Malicious PDF — malware analysis report

Heuristics 4

• 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.
• 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://traffking.ru/strik?keyword=rules+of+wheelchair+tennis In PDF document text

  • https://gexumuvebevo.weebly.com/uploads/1/3/4/3/134312536/kugubiba-jizab-tujuvamexapogin.pdfIn PDF document text
  • https://kubinivoboduwu.weebly.com/uploads/1/3/4/6/134601548/kupefogekobovegolexo.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4371791/normal_5f971267979df.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369762/normal_5f8dee6bd15ef.pdfIn PDF document text
  • https://folarudivol.weebly.com/uploads/1/3/1/8/131871739/zokas_gokazetakopaxi.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/fekaduvopigab/norikekimudadasozo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/586a1092-0b47-4f35-bec9-62c8424cc9cf/manual_of_laboratory_and_diagnostic.pdfIn PDF document text
  • https://s3.amazonaws.com/zokokamu/american_intelligence_media_new.pdfIn PDF document text
  • https://s3.amazonaws.com/biwubeleba/memeluwaxugomano.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ffdbbdc4-bec2-437e-97cf-c05b4e54e42e/daddy_got_a_secret_song_gacha_life.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1de65f94-6325-495e-9c56-7a6b5562dbcf/53281811436.pdfIn PDF document text
  • https://s3.amazonaws.com/tezofuretejom/cabinet_minister_of_india_2019_in_english.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f46092fb-a496-4483-9e07-9629180bc6d3/jidomulifa.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 PDF document text

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