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.me/123?keyword=frequency+tables+and+histograms+worksheets In PDF document text

  • https://cdn-cms.f-static.net/uploads/4370066/normal_5f95aac1d7bf1.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4373797/normal_5f92fbd5443f0.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006666.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006666.bin)
  • https://cdn.shopify.com/s/files/1/0480/4703/0436/files/83184512121.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/8049/2229/files/american_buff_goose_hatchery.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0475/1776/1702/files/a_practical_guide_to_monsters.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/5851/1510/files/wigokavo.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/3826/8318/files/android_studio_relativelayout_overlap.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0487/7248/1190/files/alexa_riley_read_online.pdfIn PDF document text
  • https://s3.amazonaws.com/wajufifenoxuj/ielts_speaking_test_sample_questions_with_answers.pdfIn PDF document text
  • https://s3.amazonaws.com/remuv/6399868251.pdfIn PDF document text
  • https://s3.amazonaws.com/sojuravewi/cabinet_ministers_of_india_2018_in_bengali.pdfIn PDF document text
  • https://s3.amazonaws.com/vekodupiwarobi/bocconi_test_ammissione.pdfIn PDF document text
  • https://s3.amazonaws.com/fosagoba/gebevemevaxili.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0492/5623/5164/files/manual_tiles_cutting_machine.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0458/6435/3945/files/wemiluturuwenonajaraxa.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/2313/7461/files/raromiwizobokawotovigag.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/9512/1301/files/escatologia_biblica_evangelica.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0495/6644/9816/files/readings_for_diversity_and_social_justice.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6374536a-ebda-4c64-9679-65777ba9dca3/zolifop.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6a0e475b-8f07-4362-89fb-65d7d22493e4/99797693615.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/fe2db779-780e-4926-952f-6520061f099f/fopol.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/cdbac4ae-3999-41a4-94bb-1ac9234cc4d3/sitimon.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_off00006666.bin)

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