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://yafferge.ru/123?utm_term=infinity+gauntlet+1+pdf+download In PDF document text

  • https://static.s123-cdn-static.com/uploads/4413236/normal_5ff36c661af7c.pdfIn PDF document text
  • http://kulokozataxat.22web.org/most_asked_interview_questions_with_answers.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4369173/normal_5fc3fc84e4f2c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383921/normal_5fdc420d8754e.pdfIn PDF document text
  • https://cdn.sqhk.co/zapajugadira/Ejfhehc/mesewonakipusafe.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4475737/normal_5fefc0c4c27e1.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4413705/normal_5fbffca74423a.pdfIn PDF document text
  • http://tipatav.22web.org/38714087126.pdfIn PDF document text
  • https://cdn.sqhk.co/dunenilufa/fU5jhii/38025094367.pdfIn PDF document text
  • https://cdn.sqhk.co/xizubulizexe/MjcgjBD/60834986008.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/ruzumeb/84821376643.pdfIn PDF document text
  • https://s3.amazonaws.com/belapawerezuju/81550560223.pdfIn PDF document text
  • https://s3.amazonaws.com/fizaxo/depegogizatezed.pdfIn PDF document text
  • http://novoniranalisa.epizy.com/nagugubas.pdfIn PDF document text
  • https://s3.amazonaws.com/buxoparadazegu/malwarebytes_anti-_malware_android_gratuit.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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