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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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=muebles+para+oficina+pdf PDF link annotation

  • http://peter-scherer.de/userfiles/file/wamef.pdfIn PDF document text
  • https://swift-tw.com/lcc/upload/files/59353719412.pdfIn PDF document text
  • http://chieucoingason.vn/files/41507312649.pdfIn PDF document text
  • http://saiprogetti.net/userfiles/files/wofudeninusopetenogof.pdfIn PDF document text
  • https://clarkfamilybuilders.com/home/clark/public_html/ckfinder/userfiles/files/lopofizilan.pdfIn PDF document text
  • http://ck-buhgalter.ru/userfiles/file/16689802484.pdfIn PDF document text
  • http://leebyunghun.org/new/upload/board/files/wibovumajolesisemi.pdfIn PDF document text
  • http://magdrywall.com/project-new/christianbook/upload_images/file/67483894342.pdfIn PDF document text
  • https://nuregio.de/wp-content/plugins/formcraft/file-upload/server/content/files/161377bcec87de---13742491832.pdfIn PDF document text
  • http://singer-island-condos.com/userfiles/files/98608509136.pdfIn PDF document text
  • https://xlux.vn/wp-content/plugins/super-forms/uploads/php/files/r1admgruvlk78485loln89r8nf/63493523742.pdfIn PDF document text
  • http://neo-net.info/giganet/files/file/39989367467.pdfIn PDF document text
  • https://hps-gruppe.com/wp-content/plugins/super-forms/uploads/php/files/hv3mh5jsmn5ube85ramdirndog/57951605517.pdfIn PDF document text
  • https://studiogreenwich.ru/wp-content/plugins/super-forms/uploads/php/files/dc21c0420711c41fda5e442134a78937/16301356941.pdfIn PDF document text
  • http://branonperformance.com/ckfinder/userfiles/files/bobujadatopedodegoxonubew.pdfIn PDF document text
  • https://boucherienabli.com/uploads/FCK_files/file/2551113945.pdfIn PDF document text
  • http://perlawarmii.pl/userfiles/file/bebepiravukiroguvaje.pdfIn PDF document text
  • http://www.jacenter.org/js/ckfinder/userfiles/files/42042309029.pdfIn PDF document text
  • http://miet-boot.ch/images/uploadedimages/file/dumibafejutova.pdfIn PDF document text
  • http://kahounova.cz/userfiles/file/70715288152.pdfIn PDF document text
  • http://restravel.ru/ckfinder/userfiles/files/95053478674.pdfIn PDF document text
  • https://vmkstroi.ru/wp-content/plugins/super-forms/uploads/php/files/5c67299daa5d620cf1d7e703966537b9/56395628844.pdfIn PDF document text
  • http://www.fotografoeventimilano.com/wp-content/plugins/formcraft/file-upload/server/content/files/161302f80646eb---kawolefiwiriwut.pdfIn PDF document text
  • http://pogologistics.com/ckfinder/userfiles/files/bologimikezu.pdfIn PDF document text
  • http://snuhonors.com/userfiles/file/70095859458.pdfIn PDF document text
  • https://doitsolutions.co/wp-content/plugins/super-forms/uploads/php/files/2193e3fcc7c3b4a6d68df2f6b62c97c2/67909245725.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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