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://traffking.ru/aws?keyword=elemental+workshop+osrs+quick+guide In PDF document text

  • https://cdn-cms.f-static.net/uploads/4382621/normal_5f93920964707.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4392872/normal_5f912bb0a3901.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/ee9a9cb3-bedc-47be-b662-ba68e090c486/58037157409.pdfIn PDF document text
  • https://jupinur.files.wordpress.com/2020/11/69655564102.pdfIn PDF document text
  • https://ditigogonib.files.wordpress.com/2020/11/80936372183.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3458251d-af6e-45a0-8192-c9fe88efe87d/conan_exiles_khlkiste.pdfIn PDF document text
  • https://juvibix.files.wordpress.com/2020/11/wazasusegupaxusijip.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3faec61d-03ad-48ef-b84e-67d85372d602/standoff_2_mod_apk_unlimited_money.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1a174aab-66f7-43c4-8d41-26a522290009/closer_chainsmokers_download_mp3.pdfIn PDF document text
  • https://lodoxepal.files.wordpress.com/2020/11/reremuradivuvevedivogobid.pdfIn PDF document text
  • https://sovezetazej.files.wordpress.com/2020/11/nugewekojasonepujanetim.pdfIn PDF document text
  • https://vabavoresadi.files.wordpress.com/2020/11/debewasomogoro.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/eab360ef-3db2-4ef1-b41b-f501613415be/22788773401.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/54c79739-09a9-421e-9c95-d3d6dddfd2e6/11347889649.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8d4f6920-19a3-4672-b389-00cfefc26dab/49206293836.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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