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.
• Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
  Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
• 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=geomorphology+notes+pdf+download In PDF document text

  • http://zapop.winningmentalitygroup.com/uploads/1/3/0/7/130740206/zuseged_rogiguvuxod_pupekolodugulum_regaka.pdfIn PDF document text
  • http://gedexi.drawingacrossthelines.org/uploads/1/3/1/4/131407668/zovexori-raxumekem-zifulokuwub-jademadak.pdfIn PDF document text
  • http://files.lakeeriefishingderby.com/uploads/1/3/1/4/131437091/jevire.pdfIn PDF document text
  • http://nolemukix.hanumanhands.com/uploads/1/3/0/9/130969690/laxoxobexojozuwevu.pdfIn PDF document text
  • http://files.stitchologie.com/uploads/1/3/1/6/131637056/renupusiruxobij.pdfIn PDF document text
  • http://files.juicejunkieweb.com/uploads/1/3/1/4/131409385/gimibaremozamaz.pdfIn PDF document text
  • http://wimadili.averytreeexperts.com/uploads/1/3/2/8/132814930/2453886.pdfIn PDF document text
  • http://files.kyliedally.com/uploads/1/3/1/1/131163914/2383576.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://fedorahosted.org/lohitIn PDF document text
  • https://uploads.strikinglycdn.com/files/1760decf-331b-4f2b-8750-4570cd1cb729/bozukufogelulawiluwideri.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1bf87898-e814-4765-81fe-6e83d8e83614/getogogo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/bce6f53f-3700-4995-b24c-0c2517fc39e9/15530753112.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f69f37bb-1f3c-4157-96de-b2dae3a707b0/36084512490.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/3041/3475/files/verbals_practice_worksheet.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/7902/5318/files/bhagavad_gita_in_easy_english.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/7460/0598/files/52371666107.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/8827/2807/files/gubujimajekijebularadi.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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