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://ttraff.link/123?keyword=ut+arlington+library+jobs In PDF document text

  • https://cdn-cms.f-static.net/uploads/4391649/normal_5f91a2585f625.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367927/normal_5f891223058bf.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4421770/normal_5f97542f965e3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367635/normal_5f95e77fa9c2b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366959/normal_5f8ba76ae52a2.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006947.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006947.bin)
  • http://www.daltonmaag.com/In extracted file (font_02_sfnt_off0000a071.bin)
  • https://cdn.shopify.com/s/files/1/0439/4093/7896/files/bimam.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/9943/0815/files/analytical_interview_questions.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/5944/5405/files/79740897587.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/1363/5748/files/masque_of_the_red_death_movie.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/6120/5924/files/90507751851.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/9365/0325/files/john_deere_model_b_grain_drill_seed_tube.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0478/1791/6575/files/zaxubipizewubesomujomot.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/5650/3205/files/sunebawejafazibimo.pdfIn PDF document text
  • https://s3.amazonaws.com/mamibis/competencias_pedaggicas_y_actitudinales_de_un_buen_docente.pdfIn PDF document text
  • https://s3.amazonaws.com/vatakefojunib/chemistry_all_formulas_in_hindi.pdfIn PDF document text
  • https://s3.amazonaws.com/fosagobomap/zutewumi.pdfIn PDF document text
  • https://s3.amazonaws.com/juduk/child_and_adolescent_development_book.pdfIn PDF document text
  • https://s3.amazonaws.com/xanebavifamopez/45058813849.pdfIn PDF document text
  • https://s3.amazonaws.com/tuzamada/zoxuzu.pdfIn PDF document text
  • https://s3.amazonaws.com/susopuzupure/adiabatic_calorimeter.pdfIn PDF document text
  • https://s3.amazonaws.com/leguvefu/74281804952.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_off00006947.bin)

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