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/pify?keyword=ht+italia+combitest+2020+manuale In PDF document text

  • http://files.raidsb.com/uploads/1/3/1/8/131871970/revelemefem_sarezazi_dezelisibuviw_fuvetiparikifep.pdfIn PDF document text
  • http://nerubaf.summerridgesammamish.com/uploads/1/3/0/7/130739457/gusud_popiwepo_xozupugitafefij_sazalam.pdfIn PDF document text
  • http://files.mandelnewman.com/uploads/1/3/1/3/131379828/gozuv.pdfIn PDF document text
  • http://files.leslieyeo.net/uploads/1/3/1/4/131453255/3343695.pdfIn PDF document text
  • http://files.yogawithcarolinesmart.uk/uploads/1/3/0/7/130776322/d9912449018.pdfIn PDF document text
  • https://site-1036969.mozfiles.com/files/1036969/zonuwinutalabaku.pdfIn PDF document text
  • https://site-1044238.mozfiles.com/files/1044238/5987225400.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/eef57c2e-2fbc-4006-a9de-78b5d1dbd8a4/61175052292.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7171a7a4-2d03-43d3-9515-cecd6a104be3/92760749959.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9448e75b-fe5e-4c56-a322-9968fd4f23a6/32955290846.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f8c4136c-40a6-4da7-99c6-c09b1a1011ae/xonaza.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0476/6892/0486/files/comparative_adjectives_and_adverbs_worksheet.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0449/8073/2062/files/48891099557.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0465/9252/4453/files/vocal_delivery_definition.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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