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 contains mass external PDF link farm critical PDF_SEO_LINK_FARM
  Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
• Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
  PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
• 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/aws?keyword=nvivo+data+analysis+pdf In PDF document text

  • https://tejigenunonim.weebly.com/uploads/1/3/0/8/130813632/6812471.pdfIn PDF document text
  • https://polabufasol.weebly.com/uploads/1/3/2/8/132814050/2236988.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006dbf.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006dbf.bin)
  • https://uploads.strikinglycdn.com/files/a87efa06-b398-4330-b6c1-25c19b220abb/74115271086.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4498aa55-6226-49d9-b63b-97e3c9540118/89152606213.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c47e5dcc-9e23-41e9-a890-b22b81513a76/10920661571.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d6f03331-6b2d-488a-a145-88d463f98025/vukozexevelotujenosu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ff6dd820-d91a-46db-b99c-f4b7a3e95573/menu_template_app.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/9222/3151/files/16714792626.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/7046/2373/files/buscador_de_personas_en_chile.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/1605/1096/files/foglietto_messa_domenicale.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/4723/8811/files/tom_clancys_h.a.w.x._2_android.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0495/4721/5000/files/music_theory_roman_numeral_analysis_worksheet.pdfIn PDF document text
  • https://s3.amazonaws.com/jobavo/orlicky_s_material_requirements_planning_download.pdfIn PDF document text
  • https://s3.amazonaws.com/fokapikow/learning_american_english_grammar.pdfIn PDF document text
  • https://s3.amazonaws.com/memul/mupamejikokidasilujexovef.pdfIn PDF document text
  • https://s3.amazonaws.com/lejivugeleguwod/acceptance_is_the_answer_aa.pdfIn PDF document text
  • https://s3.amazonaws.com/mijedusovineti/xobeb.pdfIn PDF document text
  • https://s3.amazonaws.com/tejuvonixag/spatial_analysis_download.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0480/4850/4991/files/87435317017.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/8720/2971/files/12987521332.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/3050/2312/files/hack_unity_games_android.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/2687/3509/files/cahsee_math_practice_test_answer_key_2017.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0504/2064/6048/files/ar_guided_reading_level_conversion_chart.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 extracted file (font_00_sfnt_off00006dbf.bin)

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