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 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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=descargar+autodata+3.40+para+windows In PDF document text

  • https://site-1040571.mozfiles.com/files/1040571/9982001599.pdfIn PDF document text
  • https://site-1038693.mozfiles.com/files/1038693/57494393010.pdfIn PDF document text
  • https://site-1037166.mozfiles.com/files/1037166/51047584044.pdfIn PDF document text
  • https://site-1037260.mozfiles.com/files/1037260/12357630860.pdfIn PDF document text
  • https://site-1037111.mozfiles.com/files/1037111/8665615479.pdfIn PDF document text
  • http://dolatux.wackenbergs.com/uploads/1/3/1/4/131454526/diwozuwojixegigosiv.pdfIn PDF document text
  • http://tipeminu.artbyfranklin.com/uploads/1/3/1/4/131453453/ferusupunego.pdfIn PDF document text
  • http://loboli.awicoaching.com/uploads/1/3/2/6/132681763/wijigupazosago_wogipinusaz_pidezuxekanad.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/3720/3364/files/california_jurat_with_affiant_statement.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0480/7947/0756/files/28184919546.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0481/5460/7777/files/batero.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ef0cf1d6-814d-4a3e-a796-a6cefe4ae2ec/75279213333.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7d7b878e-b8e2-4fd0-bb44-0464a77b3c85/pigepevunaxaroful.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2e5fd80f-fbf2-4fed-8f55-0969772163c3/89481634526.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
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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