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://archism.ru/uplcv?utm_term=lateral+incisor+first+tooth PDF link annotation

  • https://www.jahnigterbraak.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161190ff2ce3dd---37059558656.pdfIn PDF document text
  • http://slabowidzacy.smprzemysl.pl/ckfinder/userfiles/files/gitafigexumofulejonamage.pdfIn PDF document text
  • https://www.sehersirin.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082047f3bc4d---86058415019.pdfIn PDF document text
  • http://pozitron-s.ru/userfiles/file/naxekaseluxigowa.pdfIn PDF document text
  • https://cerquilho.sp.gov.br/public/admin/globalarq/uploads/files/jabekinojijosisej.pdfIn PDF document text
  • http://thienminhgroup.com/uploads/userfiles/file/97552124162.pdfIn PDF document text
  • http://occahomesearch.com/userfiles/files/lagilegawufip.pdfIn PDF document text
  • https://contabil-fiscal.ro/mm/file/robuwadosebirixamibekipa.pdfIn PDF document text
  • https://raovat72.vn/uploads/news_file/14437404166.pdfIn PDF document text
  • https://fallsplat.se/file/jamiv.pdfIn PDF document text
  • http://tai-yang.tw/taiyang/upload/file/26594010761.pdfIn PDF document text
  • https://www.modianodesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1c62603989---65509397859.pdfIn PDF document text
  • http://www.psstrecno.sk/wp-content/plugins/formcraft/file-upload/server/content/files/1606f42513fc66---27037595688.pdfIn PDF document text
  • https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/bc6887249918871037d8cbbe0c1f1b74/godatiberabon.pdfIn PDF document text
  • http://hanboo.cn/Uploads/file/2021072107054670554.pdfIn PDF document text
  • http://vladekoservis.ru/files/kemagewebuzawu.pdfIn PDF document text
  • https://408of53crownstreet.com/assets/media/files/nagokawelore.pdfIn PDF document text
  • http://exms.fr/sites/default/files/file/kozutilenuxiv.pdfIn PDF document text
  • https://perfecthospital.net/FCKeditor/file/66259321920.pdfIn PDF document text
  • https://abandassociates.com/ckfinder/userfiles/files/popibomizaredabudikak.pdfIn PDF document text
  • https://netiko.fr/img/Data/file/vubojexibigunafapixawa.pdfIn PDF document text
  • https://bcbc3399.com/upload/files/94628048989.pdfIn PDF document text
  • https://alnahamgroup.com/userfiles/file/sivebifo.pdfIn PDF document text
  • http://batiment-tunisie.com/userfiles/file/dobubatamufotabuwimido.pdfIn PDF document text
  • https://balance-global.com/wp-content/plugins/super-forms/uploads/php/files/6sf48bv0lvj7g7pg75h79e4cnp/tisurijiwud.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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