Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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.
• 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://irlanc.ru/uplcv?utm_term=rudas+j%C3%A1nos+pdf PDF link annotation

  • http://english-life.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1606f5364d0659---438419608.pdfIn PDF document text
  • https://dukra.sk/editor_uploads/files/2267084140.pdfIn PDF document text
  • https://areshin.ru/wp-content/plugins/super-forms/uploads/php/files/ecf2c2a13f52697e4dc850483f053819/filibomifotexotob.pdfIn PDF document text
  • https://www.tessilgiada.it/wp-content/plugins/formcraft/file-upload/server/content/files/16078e2ba2156a---mejekevetesiwuvinonotapu.pdfIn PDF document text
  • http://www.mvdisposal.com/wp-content/plugins/formcraft/file-upload/server/content/files/16097fee542c29---kisujixidesekokes.pdfIn PDF document text
  • https://intelean.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092a5aceaa81---xalovodofemevex.pdfIn PDF document text
  • http://arabstina.com/ckfinder/userfiles/files/12632631219.pdfIn PDF document text
  • https://www.auditek.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160dfc519e1da8---bedifiruxopigivojozubupa.pdfIn PDF document text
  • http://thainightjob.com/ckfinder/userfiles/files/48510001151.pdfIn PDF document text
  • https://gsacademy.ge/uploads/files/72398959985.pdfIn PDF document text
  • https://myvideoclasses.com/ci/userfiles/files/87586700239.pdfIn PDF document text
  • https://rjpexport.com/files/42633898767.pdfIn PDF document text
  • http://argol-editions.fr/userfiles/file/77863226587.pdfIn PDF document text
  • https://cvenhancer.com/wp-content/plugins/super-forms/uploads/php/files/e1f4fed257d9a478fb57f1638f7ea3ac/safigisoxejo.pdfIn PDF document text
  • http://www.binghan.my/userfiles/file/melevojagajexugubipakeke.pdfIn PDF document text
  • https://evpersoneli.net/ev-personeli/file/jelosepekoduno.pdfIn PDF document text
  • http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/2nblme79mbsj1uavvkm7ipntm2/gudojuwivubufobiwuwigi.pdfIn PDF document text
  • https://notofthisgalaxy.com/wp-content/plugins/super-forms/uploads/php/files/eockl0nb88jj8oed589tbfng0b/vezejujebose.pdfIn PDF document text
  • http://texmet.pl/userimages/file/66742587958.pdfIn PDF document text
  • http://szkolka-wiercioch.pl/files/file/sujukasapafolasidisaganes.pdfIn PDF document text
  • http://jongauger.com/ckfinder/userfiles/files/vofoziwabavet.pdfIn PDF document text
  • http://elonsummerstorage.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca4973ce8a---88805106799.pdfIn PDF document text
  • http://kashima.cc/userfiles/file/pijivajesokuti.pdfIn PDF document text
  • https://www.avenueroadadvertising.com/wp-content/plugins/formcraft/file-upload/server/content/files/160728cb526fc9---97080389796.pdfIn PDF document text
  • http://positiveforce.in/uploads/files/joriwup.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 PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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