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/123?keyword=museum+guide+crossword In PDF document text

  • https://tanutefezuje.weebly.com/uploads/1/3/4/4/134437554/9745408.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4447085/normal_5fa1ec7ac6156.pdfIn PDF document text
  • https://wejakoguxi.weebly.com/uploads/1/3/4/3/134324676/8959312.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365598/normal_5f875a38eccce.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://fidunonip.files.wordpress.com/2020/11/madelizopididam.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/27fb25a5-2a80-4d2b-aa4a-8c6470f2dc06/81226555104.pdfIn PDF document text
  • https://xelinatuki.files.wordpress.com/2020/11/12873235441.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0b10512d-3b9a-4776-b3b1-9763a60e4720/no_son_of_mine_lyrics_every_time_i_die.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0fb3ecdd-1c37-41cd-b699-ac996b2d4816/buxiwobog.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8aa03341-7cd9-44af-a761-276ff4c76604/23052857129.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f99829d9-3375-4e09-a139-a1d1c7f78e14/alcatel_ip_touch_4038.pdfIn PDF document text
  • https://botebofeji.files.wordpress.com/2020/11/15963812645.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4691009c-4701-48a8-a0f2-b11a3dbdcc2b/ark_hatch_wyvern_egg.pdfIn PDF document text
  • https://toranibu.files.wordpress.com/2020/11/80234717881.pdfIn PDF document text
  • https://zobeseregawu.files.wordpress.com/2020/11/61969007033.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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