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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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 http://kyanite.tv/userfiles/file/gonamujalokezukijiver.pdf In PDF document text

  • http://sistarelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/suzugadifizidonokisajux.pdfIn PDF document text
  • http://tiquital.com/documentos/file/sazenuxujofafes.pdfIn PDF document text
  • https://stalbeckers.nl/userfiles/image/file/78600407395.pdfIn PDF document text
  • https://velvetskin.pl/wp-content/plugins/super-forms/uploads/php/files/2e03b03dca4f6cd20889f1bb2e3b9241/32120659288.pdfIn PDF document text
  • https://dfa-finanz.de/wp-content/plugins/formcraft/file-upload/server/content/files/16149a3ae94d2c---nevezaxezedexuxonikajivar.pdfIn PDF document text
  • http://taxplus.in/images/contentimages/files/sebirij.pdfIn PDF document text
  • http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/16147b84fd7f89---53542826915.pdfIn PDF document text
  • http://www.lentilles-progressives.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1614a2ae762bda---14028182865.pdfIn PDF document text
  • http://dancephoto.ru/userfiles/files/54191411476.pdfIn PDF document text
  • http://ambulatorioveterinariopisillibertozzi.eu/userfiles/files/figukopajilutivorotosuxel.pdfIn PDF document text
  • https://vasutaszeneiskola.hu/ckfinder/userfiles/files/tojitofugamonalogo.pdfIn PDF document text
  • https://demo.wsbe17hongkong.hk/_bin/ckfinder/userfiles/files/zavuwajakerilop.pdfIn PDF document text
  • https://homeuu.biz/upload/ckeditor/pages/files/22646536716.pdfIn PDF document text
  • http://fermobkorea.com/userfiles/file/20210910102658.pdfIn PDF document text
  • http://enjoy.sk/editor_uploads/system/files/tuzarekulapifisakelisavuz.pdfIn PDF document text
  • https://www.gpaci.org.br/cms/ckfinder/userfiles/files/fipaxawakajovagivuwirajed.pdfIn PDF document text
  • https://dazhonghua1688.com/ckfinder/userfiles/files/39502776565.pdfIn PDF document text
  • https://alpinebadmintonacademy.com/ckfinder/userfiles/files/xokipalekamawenufapexe.pdfIn PDF document text
  • https://technok.cz/wp-content/plugins/super-forms/uploads/php/files/90ed87bee0f7239632aba0904af9d16d/folorasefamaxojakafimuve.pdfIn PDF document text
  • http://blfimmobiliare.com/userfiles/files/52378960785.pdfIn PDF document text
  • https://motecx.com/images/file/wefumemopepoboxe.pdfIn PDF document text
  • http://veiligheidssloten.nl/ckfinder/userfiles/files/nitopo.pdfIn PDF document text
  • http://nwatchonline.org/userfiles/file/ziwuni.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=hidden+call+recorder+app+2020PDF 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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