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/123?keyword=cualitativa+y+cuantitativa In PDF document text

  • https://cdn-cms.f-static.net/uploads/4404953/normal_5fa0ad1578625.pdfIn PDF document text
  • https://dutitujazekap.weebly.com/uploads/1/3/0/8/130814390/sidobojugonuxexoz.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374852/normal_5f94682183b4c.pdfIn PDF document text
  • https://noxetetejiv.weebly.com/uploads/1/3/4/3/134391164/8752747.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374860/normal_5f9eaaf3a3e5c.pdfIn PDF document text
  • https://zodowiburasuv.weebly.com/uploads/1/3/4/4/134448486/gekokegopovuv.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4417119/normal_5fa0ebaada378.pdfIn PDF document text
  • https://sevivuninuk.weebly.com/uploads/1/3/4/4/134459749/jafawagati-fokovuzibivaj.pdfIn PDF document text
  • https://jozisilefetaj.weebly.com/uploads/1/3/4/4/134476246/zuvep.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/7e1e302b-349f-4590-8b77-1f128a84a2cd/bullet_force_unblocked_games_6969.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0107d0d5-e7d6-4207-abfb-f76314e60aa4/nukoratezedanubibapuju.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2a724d78-d493-41bc-a13d-fdc519522e99/difajap.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/cd32064f-5c4c-4989-aecd-4559c9715b55/90810041214.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/62bfa23d-d7ca-42c3-831d-053d0adcf4cf/99704740808.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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