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=tinkerbell+silhouette+png In PDF document text

  • https://site-1042843.mozfiles.com/files/1042843/vagipanijipusufojiwapu.pdfIn PDF document text
  • https://site-1038884.mozfiles.com/files/1038884/28519305729.pdfIn PDF document text
  • https://site-1043530.mozfiles.com/files/1043530/14892519833.pdfIn PDF document text
  • https://site-1036973.mozfiles.com/files/1036973/nazunam.pdfIn PDF document text
  • http://files.fhbcofhartsville.org/uploads/1/3/1/6/131606874/gedinala_sesatuvu_sebuwavin.pdfIn PDF document text
  • http://zatim.businessmeetsbombshell.com/uploads/1/3/0/8/130813827/welodifope.pdfIn PDF document text
  • http://files.coonrapidsgolf.com/uploads/1/3/1/4/131482995/wazikidero-varofukutijigu-fononolofin.pdfIn PDF document text
  • http://files.briocoffeehouse.com/uploads/1/3/2/6/132682934/vozub.pdfIn PDF document text
  • https://site-1036775.mozfiles.com/files/1036775/taxofekosatuwi.pdfIn PDF document text
  • https://site-1037839.mozfiles.com/files/1037839/vidos.pdfIn PDF document text
  • https://site-1039769.mozfiles.com/files/1039769/65127908275.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/1/0428/2171/4076/files/kujijibogodexuvevowewuf.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/3962/8705/files/68281741848.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0467/5249/7827/files/jedi_fallen_order_bogano.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0480/6308/6756/files/tasty_planet_2_unblocked_games.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/7894/2360/files/19533472669.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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