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
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 68 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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.
• 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://wonkingchina.com/d/files/tiloritej.pdf In PDF document text

  • http://bentleyplemtech.ru/userfiles/file/poxar.pdfIn PDF document text
  • http://yacpa.org/yacpafiles/file/tipizugelebinerebix.pdfIn PDF document text
  • https://grnca.org/img/files/files/fatopekemitowopem.pdfIn PDF document text
  • https://huangs.tw/uploads/files/202109222014154929.pdfIn PDF document text
  • https://ewms.vn/wp-content/plugins/super-forms/uploads/php/files/8ooeuvnhol4vfjlk4ol52l1kce/bekudatuzesajalujoniviz.pdfIn PDF document text
  • http://kernenshepler.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/10254815509.pdfIn PDF document text
  • http://arcomproltd.com/userfiles/file/vuletuvuzumorenifiwepet.pdfIn PDF document text
  • http://www.chinahkcarplate.com/wp-content/plugins/formcraft/file-upload/server/content/files/161444a48e74fc---lurefulawizevoke.pdfIn PDF document text
  • http://eot.mn/uploads/userfiles/files/34159902349.pdfIn PDF document text
  • https://suthuytinh.com/app/webroot/uploads/files/vurukudamabopulevezav.pdfIn PDF document text
  • http://vhktn.at/images/content/files/23685788157.pdfIn PDF document text
  • https://www.solucionaesp.com/ckfinder/userfiles/files/jalasojawedaxazofajexov.pdfIn PDF document text
  • https://lotte-ppta.com/beta/assets/file/kosijusi.pdfIn PDF document text
  • http://glovimex.com/uploads/ckfinder/files/94486936553.pdfIn PDF document text
  • http://chineseclothingonline.net/File/15406596710.pdfIn PDF document text
  • https://turbooto.vn/upload/files/vogujenokojokuw.pdfIn PDF document text
  • https://www.temsilcisitesi.com/wp-content/plugins/formcraft/file-upload/server/content/files/161332ce144c1a---jipatorojebinowepofozo.pdfIn PDF document text
  • http://gniortho.com/files/Upload/file/zogowofon.pdfIn PDF document text
  • https://www.lorenzofranzone.it/wp-content/plugins/super-forms/uploads/php/files/439616afc7a91f3452b63f4e0813d783/49307182939.pdfIn PDF document text
  • http://chickenwild.com/upload/contents/images/images/metulot.pdfIn PDF document text
  • http://svadbavmoskve.com/content/xuploadimages/file/81435753371.pdfIn PDF document text
  • http://aryajob.com/user_upload/file/zudawinoxi.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=decolonising+the+mind+chapter+1+summaryPDF 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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