Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://pixomot.ru/uplcv?utm_term=online+casino+australia+no+deposit+bonus+2020 PDF link annotation

  • http://victorylimo1.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613fa85d4ef58---benunagewebonixox.pdfIn PDF document text
  • http://telektrans.hu/editor_up/mutosuso.pdfIn PDF document text
  • https://rubfila.in/files/file/47860166716.pdfIn PDF document text
  • https://maintogelonline2.bet/contents/files/xilujupunorexozegasi.pdfIn PDF document text
  • https://grupa-energia.pl/attachments/file/gavafenebudunafa.pdfIn PDF document text
  • https://fitnessrev.net/wp-content/plugins/super-forms/uploads/php/files/jcivs3d8r8l2o8hugcjeafrbg5/nobubo.pdfIn PDF document text
  • http://www.sparkprototypes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614ba5068cced---31049711921.pdfIn PDF document text
  • http://www.stockholmswingallstars.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d69a5b043c---4185936920.pdfIn PDF document text
  • http://rm-centr.ru/uploads/file/65585280924.pdfIn PDF document text
  • http://battlegrouponline.com/app/webroot/js/ckfinder/userfiles/files/wajemilenu.pdfIn PDF document text
  • https://finliz.lt/i/File/vodezoxiris.pdfIn PDF document text
  • https://art4you.sk/editor_uploads/system/files/dokubujazakupijifow.pdfIn PDF document text
  • http://worldsocialistpartyindia.org/ckfinder/userfiles/files/tepukek.pdfIn PDF document text
  • http://nurugelexport.com/ckfinder/userfiles/files/51459809193.pdfIn PDF document text
  • http://brukbet.com/user_images/file/doxodiwawipakaxo.pdfIn PDF document text
  • http://blesk-stroy.ru/userfiles/files/72330987200.pdfIn PDF document text
  • https://ruiguoex.com/upfile/files/2021/09/14/jewijugibezixagamos.pdfIn PDF document text
  • https://istanbulbalbir.com/upload/ckfinder/files/8752470788.pdfIn PDF document text
  • http://realfootball.gr/userfiles/file/36866684433.pdfIn PDF document text
  • https://www.elektrobetrieb-scholz.de/wp-content/plugins/formcraft/file-upload/server/content/files/1614a369895d36---19078861278.pdfIn PDF document text
  • http://polyacer-ecp.com/userfiles/files/20210915_091755.pdfIn PDF document text
  • https://suhrsmad.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16134093429f35---pilobiwozowikarawukarolu.pdfIn PDF document text
  • https://adtw1.com/ckfinder/userfiles/files/fodawebejisaxuxifojafejo.pdfIn PDF document text
  • https://www.intermediastudios.com.mx/wp-content/plugins/super-forms/uploads/php/files/09d024827d12780f2b8b3ac71a9b8955/37046841461.pdfIn PDF document text
  • https://cafesca.info/ckfinder/userfiles/files/veboguwud.pdfIn PDF document text
  • https://shibbirs.com/media/files/36222132225.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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