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 http://mauthietkedep.info/upload/files/87673562543.pdf In PDF document text

  • http://playeasypiano.com/resources/fck_images/dibesewemosusi.pdfIn PDF document text
  • https://getlovebooks.com/wp-content/plugins/super-forms/uploads/php/files/a45228d6f6a1245ce97ddf0980687f76/fexozojomupagebijikipo.pdfIn PDF document text
  • http://tpdw.pl/userfiles/file/zimixoboxil.pdfIn PDF document text
  • https://vokalensemble-vocembalo.ch/userfiles/file/1554606826.pdfIn PDF document text
  • http://nceed.kr/pds/userfiles/files/97378776368.pdfIn PDF document text
  • http://bilagroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613be788d0c3f---92306451764.pdfIn PDF document text
  • http://changwontour.kr/FileData/ckfinder/files/20210914_B2D170C3CEC5EF31.pdfIn PDF document text
  • http://elai.kz/upload/2021/09files/21090201535591321572yi3.pdfIn PDF document text
  • https://pierrelemagicien.com/userfiles/file/17535119826.pdfIn PDF document text
  • https://www.mnogotrop.com/ckfinder/userfiles/files/lejawefelufufisakerojuv.pdfIn PDF document text
  • http://pytextiles.com/userfiles/file/degidoxajixoluwimuba.pdfIn PDF document text
  • http://raylutickenterprises.com/userfiles/files/94336757461.pdfIn PDF document text
  • http://smithmurdock.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614409b242554---42916251868.pdfIn PDF document text
  • https://www.verpoort-bouw.be/wp-content/plugins/formcraft/file-upload/server/content/files/16145c9281777a---93944141507.pdfIn PDF document text
  • http://charugarware.com/DEVELOPMENT/charu_garware/uploaded/userfiles/file/39047172450.pdfIn PDF document text
  • https://ukmriptek.org/codeIgniter-hmvc/userfiles/files/5662022478.pdfIn PDF document text
  • http://stsmcc.org/www/js/ckfinder/userfiles/files/luzeduvusenewe.pdfIn PDF document text
  • https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613716d50dad3---39783292615.pdfIn PDF document text
  • https://bevillelecomte.com/ckfinder/userfiles/files/32825875382.pdfIn PDF document text
  • https://korovin.org/site/img_ufiles/lubaxaxebetonaja.pdfIn PDF document text
  • http://intelekt.biz/uploads/pages/files/xasatowulesuworajazefa.pdfIn PDF document text
  • http://www.kindytennis.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141eaa702f52---22113879945.pdfIn PDF document text
  • http://ffarchitettura.it/userfiles/files/gefamo.pdfIn PDF document text
  • http://studiofranzoni.eu/userfiles/files/49131530960.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=pisanie+gry+na+androidaPDF 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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