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://ggtraff.ru/wb?keyword=resettable%20combination%20lock%20manual In PDF document text

  • https://s3.amazonaws.com/fasanag/wezanojimibilidesowosemu.pdfIn PDF document text
  • https://s3.amazonaws.com/kavitokolezub/aluminium_composite_panel_fixing_details.pdfIn PDF document text
  • https://s3.amazonaws.com/fumiposamisur/carte_touristique_auvergne.pdfIn PDF document text
  • https://s3.amazonaws.com/bupijila/xodofa.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006fce.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006fce.bin)
  • https://uploads.strikinglycdn.com/files/6c8c2bc6-4bd8-4ac0-a7a6-b623c77f2588/lojudinorazax.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/84cf619d-8792-45b0-a126-1779c8fc39dc/54390360816.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/72c868b2-6602-4afc-848d-89b59a66e5a1/zimujazujivipezigukot.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/5404/6618/files/semantic_analogy_questions_and_answers.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0480/9677/2249/files/community_acquired_pneumonia_guidelines_2020.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0486/1054/1726/files/62755948653.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/8891/1267/files/xijubanulugid.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0480/7308/0996/files/wound_care_certification_exam_study_guide.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/3720/3364/files/aura_irb_uchicago.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/2870/0571/files/calculating_mole_fraction.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/47d74bee-d940-4958-82e1-9de48f8c0924/bugera_v22_manual.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/789fdf84-d71e-4fb3-a39c-1cc9b549555c/44116304497.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/36f1097e-beaf-48cf-8691-b81f41775691/67719977558.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/56f338c5-5f8b-413d-9f80-94296873ecdb/11485581944.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/cc7ad6c4-2c54-4125-92c2-46642f3b096c/7378894105.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3a68d374-3058-4162-9f30-d883c8b6fdbe/16468447093.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0fb40521-aff2-409d-8fb4-97ececcae5d6/catlogo_de_cdulas_do_brasil_2016.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/026893be-680d-4ad9-893e-6509a521a80e/rurajurepejesonoxosabaf.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_off00006fce.bin)

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