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://oniceh.ru/uplcv?utm_term=essentials+of+abnormal+psychology+in+a+changing+world+pdf PDF link annotation

  • https://leicht-spb.ru/wp-content/plugins/super-forms/uploads/php/files/4158cb92e6c91e9f12b356b62047528f/18851725478.pdfIn PDF document text
  • https://dolnoslaskialarmsmogowy.pl/imgturysta/files/24057623035.pdfIn PDF document text
  • https://mediabandit.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137db609b989---95469697639.pdfIn PDF document text
  • http://gibkrakow.pl/uploads/files/16857479079.pdfIn PDF document text
  • http://brodart01.com/wp-content/plugins/super-forms/uploads/php/files/g9nbm7mp1b6dohn43g9i8i4d3m/13858464280.pdfIn PDF document text
  • http://chapaconoticias.com/assets/ckfinder/core/connector/php/uploads/files/xajigakafo.pdfIn PDF document text
  • https://pgprojekt.pl/Upload/file/3701084879.pdfIn PDF document text
  • https://www.emcp-pmce.ca/_includes/ckfinder/userfiles/files/lumejapubamuvulo.pdfIn PDF document text
  • http://motolargo.pl/userfiles/file/51552784415.pdfIn PDF document text
  • http://boothbayharborshipyard.com/userfiles/file/19872600662.pdfIn PDF document text
  • http://staresecurity.com/userfiles/file/bisirawivajixose.pdfIn PDF document text
  • http://akekaluck.com/ckfinder/userfiles/files/21325058930.pdfIn PDF document text
  • https://peisheng.org/uploads/ckfiles/files/6136f18cc688c.pdfIn PDF document text
  • http://viacaosaopedro.com/www/js/ckfinder/userfiles/files/vutomuxalitijovabitoxi.pdfIn PDF document text
  • http://rrbrentacars.com/files/others/98495810920.pdfIn PDF document text
  • https://thuaphatlaihanoi.net/uploads/files/sisatalulasejifazan.pdfIn PDF document text
  • http://www.webtony.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1612f95a25b461---kudonisolitaluzamid.pdfIn PDF document text
  • https://iamluno.com/wp-content/plugins/formcraft/file-upload/server/content/files/161377c4fddc14---45194665761.pdfIn PDF document text
  • http://abwsalisbury.com/uploads/files/41989926645.pdfIn PDF document text
  • http://garankuccu.com/upload/fckimagesfile/d44e8499b1e38b0f82c69013f341412e.pdfIn PDF document text
  • https://securitydm.com/slicice/file/vewezugokorujovabe.pdfIn PDF document text
  • https://fratellifurloni.it/file/17277472796.pdfIn PDF document text
  • https://chongtham68.com/app/webroot/uploads/files/83254891717.pdfIn PDF document text
  • https://wholisticvibrations.com/wp-content/plugins/super-forms/uploads/php/files/0e6f850be4cb0e281844b6917cd4ee76/gufeke.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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