Malicious PDF — malware analysis report

Heuristics 5

• 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.
• Travel-support phone-number stuffing scam high SE_TRAVEL_SUPPORT_PHONE_SCAM
  Document repeats phone numbers in airline/travel/refund/support language, often across multiple regional phrasings. This matches SEO/support-scam PDFs that impersonate airlines or travel brands and route users to attacker-controlled call centers rather than a normal travel document.
• 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://cctraff.ru/strik?keyword=ielts+speaking+cue+cards+pdf+2017 In PDF document text

  • https://site-1038331.mozfiles.com/files/1038331/93482390611.pdfIn PDF document text
  • https://site-1037152.mozfiles.com/files/1037152/93046429473.pdfIn PDF document text
  • http://files.quielclass.com/uploads/1/3/0/8/130874316/kaxepokakupujofuji.pdfIn PDF document text
  • http://files.parkhillbowlingclub.com/uploads/1/3/2/8/132815154/4047543.pdfIn PDF document text
  • http://files.likelytreasuresblog.com/uploads/1/3/1/6/131606268/8a16a12543ff.pdfIn PDF document text
  • http://fawivizuf.sdadata.org/uploads/1/3/2/6/132682347/mavebexinised.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000613b.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000613b.bin)
  • http://www.daltonmaag.com/In extracted file (font_02_sfnt_off0000973e.bin)
  • https://cdn.shopify.com/s/files/1/0428/1732/3175/files/47692646547.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0462/7342/9661/files/personal_knowledge_towards_a_post_critical_philosophy.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/3676/2527/files/asure_id_express_5._6_free.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/9559/5938/files/35754713813.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/bbd6a35a-b93d-44ad-8784-eebe7039cac6/64427603993.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c6e2a11f-dbc5-4bba-bb8d-ee2bf3462ef3/takexibifivoj.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 extracted file (font_00_sfnt_off0000613b.bin)

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