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.
• 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 https://acornschoolcharleston.org/wp-content/plugins/super-forms/uploads/php/files/948687ca4b0d14031238619eeae7bb3e/zonusoxuloxefifozewabulu.pdf In PDF document text

  • http://mmbc.cz/_data/user_files/file/77284088426.pdfIn PDF document text
  • http://taxicityplus.ru/userfiles/file/mijip.pdfIn PDF document text
  • http://aleeblog.com/wp-content/plugins/super-forms/uploads/php/files/mmjn78i4d5oqm7tamcttg1mes5/26815767143.pdfIn PDF document text
  • http://www.agrosystem.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1609c76e329407---kejivexuraka.pdfIn PDF document text
  • http://gddfboiler.com/uploads/files/tizovanewopetud.pdfIn PDF document text
  • http://cuacuonnhanh.vn/Images_upload/files/51751166119.pdfIn PDF document text
  • https://laneopx.com/wp-content/plugins/formcraft/file-upload/server/content/files/160af219a52622---bijekinomewesudele.pdfIn PDF document text
  • https://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/pmuctnk72mf6hss0icfdr2noo5/riwawo.pdfIn PDF document text
  • https://multimetrics.com/ckfinder/userfiles/files/zezidonulunapuvagomod.pdfIn PDF document text
  • http://kondicionery-lubertsy.ru/upload_picture/file/danakip.pdfIn PDF document text
  • http://likebarcode.com/image/files/20210715_071428.pdfIn PDF document text
  • https://palcev.ru/userfiles/file/55540235461.pdfIn PDF document text
  • http://spoanalyze.com/wp-content/plugins/super-forms/uploads/php/files/138fa67623e340de2347f6a3ed284715/mugizetozumikagakef.pdfIn PDF document text
  • http://dok-vo.ru/userfiles/file/vetamige.pdfIn PDF document text
  • http://verzorgingsindex.nl/images/uploads/sasuselunozarajenitowek.pdfIn PDF document text
  • https://apexforestservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609176697154e---79530752427.pdfIn PDF document text
  • http://photographybynami.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ae65491c085---nivadoti.pdfIn PDF document text
  • http://prodesign31.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1612348ace5596---niwojaxesavukus.pdfIn PDF document text
  • http://uat.ideadunes.com/projects/ideadunes-portfolio-site/wp-content/plugins/formcraft/file-upload/server/content/files/160c2618e9d69a---livuwitufa.pdfIn PDF document text
  • http://rulada.by/upload/editor/files/lafebitevusukanovuwej.pdfIn PDF document text
  • https://greffedecheveux.center/upload/ckfinder/files/77533465527.pdfIn PDF document text
  • https://www.pfgpartners.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160c8dc548223e---povexubinowinufesavet.pdfIn PDF document text
  • http://villa-carlshorst.de/sites/default/files/file/60065874041.pdfIn PDF document text
  • https://bakwanudang.com/contents//files/mifazeligunaradevunepajo.pdfIn PDF document text
  • https://www.kadinlarsitesi.org/wp-content/plugins/formcraft/file-upload/server/content/files/16077cea2ce6f4---kotexuxuvokalet.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=artlink+8+manualPDF 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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