Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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 http://www.everhouse.lt/wp-content/plugins/formcraft/file-upload/server/content/files/161013f0153f77---52881212520.pdf In PDF document text

  • https://hmv.ir/wp-content/plugins/formcraft/file-upload/server/content/files/1609134d8aac34---xerutosotofamibe.pdfIn PDF document text
  • https://astoriareiki.com/wp-content/plugins/super-forms/uploads/php/files/36cb1d204d3b16d26625742d11d358c7/21649376232.pdfIn PDF document text
  • https://www.grandiosa.is/wp-content/plugins/super-forms/uploads/php/files/vp7qr1ghcrqeuqnh3f1b32hbf0/xasitebifawe.pdfIn PDF document text
  • http://wypelnienia.kratex.pl/wp-content/plugins/super-forms/uploads/php/files/70242635041fc09a96f378db4a07385e/97158285567.pdfIn PDF document text
  • https://wscnaturalhealings.com/wp-content/plugins/super-forms/uploads/php/files/6e047254e0ec9d5af82b351a8972e399/nusojokor.pdfIn PDF document text
  • http://eugensa.lt/app/webroot/uploads/userfiles/files/xixif.pdfIn PDF document text
  • http://dchs1961.com/clients/871949/File/dukuj.pdfIn PDF document text
  • https://hps-gruppe.com/wp-content/plugins/super-forms/uploads/php/files/b2f8v5ru9f1e6h2klccpf4a5lm/limuvigumupebujaxido.pdfIn PDF document text
  • http://paymentsbusiness.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160ae836d19fd6---towire.pdfIn PDF document text
  • http://biplano.eu/userfiles/files/92622789269.pdfIn PDF document text
  • http://splogservice.ru/content/file/88860812011.pdfIn PDF document text
  • https://www.webhisto.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160af79ad9fcf0---56712586447.pdfIn PDF document text
  • https://godahoian.com/app/webroot/upload/files/modavexaridunabuzeroguk.pdfIn PDF document text
  • https://revapackers.com/wp-content/plugins/super-forms/uploads/php/files/c3a3st8rpg6elacjticjd5vj6n/kexufoludisuzejor.pdfIn PDF document text
  • http://www.scmphotography.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607bc00a5917b---77105613421.pdfIn PDF document text
  • https://nnkcreations.com/userfiles/file/93521204024.pdfIn PDF document text
  • https://electrabicycles.pl/app/webroot/uploads/file/16266370859808.pdfIn PDF document text
  • https://www.cocochan.com.pk/wp-content/plugins/super-forms/uploads/php/files/58ff9e44d4538495556dfdd7b0871afe/sajudo.pdfIn PDF document text
  • https://073741256.com/uploads/files/202108201218331115.pdfIn PDF document text
  • http://extracam.es/app/webroot/arxius/file/wajato.pdfIn PDF document text
  • https://www.displaysdirectaustralia.com.au/application/third_party/ckfinder/userfiles/files/pizojorewitopikojagafeguv.pdfIn PDF document text
  • http://endustriyelkiralama.com/wp-content/plugins/super-forms/uploads/php/files/53u1kacedmgke7n9ic7gekgqlf/14648351097.pdfIn PDF document text
  • http://konferencii.org/js/ckfinder/userfiles/files/77236688757.pdfIn PDF document text
  • http://structurecreative.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d49b5ce7738---68426464250.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=science+classroom+activities+pdfPDF link annotation
  • 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 PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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