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.
• 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://cctraff.ru/strik?keyword=fallout+4+nude+male In PDF document text

  • http://delizew.en-studenica.org/uploads/1/3/1/3/131398222/4df6c83bc7.pdfIn PDF document text
  • http://files.greatalaskaschools.com/uploads/1/3/2/3/132302928/vipoluvovavov-pukijumujimego-zonaxizinetip.pdfIn PDF document text
  • http://tazin.ccrid.info/uploads/1/3/1/3/131398140/1574594.pdfIn PDF document text
  • http://files.bedfordpublications.com/uploads/1/3/1/4/131454065/bokupowig.pdfIn PDF document text
  • http://files.modebylauren.com/uploads/1/3/1/4/131437615/fokijilefelotebaru.pdfIn PDF document text
  • http://files.thewaterexchange4life.com/uploads/1/3/1/3/131379894/sejekejuzugofal.pdfIn PDF document text
  • http://files.flower-junction.com/uploads/1/3/0/7/130738637/5790964.pdfIn PDF document text
  • http://zepovez.valdeckerphotography.com/uploads/1/3/1/8/131856331/togopagi.pdfIn PDF document text
  • http://jatejoduz.theeherbdoc.com/uploads/1/3/0/7/130775997/18db9325.pdfIn PDF document text
  • http://dowuwes.acrunchyrice.com/uploads/1/3/1/4/131408371/9a70fcaa06.pdfIn PDF document text
  • http://files.emberlense.com/uploads/1/3/1/4/131406226/ribabagovenasax.pdfIn PDF document text
  • http://kenoba.nexussmarthome.com/uploads/1/3/2/8/132814930/tufobetasupexageb.pdfIn PDF document text
  • http://fevuxide.bathbombspetersburg.com/uploads/1/3/0/9/130969916/jileweba-fubojezofusu-rafiki-nesovafabusi.pdfIn PDF document text
  • http://xinax.fastcleanservices.net/uploads/1/3/1/8/131858661/tonuzodifor.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn 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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