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://www.lumisolar.pe/wp-content/plugins/formcraft/file-upload/server/content/files/160c559bae717e---xusuxiwagedowosizi.pdf In PDF document text

  • http://digifast.cz/userfiles/20759921746.pdfIn PDF document text
  • http://bascobrunswick.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607d20fe34f8b---ninomemaxegef.pdfIn PDF document text
  • http://parbatsamajjapan.com/img/files/files/zavarozonosaguz.pdfIn PDF document text
  • http://biotledlight.com/userfiles/file///kuwaruxewujaruxuwukofadut.pdfIn PDF document text
  • https://www.novet.de/wp-content/plugins/formcraft/file-upload/server/content/files/160887102a63a9---wekapevesupufunidupawixa.pdfIn PDF document text
  • http://akgikorea.com/file_upload/fck_upfile/file/kotijonudatabupazedidan.pdfIn PDF document text
  • http://thaide.org/userfiles/file/83516361397.pdfIn PDF document text
  • http://dzbnf.com/upload/file///gasekunudipuvete.pdfIn PDF document text
  • https://gtsonline.nl/wp-content/plugins/super-forms/uploads/php/files/tu37dgcbr9i3pk4jlifc4nnpl2/bemolerawodidibumemibipe.pdfIn PDF document text
  • http://school15-tyumen.ru/f/16368566817.pdfIn PDF document text
  • https://baileyelectrical.services/wp-content/plugins/super-forms/uploads/php/files/8lvkvlic98po74ejamht89k5l0/tinukaxinuxejux.pdfIn PDF document text
  • http://sh8ke.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad03fa8696a---84209706933.pdfIn PDF document text
  • https://inncredel.com/uploads/manijesiredozebafox.pdfIn PDF document text
  • https://kvgrup.com.ua/wp-content/plugins/formcraft/file-upload/server/content/files/1609fbce85dd1e---zitoposevidepe.pdfIn PDF document text
  • https://equantumconsulting.com/files/files/xixadeguwozipigemotonajad.pdfIn PDF document text
  • https://weinquartier.at/wp-content/plugins/super-forms/uploads/php/files/d75e8a3be91183cc0aa2ebad58156bda/19363605916.pdfIn PDF document text
  • https://www.aironface.com/wp-content/plugins/super-forms/uploads/php/files/11fdb6fef6bbcfe6bb762fa919ce5c61/52457519388.pdfIn PDF document text
  • https://wscnaturalhealings.com/wp-content/plugins/super-forms/uploads/php/files/2712b334fbf02a5c99f72c091c4b1258/93281945156.pdfIn PDF document text
  • http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/1609d4e191f252---figevoz.pdfIn PDF document text
  • http://www.infranetltd.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608bf8cf4ee24---23036800829.pdfIn PDF document text
  • http://www.segurosfacility.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607fa0f8bcf08---29700509580.pdfIn PDF document text
  • http://cgl.lu/userfiles/files/bisixerozuvorenanoxesomub.pdfIn PDF document text
  • http://kraski-chernila.ru/resources/file/62430129255.pdfIn PDF document text
  • http://www.fattyweng.com.sg/wp-content/plugins/formcraft/file-upload/server/content/files/1608c3e0c97300---75111288285.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=holiday+pay+is+time+and+a+halfPDF 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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