Malicious PDF — malware analysis report

Heuristics 4

• 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.
• External URI info PDF_URI
  PDF contains an external URL action
• 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://trafftec.ru/aws?keyword=tailings+and+mine+waste+conference PDF link annotation

  • https://zemuxarasojutin.weebly.com/uploads/1/3/4/3/134374283/0ec8a33b.pdfIn PDF document text
  • https://fajagewuw.weebly.com/uploads/1/3/4/3/134350503/roxajibuperam_fovopokopav_dotov_tipizeki.pdfIn PDF document text
  • https://robubafo.weebly.com/uploads/1/3/4/5/134588337/3599252.pdfIn PDF document text
  • https://zisokilusativ.weebly.com/uploads/1/3/2/3/132303079/xukuza-kobifajip-dedurova-bakowusanitape.pdfIn PDF document text
  • https://gatilavim.weebly.com/uploads/1/3/4/3/134391542/mifef_widojifilixunof.pdfIn PDF document text
  • https://rofofomigedug.weebly.com/uploads/1/3/4/4/134486696/wonis.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/ruzumeb/sony_discman_d_50_mk2.pdfIn PDF document text
  • https://s3.amazonaws.com/sizadagazagaj/cerebrovascular_anatomy.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a41f2e57-6b43-4765-9525-97885a3454c8/15851966587.pdfIn PDF document text
  • https://s3.amazonaws.com/luvamekonivoz/63117245302.pdfIn PDF document text
  • https://s3.amazonaws.com/lukepepe/bluestacks_download_apk_android_pc.pdfIn PDF document text
  • https://s3.amazonaws.com/pizivurapab/social_work_biopsychosocial_assessment_example.pdfIn PDF document text
  • https://s3.amazonaws.com/tesasubawalozan/convert_100_ounces_to_gallons.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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