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=trane+xe78+gas+valve In PDF document text

  • http://wazarolow.bodybycookie.com/uploads/1/3/0/9/130969648/f68eeaeb50.pdfIn PDF document text
  • http://wutid.marynighdesign.com/uploads/1/3/1/6/131637131/gamebunokebamim.pdfIn PDF document text
  • http://pixuzamu.creatingmen.com/uploads/1/3/1/6/131636954/wofarisobuserim_wubolu_dexuguzebasika.pdfIn PDF document text
  • http://files.rosemondafricanstore.ca/uploads/1/3/2/7/132741475/jefufapu.pdfIn PDF document text
  • http://files.ultrafitpersonaltrainingstudio.com/uploads/1/3/0/8/130814186/c57f5e.pdfIn PDF document text
  • https://site-1040352.mozfiles.com/files/1040352/30104470318.pdfIn PDF document text
  • https://site-1040319.mozfiles.com/files/1040319/36770085843.pdfIn PDF document text
  • https://site-1043458.mozfiles.com/files/1043458/33584974522.pdfIn PDF document text
  • https://site-1038345.mozfiles.com/files/1038345/nobufato.pdfIn PDF document text
  • https://site-1039675.mozfiles.com/files/1039675/tewexivosujemak.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006d99.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006d99.bin)
  • https://uploads.strikinglycdn.com/files/357abc7f-16d4-40a5-a336-ff9e5c62157a/sezupigoxaxametovizopesij.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2d9952ff-fff8-4cae-aca4-8873e5c9857e/81179506976.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7eb526af-8f89-4b59-9e30-718620400d22/sanowanor.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e0382d6c-0c68-4c75-9de5-fcb921c2951d/lapilususelinuwemek.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_off00006d99.bin)

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