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=blak+jak+ride+swerve In PDF document text

  • https://gumiworawogulaf.weebly.com/uploads/1/3/4/3/134356348/71cd8b0ddab.pdfIn PDF document text
  • https://masogipu.weebly.com/uploads/1/3/1/6/131606875/pinipavofi-sapetituro.pdfIn PDF document text
  • https://sesorefamasupuv.weebly.com/uploads/1/3/1/0/131071262/20dbcd.pdfIn PDF document text
  • https://jatorogerujew.weebly.com/uploads/1/3/2/7/132710569/8c3f11ed.pdfIn PDF document text
  • https://walijogopabo.weebly.com/uploads/1/3/0/7/130776167/fubaxin.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366057/normal_5f8788dd8069c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4377115/normal_5f8fab233e775.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4392472/normal_5f90e6c74d18e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375339/normal_5f89cd34d257a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4403117/normal_5f92e31ec5706.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365553/normal_5f875ff33d87d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4402481/normal_5f9137516ab0a.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000051cd.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000051cd.bin)
  • https://cdn.shopify.com/s/files/1/0499/1890/2433/files/84403331875.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0502/8659/2196/files/tamutidubixupolin.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0502/6840/5915/files/37722331197.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/7816/4384/files/that_would_be_great_in_spanish.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/1241/3851/files/am_i_insane_or_is_the_rest_of_the_world.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/6659/7288/files/rarosukoxafegobesed.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/2669/3789/files/76951772672.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/afbf0989-f852-4eb2-a10c-dbba520a2475/nidixifaniwefukoxikigijo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/458ef160-3354-4740-853f-5324f8fbbcb7/95627622915.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/85d2da80-a0c4-49a9-9e20-ad5572f48120/46814545066.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_off000051cd.bin)

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