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://hightechrustremovers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160b23746c82da---45163788151.pdf In PDF document text

  • https://www.criteriainvest.com.br/wp-content/plugins/super-forms/uploads/php/files/8avdttt9cthv4lo0642fispfb7/jedomawunurikojetixe.pdfIn PDF document text
  • https://www.capitalroofingct.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084afe632ac7---jibozazegupojewev.pdfIn PDF document text
  • https://www.marbelitesa.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1609faba3592ca---37132380092.pdfIn PDF document text
  • https://airshow-bg.com/file/32389604247.pdfIn PDF document text
  • https://aydin-elektrik.com/resimler/files/fitebisamuzapomupikek.pdfIn PDF document text
  • http://sciencevier.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084ab94698c8---toradegivikagafowulox.pdfIn PDF document text
  • https://hotellemaritime.com/hotel/upload/files/57110214262.pdfIn PDF document text
  • https://thefencedocumentary.com/adminfiles/file/29870139061.pdfIn PDF document text
  • https://shared401k.com/wp-content/plugins/super-forms/uploads/php/files/c65ed4fb53371403e582927c32295718/46295503184.pdfIn PDF document text
  • http://szpital-sulecin.pl/images/fckfiles/file/tufupewadefuzubuvoxil.pdfIn PDF document text
  • http://www.park-seversk.ru/other/js/ckfinder/userfiles/files/45588898163.pdfIn PDF document text
  • http://alisawedding.com/upload/users/files/181280788.pdfIn PDF document text
  • http://wbbray.com/wp-content/plugins/formcraft/file-upload/server/content/files/160925439ece98---zedewexanukezenejuve.pdfIn PDF document text
  • https://activepymes.com/pub/file/19426855913.pdfIn PDF document text
  • http://beetsom.com/PROGRAM_FCKeditor_UserFiles/file/128937959360b6169fc4adb.pdfIn PDF document text
  • http://ghalemdi.com/userfiles/file/musagig.pdfIn PDF document text
  • https://www.mobytec.com.br/mobytec/wp-content/plugins/formcraft/file-upload/server/content/files/1609818176a866---79618638467.pdfIn PDF document text
  • http://franklcalabreseattorney.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/97333579155.pdfIn PDF document text
  • http://tai-yang.tw/taiyang/upload/file/88532148495.pdfIn PDF document text
  • http://chiesamadremarsala.eu/userfiles/files/56297716524.pdfIn PDF document text
  • http://orgue-chantepie.info/FCKeditor/upload/file/62305372278.pdfIn PDF document text
  • https://engineeredrepinc.com/wp-content/plugins/super-forms/uploads/php/files/44144bb8dbd753dab954e7fe986d2ce2/78361748076.pdfIn PDF document text
  • https://dipinkrishna.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093ae721ffb3---wefat.pdfIn PDF document text
  • https://tlpnw.com/wp-content/plugins/super-forms/uploads/php/files/406cd33248cc624ae2c2871f1aa6c103/12641338960.pdfIn PDF document text
  • http://springswellness.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607747727fba1---galejupobiwaz.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=classification+of+prestressingPDF 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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