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/aws?keyword=chortle+java+ccs4 In PDF document text

  • https://rukutatonaneto.weebly.com/uploads/1/3/4/0/134012616/6d49f8a8fcee.pdfIn PDF document text
  • https://gonoloxezejuje.weebly.com/uploads/1/3/1/4/131410007/selez_roronumubazep_lanalubofow.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365551/normal_5f878fc5ac208.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4413719/normal_5f9d1d199bb03.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374980/normal_5f90c8d86942b.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_01_sfnt_off000066d0.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_01_sfnt_off000066d0.bin)
  • http://www.daltonmaag.com/In extracted file (font_03_sfnt_off00009c92.bin)
  • https://s3.amazonaws.com/jeduzizonox/12444033576.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0440/7744/9366/files/pikuse.pdfIn PDF document text
  • https://s3.amazonaws.com/vezumobigodub/comsoon_bluetooth_fm_transmitter_for_car.pdfIn PDF document text
  • https://s3.amazonaws.com/faluzotixupi/kafirajadopigevufupupe.pdfIn PDF document text
  • https://s3.amazonaws.com/buxoparadazegu/bestiario_de_arton_download.pdfIn PDF document text
  • https://s3.amazonaws.com/vitelitubovuluj/reaction_practice_worksheet_1_answers.pdfIn PDF document text
  • https://s3.amazonaws.com/tetazino/56300451164.pdfIn PDF document text
  • https://s3.amazonaws.com/limewub/la_verkin_elementary_school_website.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_01_sfnt_off000066d0.bin)

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