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.
• 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/strik?keyword=crucigramas+matematicos+para+secunda In PDF document text

  • https://cdn-cms.f-static.net/uploads/4367951/normal_5f8c7b018a9d4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4386337/normal_5f95de2b62265.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4385207/normal_5f8d048e3857a.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00005baa.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00005baa.bin)
  • https://s3.amazonaws.com/dejolavubukugeb/bugoxugapuretu.pdfIn PDF document text
  • https://s3.amazonaws.com/zetare/south_african_history.pdfIn PDF document text
  • https://s3.amazonaws.com/vixuwogetiv/add_crop_marks_in_photoshop.pdfIn PDF document text
  • https://s3.amazonaws.com/mozirolinitaje/59263100134.pdfIn PDF document text
  • https://s3.amazonaws.com/felasorarabipis/pumped_up_kicks_tab.pdfIn PDF document text
  • https://s3.amazonaws.com/zuxadol/architecture_perspective_drawing.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1f85c0d1-1cc9-4998-bdee-4ef74ce7ab2a/download_dragon_ball_z_ppsspp_games.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/97a79992-7967-4b84-ae45-3e126153fdb5/tefirusewof.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1ec6ce57-22b8-4b06-aaed-faeb649e9c7e/6321176525.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/64cfbc46-2d9f-401c-bb71-f3262a86cbae/walukirofujubonakidelo.pdfIn PDF document text
  • https://s3.amazonaws.com/fasanag/busbar_trunking_system_schneider.pdfIn PDF document text
  • https://s3.amazonaws.com/zirojopemup/boxufumugudemavon.pdfIn PDF document text
  • https://s3.amazonaws.com/tadovu/bauhaus_design.pdfIn PDF document text
  • https://s3.amazonaws.com/wonoti/indian_food_calorie_chart_for_weight_loss.pdfIn PDF document text
  • https://s3.amazonaws.com/zaxawetawupo/66495913651.pdfIn PDF document text
  • https://s3.amazonaws.com/turip/geomorphology_books_free_download.pdfIn PDF document text
  • https://s3.amazonaws.com/gupuso/rowenojebobediz.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_off00005baa.bin)
  • http://dejavu.sourceforge.netIn extracted file (font_02_sfnt_off000093d2.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_02_sfnt_off000093d2.bin)

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