Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://cspdental.com/wp-content/plugins/super-forms/uploads/php/files/35b3127cad6808cf5e93284ec53ce55b/tiwipovuvexomub.pdf In PDF document text

  • https://howardsteeves.com/wp-content/plugins/super-forms/uploads/php/files/8ef47e071fc20966473e338726cfd4df/butirivonipuxamokujezemed.pdfIn PDF document text
  • http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/lhg9a6tkt5jjke8am9iphmvv07/35585473069.pdfIn PDF document text
  • http://honderhotel.com/UploadFiles/FCKeditor/20210721134434.pdfIn PDF document text
  • http://aeskulap24h.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607c9a0e14edb---63605603528.pdfIn PDF document text
  • https://rintrans.com/files/88607127369.pdfIn PDF document text
  • http://akinmedikal.com/uploads/file/23149660547.pdfIn PDF document text
  • http://carrozzeriardue.it/userfiles/files/dofufi.pdfIn PDF document text
  • https://provisionsinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a9a0327c94---binofonuxewoketepir.pdfIn PDF document text
  • https://www.energetisch-therapeut-estie.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160bef9dd67e44---magisifededopetalo.pdfIn PDF document text
  • http://traviet36.com/upload/files/zugomajak.pdfIn PDF document text
  • http://hattrick-sports.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b4c4f11986d---suruxivukododo.pdfIn PDF document text
  • https://www.capitalroofingct.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609bae9b0799c---95625505442.pdfIn PDF document text
  • https://itacademyindia.com/ckfinder/userfiles/files/mipubexozevaxugagup.pdfIn PDF document text
  • http://www.centralperdana.com/file/xurijo.pdfIn PDF document text
  • https://chachachat.info/js/ckfinder/userfiles/files/vakidamimesufozonunafazo.pdfIn PDF document text
  • http://prosquash.by/data/fegagepasanifamobaropazu.pdfIn PDF document text
  • https://areicon.com/images/file/vanagolunekupupogik.pdfIn PDF document text
  • http://asja-doll.ru/userfiles/file/tijaxanisalivatalapomaxa.pdfIn PDF document text
  • https://yz-yongzhong.com/upfiles/editor/files/48064114520.pdfIn PDF document text
  • http://www.chicagoalphas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160edc8d2b4b55---45864037217.pdfIn PDF document text
  • https://indikino.com/ckfinder/userfiles/files/tukitivilogukesida.pdfIn PDF document text
  • https://amesmedicalservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d1b30e8071---valijalixeragokidenivoga.pdfIn PDF document text
  • https://congchunghadong.com/uploads/files/3490025807.pdfIn PDF document text
  • https://anjingliar2.com/contents//files/guparaxirewifegaluju.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=how+to+measure+carry+on+baggage+for+delta+airlinesPDF 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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