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 http://www.sempresaude.net/wp-content/plugins/formcraft/file-upload/server/content/files/1606d119f55ea2---65330848154.pdf In PDF document text

  • http://gocchame.vn/app/webroot/img/uploads/files/30063322280.pdfIn PDF document text
  • https://glearningsolutions.com/userfiles/files/dojuz.pdfIn PDF document text
  • http://teplorium.su/userfiles/file/tuwal.pdfIn PDF document text
  • http://birons.net/wp-content/plugins/super-forms/uploads/php/files/e1d8932a1a85a912c7e151985275be8b/15626578293.pdfIn PDF document text
  • http://www.luminicaambiental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a19468bda08---85565346374.pdfIn PDF document text
  • http://autokolcsonzoszolnok.hu/admin/fck_upload/file/jexalizizewepiv.pdfIn PDF document text
  • http://oresteruggiero.com/userfiles/files/kimifinonuwuti.pdfIn PDF document text
  • http://krevue.cz/UserFiles/File/57352157361.pdfIn PDF document text
  • https://serwisnawigacji.pl/userfiles/file/89464056613.pdfIn PDF document text
  • https://www.tai.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16094cada3ab9b---74580550616.pdfIn PDF document text
  • http://cerescommoditiesltd.com/Images_upload/files/75865353751.pdfIn PDF document text
  • http://spamsmsgiare.com/media/ftp/file/gonaluxijiv.pdfIn PDF document text
  • http://www.argentum.com/wp-content/plugins/super-forms/uploads/php/files/aeei60gdq9ohukrnja7ac71bq1/73855782953.pdfIn PDF document text
  • http://fittbikese.hu/files/file/petuxamiwuzivuginipilowu.pdfIn PDF document text
  • https://victory-agency.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607249a8481dc---bojanumej.pdfIn PDF document text
  • https://www.kngroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/160886e14969eb---wibetulijedivolopesodaso.pdfIn PDF document text
  • http://architects-desk.com/uploadsfile/bamifo.pdfIn PDF document text
  • http://www.introspekta.si/ckfinder/ckeditor_uploaded_files/files/50357570670.pdfIn PDF document text
  • https://shining4u.com/wp-content/plugins/super-forms/uploads/php/files/26b3a26ee02b9b5e7857758baed197aa/3834527803.pdfIn PDF document text
  • https://gpuhub.net/wp-content/plugins/super-forms/uploads/php/files/6stkh3jvq4amt14k31p8j4gnrh/2957200847.pdfIn PDF document text
  • https://deltagroup.bg/uploads/file/33754095770.pdfIn PDF document text
  • https://robertmatzuzi-massagetherapist.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1606efce9925a3---40558576424.pdfIn PDF document text
  • http://dok-vo.ru/userfiles/file/zojotisowusitexujuj.pdfIn PDF document text
  • https://thejasmineway.net/wp-content/plugins/super-forms/uploads/php/files/8otbe4lha49ulueau6gkpgk9pk/tebuzataza.pdfIn PDF document text
  • http://tulsacentral1963.com/clients/3/39/398188050227c7f1c8b3045a0a865105/File/kunekenodege.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=wahrscheinlichkeitsrechnung+erkl%C3%A4rung+pdfPDF link annotation
  • 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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