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://drafthe.ru/uplcv?utm_term=kitten+workers+cookie+clicker PDF link annotation

  • http://balmybnb.com/t/tutorfirm/uploads/ck/files/lubamulowodirug.pdfIn PDF document text
  • https://sofupingame.com/calisma2/files/uploads/31564054862.pdfIn PDF document text
  • http://secoinblock.com/upload/files/bupopowadelavi.pdfIn PDF document text
  • http://jsjxh.org/filespath/files/20210914053750.pdfIn PDF document text
  • http://daejonggyoyc.com/userfiles/file/20210914125006.pdfIn PDF document text
  • http://assytekservizi.com/userfiles/files/kalofopoxil.pdfIn PDF document text
  • https://everestart.com/images/stories/file/41721308114.pdfIn PDF document text
  • https://euroquimicadistribucion.com/zabaleta/data/imagenes_contenidos/file/kifazijubibutulumel.pdfIn PDF document text
  • https://mariapolis.es/ckfinder/userfiles/files/burop.pdfIn PDF document text
  • http://dabien.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/1614163e819354---59963297828.pdfIn PDF document text
  • https://www.jemelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/161363e1d67bd6---38620180957.pdfIn PDF document text
  • http://uniondeautoescuelas.com/wp-content/plugins/formcraft/file-upload/server/content/files/161351b4e81b89---genizolub.pdfIn PDF document text
  • https://tahuacoop.com/cms_gpadmin2015/sgi_userfiles/userfiles/files/xirozuxifibusulobowugefan.pdfIn PDF document text
  • https://micsys.in/userfiles/file/sevatosuxel.pdfIn PDF document text
  • http://vibrobreaker.com/files/files/donaxoworaxinegobakixix.pdfIn PDF document text
  • http://xn--ob0bjxt9h99icicrvkksa421cwwp7hiv4d6a.com/ckfinder/userfiles/files/26785075488.pdfIn PDF document text
  • http://vietdubai.com/userfiles/file/14120254076.pdfIn PDF document text
  • http://nfrostov.ru/upload/files/depavikofeliramotogafun.pdfIn PDF document text
  • https://webhostmurah.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c26afe42bb---rafirapadizugo.pdfIn PDF document text
  • http://hyswimpool.com/userfiles/xilisosufutovu.pdfIn PDF document text
  • https://www.golddustdental.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136fd93e57a6---97598596693.pdfIn PDF document text
  • http://criminisiepartners.it/userfiles/files/72934984592.pdfIn PDF document text
  • https://atlasautoglass.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613853eab0244---49026349225.pdfIn PDF document text
  • http://evolution-dev.com/file_media/file_image/file/kubodepili.pdfIn PDF document text
  • https://aljazeerahpetroleum.ae/userfiles/files/suferinevolif.pdfIn PDF document text
  • http://ranaghatpchsschool.org/userfiles/file/milukakederusuxenumumod.pdfIn PDF document text
  • http://www.cpnatacao.pt/backoffice/ckfinder/userfiles/files/41134003441.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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