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://cructi.ru/uplcv?utm_term=ejercicios+formulaci%C3%B3n+inorg%C3%A1nica+1+bachillerato+pdf+con+soluciones PDF link annotation

  • https://thealloywheelcentre.co.uk/wp-content/plugins/super-forms/uploads/php/files/25a3da8b8f7487c9f6201575bf7b3c6d/dafozudijafawogufiwi.pdfIn PDF document text
  • https://postelezmasivu-praha.cz/ckfinder/userfiles/files/fezusisedokomutowajejof.pdfIn PDF document text
  • https://proxus.nl/file/midoladireve.pdfIn PDF document text
  • http://christschoolblr.in/userfiles/file/solirogela.pdfIn PDF document text
  • https://romalasergroup.com/userfiles/files/68004637803.pdfIn PDF document text
  • https://www.bountyvacation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a942fb6b42---74204660462.pdfIn PDF document text
  • https://sedefartphotography.com/resimler/files/fevopidesorivedijisat.pdfIn PDF document text
  • http://eko-inwest.eu/upload/file/gubibuvidefuduzimi.pdfIn PDF document text
  • http://www.cerathai.com/image/upload/File/62931622704.pdfIn PDF document text
  • https://ncsccalgary.com/userfiles/files/likifufatepuref.pdfIn PDF document text
  • https://www.ideaklinikkadikoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c3d54543e26---4427494491.pdfIn PDF document text
  • https://www.helpfulhunks.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16098799b01b87---57388367786.pdfIn PDF document text
  • https://etcbt.com/userfiles/file/65808820800.pdfIn PDF document text
  • https://edarky.net/data/file/werelalogulif.pdfIn PDF document text
  • http://parkhigh65.com/clients/4970/File/70966492256.pdfIn PDF document text
  • http://ar-intl.net/wp-content/plugins/super-forms/uploads/php/files/79dir7prkhp6mvsf539pe98sj2/59130016688.pdfIn PDF document text
  • https://funkydrop.shop/wp-content/plugins/super-forms/uploads/php/files/320dc1c610fe726daf5611d424ebbfef/devebizopukazonizederova.pdfIn PDF document text
  • https://elpmarketing.ca/wp-content/plugins/super-forms/uploads/php/files/2a7e7f987405809cda1cd9c2f5080758/44170516950.pdfIn PDF document text
  • https://www.jahnigterbraak.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a585257840c---69874542957.pdfIn PDF document text
  • https://www.profiemg.cz/upload/ck/files/komisowemux.pdfIn PDF document text
  • https://www.financedeclined.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160c88309aa0b5---watukunabojemukaximimales.pdfIn PDF document text
  • https://tepihtrava.rs//files/gixazaxugalufaxuzisomo.pdfIn PDF document text
  • https://playgametoday.ru/wp-content/plugins/super-forms/uploads/php/files/c841efc277175397081bafc493ee0580/duzulugopomafazo.pdfIn PDF document text
  • http://asesorialuishervas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b32a34134d4---jilibabapofasasikuxulu.pdfIn PDF document text
  • http://gsmontaggi.it/userfiles/files/bakapurazopumifoluludakel.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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