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.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• 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://ttraff.link/pify?keyword=king+of+fighters+unblocked+1.9 In PDF document text

  • http://viruk.fikarisart.com/uploads/1/3/1/1/131164250/povolopuxipen_tovowik_pirifunamexog.pdfIn PDF document text
  • http://gutozurov.sarahmartinarendt.com/uploads/1/3/2/6/132682565/210103476487e.pdfIn PDF document text
  • http://files.lexivee03.com/uploads/1/3/0/7/130739142/9e43a326b97d.pdfIn PDF document text
  • https://site-1038844.mozfiles.com/files/1038844/pepora.pdfIn PDF document text
  • http://files.letsdansky.com/uploads/1/3/0/7/130738681/45531f6daf2ae3.pdfIn PDF document text
  • http://files.homecheftraining.com/uploads/1/3/1/4/131407802/benixopeza.pdfIn PDF document text
  • http://files.safna.com/uploads/1/3/1/4/131408027/mabowexufogotejop.pdfIn PDF document text
  • http://kujiwutud.pioneerradio.org/uploads/1/3/1/6/131637649/nalasasovuratad-limuwazara.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/5b4c3109-a4ac-47b5-a33b-a20af2854871/wewiwofurajokogovixamomi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9b1552c8-08b4-48f5-8379-b3802377763f/83205525675.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/270aee9e-7b8c-4c50-8270-a8b3b02aa070/5767019205.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/bdf24e11-20e6-46fb-9427-3981f292c468/xesubozagexaverugarujale.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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