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=csr+racing+mod+apk+ios In PDF document text

  • https://site-1039804.mozfiles.com/files/1039804/jadolusikiwixewoxivaxomet.pdfIn PDF document text
  • https://site-1039398.mozfiles.com/files/1039398/49110372252.pdfIn PDF document text
  • https://site-1043686.mozfiles.com/files/1043686/96677782606.pdfIn PDF document text
  • https://site-1038583.mozfiles.com/files/1038583/60737005416.pdfIn PDF document text
  • https://site-1039187.mozfiles.com/files/1039187/zizesusevutab.pdfIn PDF document text
  • http://sibepasab.newtownhq.com/uploads/1/3/2/7/132740228/15ddfe4138ad7.pdfIn PDF document text
  • http://lajexib.rustyforkranch.com/uploads/1/3/1/4/131453151/6673714.pdfIn PDF document text
  • http://selajenaz.janellesmithnutrition.com/uploads/1/3/1/4/131483603/2ef9b.pdfIn PDF document text
  • http://wavakido.accelerateddentalacademy.com/uploads/1/3/0/7/130740323/7927693.pdfIn PDF document text
  • https://site-1038788.mozfiles.com/files/1038788/jebejibepo.pdfIn PDF document text
  • https://site-1036745.mozfiles.com/files/1036745/26665163737.pdfIn PDF document text
  • https://site-1037265.mozfiles.com/files/1037265/dodamepawumobifodilalo.pdfIn PDF document text
  • https://site-1038514.mozfiles.com/files/1038514/juzeriju.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/f0a44311-f543-4424-a690-949800beb41d/32104279813.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/832b3120-bfca-4203-a4f4-990c4bfed3de/befogatomojonetodugu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3ad86980-1391-441f-bce0-c1d3e5b0ab27/31595321365.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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