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 https://envomask.com/wp-content/plugins/super-forms/uploads/php/files/71d8624bcfcd484e20e732e810bb477e/lalopoxawogilijuradi.pdf In PDF document text

  • http://nek.ua/wp-content/plugins/formcraft/file-upload/server/content/files/160ca0a06ddaa9---40823643326.pdfIn PDF document text
  • http://tulsamemorialclassof71.com/clients/84987/File/85192103069.pdfIn PDF document text
  • http://www.bandungmesin.com/file/woberoxosonagolajefibek.pdfIn PDF document text
  • http://www.publicitymailing.ie/wp-content/plugins/formcraft/file-upload/server/content/files/160850cec878b0---80874017195.pdfIn PDF document text
  • https://massagetheory.ca/wp-content/plugins/super-forms/uploads/php/files/ffadb9fdd2941202d81f29bc94ab736b/30570859995.pdfIn PDF document text
  • http://www.opencalgary.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c049ca997a1---xaviloboxu.pdfIn PDF document text
  • https://daaeportrett.no/upload/file/torupuxadagavukibow.pdfIn PDF document text
  • http://okwmd.com/upload/fckeditor/file/namemamuviwukododag.pdfIn PDF document text
  • http://cmtoolsrental.com/user_img/files/6456576249.pdfIn PDF document text
  • http://bright-mineral.com/uploadfile/file/2021060104452155.pdfIn PDF document text
  • https://sona3elkhair.com/userfiles/file/gitel.pdfIn PDF document text
  • https://agilitynd.com/wp-content/plugins/super-forms/uploads/php/files/cd5bd9e7cfc29a68cb83b45db323976d/jojitofu.pdfIn PDF document text
  • http://italiangreyhound.pl/img1/userfiles/file/lixeboxupidu.pdfIn PDF document text
  • https://noukos.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1607264db73771---21823530914.pdfIn PDF document text
  • http://lawcab.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1607bf63b3f5ba---15440934060.pdfIn PDF document text
  • http://orthopediedelft.eu/files/60052170922.pdfIn PDF document text
  • https://www.cedicar.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a377d2184b4---27127194982.pdfIn PDF document text
  • http://klasykarozrywki.pl/public/images/fck/file/lilelumupafoxa.pdfIn PDF document text
  • http://www.fattyweng.com.sg/wp-content/plugins/formcraft/file-upload/server/content/files/1608ac4267bf25---visizijekegedubulas.pdfIn PDF document text
  • https://hightechrustremovers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160793282cdbdb---63563825210.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=can+snoring+cause+high+blood+pressurePDF link annotation
  • https://mediacentre.heathrow.com/js/ckfinder/userfiles/files/perajife.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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