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/strik?keyword=radio+flyer+walker+wagon+instructions In PDF document text

  • https://kelobutino.weebly.com/uploads/1/3/0/9/130969458/a875576.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366312/normal_5f918b96cec0a.pdfIn PDF document text
  • https://dimaxafazeza.weebly.com/uploads/1/3/1/4/131453031/c202334.pdfIn PDF document text
  • https://s3.amazonaws.com/zirojopemup/39215511659.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4405642/normal_5f949e57f37af.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4373516/normal_5f8a844466d1a.pdfIn PDF document text
  • https://s3.amazonaws.com/susopuzupure/converter_para_dwg_autocad_2019.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006fcf.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006fcf.bin)
  • http://www.daltonmaag.com/In extracted file (font_02_sfnt_off0000a8ee.bin)
  • https://uploads.strikinglycdn.com/files/6dfce0d9-8b20-4d76-90e2-cdc0f8bec1e6/baywatch_body_workout_phase_1_downlo.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/0863/8632/files/87357831284.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0493/1718/3654/files/how_to_find_the_nth_term_of_a_quadratic_sequence.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0439/1724/6632/files/sheets_vs_worksheets_excel_vba.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0502/8541/2546/files/vuwejerizetimutinuk.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0503/8165/2155/files/sky_sports_tennis_tv_guide.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/9195/8196/files/vujavome.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0439/2094/9403/files/92196996925.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4bb9d110-cb41-47db-b92c-8444c9476b2d/92335894361.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/6123/1262/files/tupuvonepuwon.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/8386/5506/files/photo_news_magazine.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_off00006fcf.bin)

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