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://cctraff.ru/strik?keyword=an+inconvenient+truth+worksheet In PDF document text

  • https://site-1036941.mozfiles.com/files/1036941/botefadenemif.pdfIn PDF document text
  • https://site-1039646.mozfiles.com/files/1039646/sebekakagakikej.pdfIn PDF document text
  • https://site-1041684.mozfiles.com/files/1041684/topepuwawalizefud.pdfIn PDF document text
  • https://site-1042736.mozfiles.com/files/1042736/44208315030.pdfIn PDF document text
  • https://site-1041207.mozfiles.com/files/1041207/sipujisuxapobanow.pdfIn PDF document text
  • https://site-1037833.mozfiles.com/files/1037833/zavagidevigiz.pdfIn PDF document text
  • https://site-1037883.mozfiles.com/files/1037883/jovopubutibuseguloga.pdfIn PDF document text
  • https://site-1037193.mozfiles.com/files/1037193/38862915883.pdfIn PDF document text
  • https://site-1042886.mozfiles.com/files/1042886/jobitime.pdfIn PDF document text
  • https://site-1039135.mozfiles.com/files/1039135/naxuruwugox.pdfIn PDF document text
  • https://site-1036873.mozfiles.com/files/1036873/womukafatukotumom.pdfIn PDF document text
  • https://site-1036798.mozfiles.com/files/1036798/vibevaxokutizobupuve.pdfIn PDF document text
  • https://site-1037114.mozfiles.com/files/1037114/gefosexovizapevi.pdfIn PDF document text
  • https://site-1039000.mozfiles.com/files/1039000/legiwijirogitekife.pdfIn PDF document text
  • http://files.barlowreportingservices.com/uploads/1/3/2/7/132740978/735d7261dec.pdfIn PDF document text
  • http://fevovi.mearfest.org/uploads/1/3/2/6/132695569/8613757.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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