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.
• 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.
• Brand-impersonation credential phishing lure high SE_BRAND_CREDENTIAL_PHISH
  Document impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: call-to-action link host does not match the impersonated brand: https://cctraff.ru/strik?keyword=ap+stats+2015+multiple+choice.
• 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=ap+stats+2015+multiple+choice In PDF document text

  • https://cdn-cms.f-static.net/uploads/4369771/normal_5f8c57e1683aa.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366381/normal_5f8735605cd12.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00007d7f.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00007d7f.bin)
  • http://www.daltonmaag.com/In extracted file (font_02_sfnt_off0000b58c.bin)
  • https://uploads.strikinglycdn.com/files/bbd187c8-7e26-4875-9964-9a09fd46a727/guvapefumezinidadufodiloz.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d1b7f605-a3fa-4f07-96ed-721cd283e4cf/behavior_charts_for_elementary_classrooms.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/65dae0f8-2e09-4d53-bd27-d65dcef4c800/98786222764.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7f4f297c-adcc-433b-9537-6f5ed8bfe334/junodubavevuw.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/82e90877-9414-46f0-ad76-70216434f78b/41803409191.pdfIn PDF document text
  • https://s3.amazonaws.com/jarawaxanivu/statistical_process_control_procedure.pdfIn PDF document text
  • https://s3.amazonaws.com/livivuvuwugeb/above_all_chords_key_of_g.pdfIn PDF document text
  • https://s3.amazonaws.com/kigavanus/brihaspati_vrat_udyapan_vidhi_in_hindi.pdfIn PDF document text
  • https://s3.amazonaws.com/sesafefanulokam/resistance_band_exercises_for_beginners.pdfIn PDF document text
  • https://s3.amazonaws.com/fefurorobumi/nuxivo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d6357c13-8748-4ef7-9744-28d6513868d4/91626935292.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3e3f87f1-441a-4a5c-aef7-5ba10fc382ec/jasavime.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a860d869-f3aa-471a-ba8b-8e7eedfcf726/79414054473.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7157ab41-b6d4-4d12-bde4-c64a9b1a66fb/cranberry_punch_with_almond_extract.pdfIn PDF document text
  • https://s3.amazonaws.com/bizamesuwepe/catia_learning_tutorial.pdfIn PDF document text
  • https://s3.amazonaws.com/mudurixo/6-_item_kutcher_adolescent_depression_scale.pdfIn PDF document text
  • https://s3.amazonaws.com/memul/88074437559.pdfIn PDF document text
  • https://s3.amazonaws.com/voropa/35264947983.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0d3e6ae7-3761-4efd-9430-b1c53b0d669d/viloporipatiluwumovan.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1e8cf0d9-6bae-40bf-bbfd-b585b3029019/samsung_wf448aap_xaa_service_manual.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_off00007d7f.bin)

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