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.
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• 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://shian-jin.com/UserFiles/files/vikifolukukomalisikefun.pdf In PDF document text

  • http://jvcc.cn/ckfinder/userfiles/files/210930092222280342n6ka8.pdfIn PDF document text
  • https://ezastupitelstvo.sk/editor_uploads/system/files/35693130400.pdfIn PDF document text
  • https://karatenarrewarren.com.au/ckfinder/userfiles/files/59415717683.pdfIn PDF document text
  • http://dossalas.com/wp-content/plugins/super-forms/uploads/php/files/8f0412acc472459fae40794351653813/pojul.pdfIn PDF document text
  • https://www.lowdoc-loans.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1616e6f83e2820---dujewirom.pdfIn PDF document text
  • http://bajcsidavidfoto.com/_user/file/16875130144.pdfIn PDF document text
  • http://dichvutot99.com/webroot/img/files/98788702978.pdfIn PDF document text
  • https://ppntassone.it/dati/upload/file/51753265200.pdfIn PDF document text
  • http://jessie.vn/images/ckeditor/files/957599996.pdfIn PDF document text
  • https://noddy.nu/images/file/230923997.pdfIn PDF document text
  • https://www.sacproblemleri.com/wp-content/plugins/formcraft/file-upload/server/content/files/161482c0a6d095---xekojutakezanego.pdfIn PDF document text
  • http://joesservicecenternj.com/userfiles/files/wibujabifolusitidi.pdfIn PDF document text
  • http://poslovniimenik.net/firme_data/files/33756120105.pdfIn PDF document text
  • http://fantalife.nl/userfiles/file/nixasarazuzosi.pdfIn PDF document text
  • http://dighakanchaninternational.com/FCKeditor/file/96728773245.pdfIn PDF document text
  • https://ww150001.linebot.net/upfile/files/20210914122153.pdfIn PDF document text
  • http://limpiasol.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131f2ce1f714---jumobabigobimiwagewuxakuv.pdfIn PDF document text
  • http://dekoblickfang.de/userfiles/file/dutigapabixif.pdfIn PDF document text
  • https://victory-agency.com/wp-content/plugins/formcraft/file-upload/server/content/files/16177062b825a6---15192361638.pdfIn PDF document text
  • https://www.yoursurveysurveyors.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1614a1c65256f1---22256550366.pdfIn PDF document text
  • https://emenu.hu/editor_up/85529326493.pdfIn PDF document text
  • http://feedproxy.google.com/~r/MbOu/~3/Z3ufxtS7Wvw/uplcv?utm_term=borders+by+thomas+king+questions+and+answersPDF link annotation
  • https://b2cdemo.tickets.com/content/files/zorusawozatugipi.pdfIn PDF document text
  • 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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