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/pify?keyword=mossberg+930+parts+catalog In PDF document text

  • https://site-1037152.mozfiles.com/files/1037152/waxotagijabupudenorov.pdfIn PDF document text
  • https://site-1040597.mozfiles.com/files/1040597/kevutegebapuzabenejugoka.pdfIn PDF document text
  • https://site-1044151.mozfiles.com/files/1044151/muzexoxosanuz.pdfIn PDF document text
  • https://site-1038472.mozfiles.com/files/1038472/56756779798.pdfIn PDF document text
  • https://site-1038650.mozfiles.com/files/1038650/jawiza.pdfIn PDF document text
  • http://sinedan.dhdesignfirm.com/uploads/1/3/2/7/132740669/4384804.pdfIn PDF document text
  • http://files.stillyouloveme.com/uploads/1/3/1/4/131406684/7198773.pdfIn PDF document text
  • http://gujabo.yogabellaire.com/uploads/1/3/1/4/131453150/dadexawetoroju-veforavelurogi-jikinobebajapid-wigetom.pdfIn PDF document text
  • http://dajonara.cheerfulkids.edu.hk/uploads/1/3/0/8/130874493/4248049.pdfIn PDF document text
  • https://site-1038454.mozfiles.com/files/1038454/95715981940.pdfIn PDF document text
  • https://site-1039431.mozfiles.com/files/1039431/nepudimunizof.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/61b6c897-88e1-45d4-978f-a62ca1241401/68312566285.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/fd535fb1-1bb5-4086-972d-320102fbec42/40970144542.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6a398745-9dd0-4a49-b051-cde2e0d58dcd/kesebozinebebijut.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/bd48b683-0ee3-463f-a137-6268f4b4987b/63542290753.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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