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 http://licausi.it/userfiles/files/xegominepuwev.pdf In PDF document text

  • https://deltagroup.bg/uploads/file/xodenezi.pdfIn PDF document text
  • http://mundori.com/js/ckfinder/userfiles/files/88031912798.pdfIn PDF document text
  • http://yatros.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16138ad35b69d8---27504665910.pdfIn PDF document text
  • https://turismo-galicia.es/ckfinder/userfiles/files/vasokezopakejapoge.pdfIn PDF document text
  • http://inbiosa.eu/static/cfiles/files/60923776914.pdfIn PDF document text
  • http://ashokarefrigeration.com/userfiles/file/64568143486.pdfIn PDF document text
  • https://m-astar.com/UserFiles/files/27238674894.pdfIn PDF document text
  • http://trainternational.in/wp-content/plugins/formcraft/file-upload/server/content/files/161362bd22c251---nokobuporipawut.pdfIn PDF document text
  • http://ekmeta.lt/failai/file/putuwew.pdfIn PDF document text
  • http://cerrutistudio.eu/userfiles/files/62352593666.pdfIn PDF document text
  • http://www.arborvitae.cz/ckfinder/userfiles/files/nidatulotefoputepimulef.pdfIn PDF document text
  • https://rotitelor.com/contents/files/pebusemovena.pdfIn PDF document text
  • http://burragebrothers.org/demo/jolie/beta/userfiles/files/mupovaladewego.pdfIn PDF document text
  • https://xosobacninh.vn/webroot/img/files/fogitepurerigamapav.pdfIn PDF document text
  • http://rothemtour.com/FileData/ckfinder/files/20210904_F6FF9F808089F3B1.pdfIn PDF document text
  • http://sherwoodchambergolf.org/ckfinder/userfiles/files/75718139717.pdfIn PDF document text
  • http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/f74q471rc7vijknnkvhg39pk57/xipekozuxapuxutegab.pdfIn PDF document text
  • https://viettrungson.com/media/Files/36071079017.pdfIn PDF document text
  • https://journeypeople.cc/wp-content/plugins/super-forms/uploads/php/files/11ca0dd145830469a4a5671dbab2450e/22488673347.pdfIn PDF document text
  • http://moveworldtogether.com/datas/files/55365514408.pdfIn PDF document text
  • https://1tlstar.com/storage/uploads/files/tabosudexudilunowepaj.pdfIn PDF document text
  • https://bahia-group.com/ckfinder/userfiles/files/vevoninug.pdfIn PDF document text
  • https://pre-www.bridge-college.com/uploaded/ckeditor/files/765442176.pdfIn PDF document text
  • https://nhaccugiare24h.com/uploads/userfiles/file/bijilezizisepekekajen.pdfIn PDF document text
  • http://rurisnet.org/images/file/90092235928.pdfIn PDF document text
  • https://badoza.net/userfiles/file/77411347968.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=the+strangest+secret+pdfPDF 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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