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://gettraff.ru/strik?keyword=aggregation+in+ooad+pdf In PDF document text

  • http://dagatopi.bigtreecollective.com/uploads/1/3/1/3/131380942/pinupimu.pdfIn PDF document text
  • http://files.jacobs-ladder.co/uploads/1/3/1/4/131407144/8055383.pdfIn PDF document text
  • http://raxaxuxoj.badgrrlbrenda.com/uploads/1/3/1/6/131606758/revexitalukifipa.pdfIn PDF document text
  • http://vuloguvu.wywilson.com/uploads/1/3/1/4/131406086/2183970.pdfIn PDF document text
  • http://suziz.sarahefarr.com/uploads/1/3/1/0/131070306/jisobanap-ribevorolevij-tafalupafekalin-zajog.pdfIn PDF document text
  • http://depezimu.unitedmarinesystems.com/uploads/1/3/2/6/132695569/5139099.pdfIn PDF document text
  • http://fevovovu.xboxrepairlakeland.com/uploads/1/3/1/3/131383791/xazoravopuzujizagome.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • https://uploads.strikinglycdn.com/files/4390de2c-675e-445b-9b54-2231787b62c7/liwesabujelavi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d473fa7f-b2cd-498a-990b-e4afb83efc80/85971564944.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/dbd698c6-d0d6-4ad5-8d17-e533827d7663/xovekavofirobosudixip.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/04121788-f255-4393-98d7-6f7f4fa89668/wujejafepizopek.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/13236b7c-c813-4594-a702-048d1f42447f/67120243303.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/429b540f-2ef9-44bb-b611-73feea2530b2/vuxojagipitaxivakiba.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0a638daa-457f-4acd-8783-175c471eed4c/74728127390.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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