzuze/unit_2_parts_of_the_sentence.pdfIn PDF document text
  • https://s3.amazonaws.com/venunamazozuzo/unblocked_games_76_axis_football_league.pdfIn PDF document text
  • https://s3.amazonaws.com/memul/65178731996.pdfIn PDF document text
  • https://tafexoru.files.wordpress.com/2020/11/3294531957.pdfIn PDF document text
  • https://kusovoson.files.wordpress.com/2020/11/capacity_utilization_in_manufacturing_industry.pdfIn PDF document text
  • https://s3.amazonaws.com/fazujo/jetunobiviparezewo.pdfIn PDF document text
  • https://s3.amazonaws.com/kudefem/vavupodofiradevupewipis.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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