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/strik?keyword=interest+calculator+excel+template In PDF document text

  • http://luzizebu.sierramcguireart.com/uploads/1/3/1/8/131871921/sinapifub.pdfIn PDF document text
  • http://files.thathippiephotography.com/uploads/1/3/0/7/130739488/97441d5eed4.pdfIn PDF document text
  • http://files.littleladyo.com/uploads/1/3/0/9/130969004/furopigolijur.pdfIn PDF document text
  • http://files.pawsitivelyunleashed.com/uploads/1/3/2/8/132815180/7512155.pdfIn PDF document text
  • http://kafijik.ketsup-pinoy.com/uploads/1/3/0/9/130970003/vudivapikipexe.pdfIn PDF document text
  • https://site-1037069.mozfiles.com/files/1037069/55602975454.pdfIn PDF document text
  • https://site-1038631.mozfiles.com/files/1038631/6566635011.pdfIn PDF document text
  • https://site-1036824.mozfiles.com/files/1036824/jenizidus.pdfIn PDF document text
  • https://site-1039889.mozfiles.com/files/1039889/20550112610.pdfIn PDF document text
  • https://site-1036938.mozfiles.com/files/1036938/32833871560.pdfIn PDF document text
  • https://site-1036993.mozfiles.com/files/1036993/29118318115.pdfIn PDF document text
  • https://site-1037219.mozfiles.com/files/1037219/31988473979.pdfIn PDF document text
  • https://site-1036798.mozfiles.com/files/1036798/5327973219.pdfIn PDF document text
  • https://site-1040050.mozfiles.com/files/1040050/negux.pdfIn PDF document text
  • https://site-1036829.mozfiles.com/files/1036829/lirusuzaxebi.pdfIn PDF document text
  • https://site-1039830.mozfiles.com/files/1039830/96881160016.pdfIn PDF document text
  • https://site-1038691.mozfiles.com/files/1038691/rujasas.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn 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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