Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Fake invoice / payment lure low SE_INVOICE_LURE
  Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
• 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=riester+sphygmomanometer+user+manual PDF link annotation

  • http://bjoybrands.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b47768d4c25---63624955986.pdfIn PDF document text
  • http://cyc.cz/pictures/clanky/files/jagozi.pdfIn PDF document text
  • http://ibiforstarlight.org/clients/3/3c/3cfcca4e360ca8807b7dd7d6e7cbeae0/File/xududidati.pdfIn PDF document text
  • http://xn----7sbqwxdbhblh2h.xn--p1ai/data/file/dabax.pdfIn PDF document text
  • http://51www.org/uploadfile/file/e096279dc2037b3b9038797db998be50.pdfIn PDF document text
  • http://photographybynami.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609cf569cc539---nowoni.pdfIn PDF document text
  • http://sbhs1967.com/clients/8/89/8985ce50e7417da620f75e2af787291b/File/biziwim.pdfIn PDF document text
  • http://mardeestilos.es/fotos/file/zazadamuvaw.pdfIn PDF document text
  • https://inprovitparaguay.com/ckfinder/userfiles/files/vuzidimafusawofejakozo.pdfIn PDF document text
  • https://vpntraffic.com/upload/files/mekeserazipiwewojive.pdfIn PDF document text
  • https://hglobaltourb2c.com/FileData/ckfinder/files/20210611_7B20E3E511983BB2.pdfIn PDF document text
  • http://ahchala.com/img/file/39045533365.pdfIn PDF document text
  • http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16078e2c87fe91---gabegepiradaxoxego.pdfIn PDF document text
  • https://bbensonmft.com/wp-content/plugins/super-forms/uploads/php/files/1a1a6d994a43e7aa08ec148b8cecf0ad/48426310518.pdfIn PDF document text
  • http://yuanjen.com/ckfinder/userfiles/files/roxalaxezusesopirutax.pdfIn PDF document text
  • http://tpdw.pl/userfiles/file/regelopubijitekap.pdfIn PDF document text
  • https://299-45.com/CKEdit/upload/files/70595561892.pdfIn PDF document text
  • https://www.wikiwebagency.it/wp-content/plugins/super-forms/uploads/php/files/67d9112ce7890009677ae0d3787fe88c/gupolalazaxu.pdfIn PDF document text
  • http://henskeschildersbedrijf.nl/upload/97495078331.pdfIn PDF document text
  • http://ashole.hu/UserFiles/File/zogazopo.pdfIn PDF document text
  • http://www.sparkprototypes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a8b635de1ad---kimanuvedegiruri.pdfIn PDF document text
  • http://heldermusic.nl/ckfinder/userfiles/files/53810531054.pdfIn PDF document text
  • http://ekolojikweb.net/upld/userfiles/file/bipagurupositovusipur.pdfIn PDF document text
  • http://conwaychristian.org/wp-content/plugins/formcraft/file-upload/server/content/files/161259b704eec8---17894853646.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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