Malicious PDF — malware analysis report

Heuristics 6

• 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.
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• 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=libro+el+feo+de+carlos+cuauhtemoc+sa In PDF document text

  • https://site-1040981.mozfiles.com/files/1040981/fijivodononis.pdfIn PDF document text
  • https://site-1036627.mozfiles.com/files/1036627/bolubijaloxoz.pdfIn PDF document text
  • https://site-1037192.mozfiles.com/files/1037192/89651325029.pdfIn PDF document text
  • https://site-1037283.mozfiles.com/files/1037283/nabimejenoxeseluwokurusi.pdfIn PDF document text
  • https://site-1043485.mozfiles.com/files/1043485/67663987400.pdfIn PDF document text
  • http://zuxenav.growingwithbrock.ca/uploads/1/3/1/4/131408371/sivukewegabi.pdfIn PDF document text
  • http://files.rootsandwingstraining.com/uploads/1/3/1/6/131607075/3d333329e.pdfIn PDF document text
  • http://setomobeb.rachelraab.com/uploads/1/3/1/3/131378985/bolavilodivad-mukekapuvoleguf-fawupubenapevug.pdfIn PDF document text
  • http://files.wakefieldpodiatrists.co.uk/uploads/1/3/1/8/131872107/a5e130c177d01f.pdfIn PDF document text
  • http://xikunuk.kymgeorgeartdolls.com/uploads/1/3/1/4/131405997/28650.pdfIn PDF document text
  • http://xifukaki.bitbybitranch.com/uploads/1/3/0/8/130874320/xedujoreguvefe.pdfIn PDF document text
  • http://files.swofcp.com/uploads/1/3/1/8/131860378/segurixo_dezig_fakaxedopagepe.pdfIn PDF document text
  • http://kozag.gbcradford.com/uploads/1/3/1/4/131410952/namizit.pdfIn PDF document text
  • http://gurifelo.sushilian.com.au/uploads/1/3/0/7/130775850/ddbe634e7.pdfIn PDF document text
  • http://files.pickpocketensemble.com/uploads/1/3/2/7/132712530/2283486.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/f4ca5b40-394f-4648-bd76-ea5461a114f8/wutisikomolozabaw.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8c9b0f54-f085-4c35-949b-fdc4f9986882/8515706934.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b99dd673-e823-4ea2-8fd8-800388445ef9/zepuledizirijikepeladure.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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