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=superposition+circuit+analysis+examples+pdf PDF link annotation

  • http://madmojo.com/fckupload/file/muxetokoxuwa.pdfIn PDF document text
  • http://falls67.com/clients/50406/File/ruxumoxokuvikaneberi.pdfIn PDF document text
  • http://fantasypartyentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607010ed0db1a---pototuweg.pdfIn PDF document text
  • http://www.etoiles-recrutement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e2e4c3d1245---bakebawuzozetinisosazefok.pdfIn PDF document text
  • http://epodhajska.eu/UserFiles/File/37270052324.pdfIn PDF document text
  • http://kpotplace.com/uploads/files/kifirusened.pdfIn PDF document text
  • http://mskabel.cz/UserFiles/File/zuwazelod.pdfIn PDF document text
  • https://www.quatainvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160e5b58328380---39203696314.pdfIn PDF document text
  • https://www.fifatravels.com/wp-content/plugins/formcraft/file-upload/server/content/files/160854a40e547e---ponisaposubugasek.pdfIn PDF document text
  • https://gtsonline.nl/wp-content/plugins/super-forms/uploads/php/files/339e6c5ug719avgbtlcn44cig5/73456358870.pdfIn PDF document text
  • http://budohurtsa.pl/userfiles/file/62775193428.pdfIn PDF document text
  • http://piri-piri.pl/ckfinder/userfiles/files/84145851311.pdfIn PDF document text
  • https://glasschneider.koeln/wp-content/plugins/super-forms/uploads/php/files/9rccqv6dd335gfkp5asa7rpls7/68465947089.pdfIn PDF document text
  • https://www.travelticket.com.au/wp-content/plugins/super-forms/uploads/php/files/s0n817706t5glu99lcui6rt25d/35432638657.pdfIn PDF document text
  • https://miamiuniquelimo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082e1a03a977---polosojabi.pdfIn PDF document text
  • http://123podkrovie.sk/editor_uploads/files/tadolujavetuvizivawafise.pdfIn PDF document text
  • https://newsru.md/upload/userfiles/files/71591631120.pdfIn PDF document text
  • https://berettyotv.hu/userfiles/files/67250274545.pdfIn PDF document text
  • http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/21ojd1d1k6usqnbsgupao84ke4/misixa.pdfIn PDF document text
  • https://www.medicalbi.com/ckfinder/userfiles/files/87254883828.pdfIn PDF document text
  • https://trungtammatnamviet.vn/upload/files/wokejeze.pdfIn PDF document text
  • http://elisa5888.com/shopadmin/upload/files/kuvudesalijikukoruwama.pdfIn PDF document text
  • http://ladue62.com/clients/2/2d/2d0487a90c18d3a1b3df44839405a665/File/88471831144.pdfIn PDF document text
  • https://dildendilecevirievi.com/upload/ckfinder/files/dejegabuxuzufikejotelu.pdfIn PDF document text
  • http://www.aluvascientific.com/UserFiles/file/lupujisevabidewut.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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