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://gettraff.ru/strik?keyword=photoshop+white+balance+correction In PDF document text

  • https://site-1036694.mozfiles.com/files/1036694/7289067728.pdfIn PDF document text
  • https://site-1039688.mozfiles.com/files/1039688/6081530201.pdfIn PDF document text
  • https://site-1039954.mozfiles.com/files/1039954/53318847037.pdfIn PDF document text
  • http://files.alsoyouth.org/uploads/1/3/1/6/131637240/9417302.pdfIn PDF document text
  • http://kasali.downeasthiker.com/uploads/1/3/1/1/131164573/gadodonopejo_vexakekonezefa.pdfIn PDF document text
  • http://files.kitosbiotech.org/uploads/1/3/1/3/131384070/1615000.pdfIn PDF document text
  • http://files.everythingsjakehere.com/uploads/1/3/1/4/131437335/3170242.pdfIn PDF document text
  • http://ruripo.neardeathexperienceuk.com/uploads/1/3/1/1/131164312/zumurores.pdfIn PDF document text
  • http://rabajonut.neckbox.com/uploads/1/3/1/4/131483254/tipozabi_gomanudedez.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000066fa.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000066fa.bin)
  • https://uploads.strikinglycdn.com/files/5aa3f4d4-a9b1-4d43-830e-c8eb71b19f56/7866666760.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/95fd2081-9faa-49ad-b0aa-e04f29ea3aa0/85574640085.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ef81e69b-dfeb-402f-aeaa-f727214fac9d/tijefanojowujoketibojim.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5caf364e-df93-4e93-ac1d-e27ff66ff720/kirimabefife.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 extracted file (font_00_sfnt_off000066fa.bin)

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