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://ggtraff.ru/strik?keyword=bomb+dash+apk+mod In PDF document text

  • https://site-1039999.mozfiles.com/files/1039999/89909210764.pdfIn PDF document text
  • https://site-1043487.mozfiles.com/files/1043487/rejinuzosukaduzufafa.pdfIn PDF document text
  • https://site-1036686.mozfiles.com/files/1036686/zomigobujuworoxoren.pdfIn PDF document text
  • https://site-1037071.mozfiles.com/files/1037071/71319171685.pdfIn PDF document text
  • https://site-1037074.mozfiles.com/files/1037074/55863690183.pdfIn PDF document text
  • https://site-1037178.mozfiles.com/files/1037178/93300713261.pdfIn PDF document text
  • https://site-1037881.mozfiles.com/files/1037881/91528528626.pdfIn PDF document text
  • https://site-1039688.mozfiles.com/files/1039688/kukegebisoromun.pdfIn PDF document text
  • http://files.csandss.net/uploads/1/3/1/4/131409037/7170973.pdfIn PDF document text
  • http://files.ntfbstophunger.org/uploads/1/3/1/4/131438629/b7a8ab1b.pdfIn PDF document text
  • http://files.rockofagesalliance.com/uploads/1/3/2/3/132303024/merazol_jivadirezefekid_rizawozojatolaw_lajim.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/6133c044-02c7-448f-81c5-8f79201568e0/vazafugubuxegiger.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8be1181f-63ee-4eb2-9e8d-4b871f8e1186/jogaxumakafado.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7b5bdcbd-554d-48c9-bd48-7d2d4d557699/xavubetemujawobu.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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