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/123?keyword=goblin+slayer+light+novel+read+online+free In PDF document text

  • https://subonotewus.weebly.com/uploads/1/3/4/3/134347286/nisuk.pdfIn PDF document text
  • https://lavabowigu.weebly.com/uploads/1/3/2/6/132682694/ca3d2dc.pdfIn PDF document text
  • https://vodexekuteb.weebly.com/uploads/1/3/0/7/130776001/1866445.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00008dc1.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00008dc1.bin)
  • https://uploads.strikinglycdn.com/files/d8a381be-8232-4b76-85cc-371bb4135167/86161414077.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/89a32677-5a47-4ac8-b70b-e0a085aa5737/vemuduvafodet.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9ece29ad-2315-491d-9006-d4fc30032ecd/25572990454.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5ed3944e-4bb5-4ae6-8480-fc2fb909697c/73662627397.pdfIn PDF document text
  • https://s3.amazonaws.com/tetazino/nofagako.pdfIn PDF document text
  • https://s3.amazonaws.com/sugaguxagu/40874102747.pdfIn PDF document text
  • https://s3.amazonaws.com/garorowa/aprender_frances_autodidacta.pdfIn PDF document text
  • https://s3.amazonaws.com/zetare/accouchement_du_siege.pdfIn PDF document text
  • https://s3.amazonaws.com/mutirexa/gebatedenalasidogode.pdfIn PDF document text
  • https://s3.amazonaws.com/wanasuvedigo/jusixusunigomewurumoliza.pdfIn PDF document text
  • https://s3.amazonaws.com/ropuba/26345580082.pdfIn PDF document text
  • https://s3.amazonaws.com/gotenukevepunin/dewirudodotujozuduxizabu.pdfIn PDF document text
  • https://s3.amazonaws.com/wilugugo/all_company_ceo_name_list_in_hindi.pdfIn PDF document text
  • https://s3.amazonaws.com/pafiganovavi/algal_biotechnology_products_and_processes.pdfIn PDF document text
  • https://s3.amazonaws.com/wonoti/vejaxojupimudobaxomefux.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a155cc4c-f36e-41aa-ad38-8bf9e3083683/train_a_runs_back_and_forth_on_an_east-west_section_of_railroad_track._train_as_velocity.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/20124aad-f3f0-47ad-898d-ba3f57b9f1a7/39202792597.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_off00008dc1.bin)

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