Malicious PDF — malware analysis report

Heuristics 6

• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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=word+of+the+day+toastmasters+template In PDF document text

  • https://netaluzubik.weebly.com/uploads/1/3/0/8/130813777/betebijulufob_gelosorir_lidifesoxim.pdfIn PDF document text
  • https://guwomenod.weebly.com/uploads/1/3/0/8/130873843/ligewajinaxi.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006e38.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006e38.bin)
  • https://cdn.shopify.com/s/files/1/0505/0030/5082/files/16644405490.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0436/4114/3454/files/facebook_lite_apk_free_download_for_pc.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/2449/0397/files/45346756024.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/0392/6939/files/caracteristicas_organolepticas_del_pescado.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/2172/2015/files/dapenerovijo.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/9084/4084/files/role_of_teachers_in_nation_building.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0436/3727/6825/files/fiona_hill_transcript.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/3145/3081/files/flash_fiction_prompts_for_middle_school.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0268/6949/8032/files/pause_button_therapy.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/1671/1076/files/dark_souls_3_aldrich_summon_npc.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/5217/0908/files/quantitative_research_study.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/4247/9521/files/living_non_living_worksheets_2nd_grade.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0504/5213/6117/files/kenmore_elite_110_washer_repair_manual.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/7930/5890/files/barbie_of_swan_lake_trailer.pdfIn PDF document text
  • https://s3.amazonaws.com/fezenur/formal_language_and_automata_theory_tutorialspoint.pdfIn PDF document text
  • https://s3.amazonaws.com/vuforewebub/3741607358.pdfIn PDF document text
  • https://s3.amazonaws.com/wilugugo/72987522926.pdfIn PDF document text
  • https://s3.amazonaws.com/belapawerezuju/cholecystitis_case_study.pdfIn PDF document text
  • https://s3.amazonaws.com/sugaguxagu/bebol.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_off00006e38.bin)

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