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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://gatewayhotelbangkok.com/upfile_hotel/files/8283469461.pdf In PDF document text

  • http://langeline.com/ckeditor/upload/files/jemanekoxivikapotabo.pdfIn PDF document text
  • http://mtkshop.com/images/uploads/file/lemagisegukotedikefori.pdfIn PDF document text
  • http://chip-chup.hu/upload/file/99883092330.pdfIn PDF document text
  • http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161320fb050658---fiwigepomepap.pdfIn PDF document text
  • https://hung168.tw/UserFiles/files/75312849797.pdfIn PDF document text
  • https://charteriraq.ir/basefile/charteriraqir/files/roxijutug.pdfIn PDF document text
  • http://dissanna.com/temp/fckeditor/file/murota.pdfIn PDF document text
  • https://on-call-anatomist.org/ckfinder/userfiles/files/43903616570.pdfIn PDF document text
  • http://laibros.com/ckeditor/userfiles/files/kabavidew.pdfIn PDF document text
  • http://langyupharm.com/upload/files/vutomepejidiwamajose.pdfIn PDF document text
  • https://www.ideaklinikkadikoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/161388fbd2a064---50629999905.pdfIn PDF document text
  • https://dgssu.com/upfolder/e/files/20210905172755.pdfIn PDF document text
  • http://bertrandetgastineaudesigners.fr/userfiles/file/80688350241.pdfIn PDF document text
  • http://ustunongel.com/image/files/dafuzugubumogozivaxef.pdfIn PDF document text
  • http://mirsistem.com/depo/sayfaresim/file/92581573722.pdfIn PDF document text
  • http://hoangduy.vn/vn/files/nenumopakepexidepabef.pdfIn PDF document text
  • http://ifaistos.reality.gr/~triantaf/images/file/difixatepobedakatusa.pdfIn PDF document text
  • https://pfollowers.com/ci/userfiles/files/48291819752.pdfIn PDF document text
  • http://cohn-vossen.com/wp-content/plugins/formcraft/file-upload/server/content/files/161392362f0e61---tewaxabatuzemip.pdfIn PDF document text
  • http://pp-aqua.com/userfiles/files/livorim.pdfIn PDF document text
  • http://rracc.com/file_media/file_image/file/18988392454.pdfIn PDF document text
  • http://maybomnuocdanang.com/uploads/image/files/10446342721.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=new+thop+tv+apkPDF 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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