Malicious PDF / .VIR — malware analysis report

Heuristics 5

• 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.
• External URI info PDF_URI
  PDF contains an external URL action
• 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://taybaite.com/userfiles/file/77431152261.pdf In PDF document text

  • https://vifojozajo.weebly.com/uploads/1/3/1/4/131454549/logexejev.pdfIn PDF document text
  • http://numberprotect.com/admin/kcfinder/upload/files/55481416872.pdfIn PDF document text
  • https://ronewomiz.weebly.com/uploads/1/3/0/8/130874064/riketokolebejaxutom.pdfIn PDF document text
  • https://kamowomol.weebly.com/uploads/1/3/4/3/134371521/subolubutajubef.pdfIn PDF document text
  • http://msmzizkov.cz/data/dokumenty/67301122193.pdfIn PDF document text
  • http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1620d13a5275cf---puboxiruw.pdfIn PDF document text
  • https://zopoxetofosifa.weebly.com/uploads/1/3/4/8/134863155/678065.pdfIn PDF document text
  • https://degadita.weebly.com/uploads/1/3/5/9/135965793/78ab7202be9e6a3.pdfIn PDF document text
  • https://siminanora.weebly.com/uploads/1/3/4/6/134611077/2817461.pdfIn PDF document text
  • https://sizuwebon.weebly.com/uploads/1/3/0/8/130814729/melutewotapizowugiw.pdfIn PDF document text
  • https://dowixedazu.weebly.com/uploads/1/3/1/4/131409709/9c0100fac5be9c.pdfIn PDF document text
  • https://nawopudupavipe.weebly.com/uploads/1/3/4/8/134856820/matekebijowutexewij.pdfIn PDF document text
  • https://jefudozozidadom.weebly.com/uploads/1/3/7/5/137515717/norog.pdfIn PDF document text
  • https://fipokotosa.weebly.com/uploads/1/3/4/5/134506619/dexamoso_tefineved_gixusinuzekeraj_netipunirurelor.pdfIn PDF document text
  • https://xafinojawotemob.weebly.com/uploads/1/4/1/7/141738207/8265019.pdfIn PDF document text
  • https://famelugosa.weebly.com/uploads/1/3/0/8/130873944/towuruxazupekenun.pdfIn PDF document text
  • https://budovabi.weebly.com/uploads/1/3/4/5/134510119/zutewofusitiziwi.pdfIn PDF document text
  • https://nemaxixadegumis.weebly.com/uploads/1/4/1/8/141856344/pijomezinonuj-sedawokulewut.pdfIn PDF document text
  • https://kadibunafi.weebly.com/uploads/1/3/0/9/130969561/618396.pdfIn PDF document text
  • https://kavosimodo.weebly.com/uploads/1/3/4/9/134901779/9430671.pdfIn PDF document text
  • http://chestheart.org/journal/assets/ckeditor/kcfinder/upload/files/xevurudanavotuk.pdfIn PDF document text
  • https://puborefi.weebly.com/uploads/1/4/1/4/141406850/tarepib-ladunebuk.pdfIn PDF document text
  • http://teormech.ru/teormech/usrimg/file/matenebavopizosazi.pdfIn PDF document text
  • https://rilasisorug.weebly.com/uploads/1/4/2/1/142135943/e9606ed.pdfIn PDF document text
  • http://oapsirs.com/c3?utm_term=hootsuite+app+androidPDF link annotation
  • https://static1.squarespace.com/static/604aea6a97201213e037dc4e/t/62e4e055e6101e36e7b5fcd6/1659166806346/fakoxebuxefivutigu.pdfIn PDF document text
  • https://static1.squarespace.com/static/60aaf27c8bac0413e6f804fa/t/62cdbe6afc6293179bc515e3/1657650795294/Zeitschrift_Toxikologie_Umwelt_und.pdfIn PDF document text
  • https://static1.squarespace.com/static/60aaf25e42d7b60106dc17aa/t/62dec7537d721457c71a8343/1658767188376/56695113745.pdfIn PDF document text
  • https://static1.squarespace.com/static/60aaf27c8bac0413e6f804fa/t/62b7860de2aeb62d912edff3/1656194573695/31651369329.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://dejavu.sourceforge.netIn extracted file (font_00_sfnt_off00009dc6.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off00009dc6.bin)

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