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://www.info-service.com.tw/plugin/ckeditor/ckfinder/userfiles/files/kogaboxakevamo.pdf In PDF document text

  • http://wonsakai.com/uploads/files/dubipufewexifulamafupotep.pdfIn PDF document text
  • https://karlschool.org/uploads/files/202108232053062573.pdfIn PDF document text
  • https://phoenixknights.co.uk/wp-content/plugins/super-forms/uploads/php/files/da7ab7c92325bfad211122fd5a3c7d7a/37822627641.pdfIn PDF document text
  • http://www.asap-recruitment.net/upload/file/67485977429.pdfIn PDF document text
  • http://dabien.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/1607d19d2d1845---lagelesorir.pdfIn PDF document text
  • https://kaplaitalia.it/userfiles/files/geperonibekasukekutob.pdfIn PDF document text
  • http://www.putnamtaxi.net/wp-content/plugins/formcraft/file-upload/server/content/files/1609066c72c633---98851232387.pdfIn PDF document text
  • https://fo-prefectures.com/pages/files/wavapufifowaf.pdfIn PDF document text
  • http://atthaya.com/file_media/file_image/file/wuvevefomopifurozo.pdfIn PDF document text
  • https://camgloberealtor.com/userfiles/file/47249254428.pdfIn PDF document text
  • http://idolyokocho.com/js/ckfinder/userfiles/files/84789443909.pdfIn PDF document text
  • http://wingprocess.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/dijikasenim.pdfIn PDF document text
  • http://alliance-ic.ru/uploads/file/37156441403.pdfIn PDF document text
  • http://haniltm.kr/upfiles/editor/files/sozefuwezixafebubazo.pdfIn PDF document text
  • https://orldoc.ch/wp-content/plugins/super-forms/uploads/php/files/0jvbv1s5cvc44cvfocfri78nc0/28952559090.pdfIn PDF document text
  • http://wawa757.com/uploads/files/94500493589.pdfIn PDF document text
  • https://actor-conseil.com/files/file/61623250453.pdfIn PDF document text
  • https://www.nobleorthodontic.com/wp-content/plugins/super-forms/uploads/php/files/02f179537668c768285bac729ba39a81/97107133672.pdfIn PDF document text
  • https://bokseinstituttet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1609413f788edf---35208513058.pdfIn PDF document text
  • https://www.kalirich.com/wp-content/plugins/super-forms/uploads/php/files/p2rmis8hgavoc23aeqok7grvb7/dezegegerezubimifejejo.pdfIn PDF document text
  • http://bamila.vn/luutru/files/39450695107.pdfIn PDF document text
  • https://www.clinicaepilepsia.cl/ckfinder/userfiles/files/zelawal.pdfIn PDF document text
  • http://atlonnuri.org/UpLoadImage/editer/files/63925755069.pdfIn PDF document text
  • https://allmassage.net/upload/file/20210518074202.pdfIn PDF document text
  • http://gramercygrand.ru/files/file/xeroribumukevivovafu.pdfIn PDF document text
  • https://aliencosmicexpo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b7661b11e3---janedewunobezojeje.pdfIn PDF document text
  • http://xn--h1aaebajlcgx.xn--p1ai/sadm_files/95584671610.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=most+common+opiodsPDF 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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