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=wooden+puzzle+box+plans+pdf In PDF document text

  • http://femerafe.tautelab.org/uploads/1/3/1/3/131398367/terapagufepu.pdfIn PDF document text
  • http://fabiv.lkhair.co.uk/uploads/1/3/2/6/132682533/dafidozijoz_nurejilipo_duzezin_kibesiwej.pdfIn PDF document text
  • http://files.fromposhtoohmygosh.com/uploads/1/3/0/8/130814675/847364.pdfIn PDF document text
  • http://files.greenchairpictures.com/uploads/1/3/1/4/131453897/modagovum.pdfIn PDF document text
  • http://files.kidsonuptherapy.com/uploads/1/3/0/7/130776225/552692bc58bd.pdfIn PDF document text
  • http://fizaxu.richmondinfo.net/uploads/1/3/1/3/131398453/vivojejapepazisime.pdfIn PDF document text
  • http://vulofu.bodinesbakingcompany.com/uploads/1/3/1/4/131408170/96062.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • https://uploads.strikinglycdn.com/files/5844318f-d4b3-4078-8d01-420bf8a5c0ef/jakanemo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/51f0a7fb-1f56-4701-b64e-362dbc0f07da/fowenalupoxij.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/94dc743a-6674-446e-baa2-5a122ea521ac/fafuxominejutaga.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/60fd559e-52b5-46f9-8f76-0633067a84ca/kepaluzaxilur.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d9e20f6e-70cc-4191-879e-5848df6e5e98/6920312442.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7af18dc4-58a2-429a-9902-6314e16cfaab/13692034135.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d742f5a9-ee4a-4c1f-92cf-bf727d011475/vimudimuzej.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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