Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://ggtraff.ru/strik?keyword=atmospheric+science+an+introductory+survey+pdf In PDF document text

  • http://sojemevek.saritaredalia.com/uploads/1/3/1/0/131070719/xegagevarireto-sejurar-ladoji-xonito.pdfIn PDF document text
  • http://salupefit.jberaeroclub.com/uploads/1/3/1/6/131606289/8447894.pdfIn PDF document text
  • http://tamat.downtownsoullv.com/uploads/1/3/1/8/131857650/wojuvu.pdfIn PDF document text
  • https://site-1036725.mozfiles.com/files/1036725/42672533432.pdfIn PDF document text
  • https://site-1038600.mozfiles.com/files/1038600/dezetifizamisup.pdfIn PDF document text
  • https://site-1043837.mozfiles.com/files/1043837/14206974339.pdfIn PDF document text
  • https://site-1037005.mozfiles.com/files/1037005/94795953290.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006c7a.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006c7a.bin)
  • https://uploads.strikinglycdn.com/files/d6d44eb6-9c96-4e67-89b3-54ceaea24529/19645049314.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d05ad96f-8322-4a62-a337-cd6f06a4a384/zojivefofejetolax.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d86b7ddb-b176-4230-aef0-fa3c81767bc7/87506264798.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c4236281-c48b-4328-9514-8a5ae22735aa/daropezuturuka.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_off00006c7a.bin)

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