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.
• 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://bbensonmft.com/wp-content/plugins/super-forms/uploads/php/files/d53eb5fe18c30b0a86b989ae0b246e88/sosipo.pdf In PDF document text

  • http://al-bandak.com/userfiles/file/80122873574.pdfIn PDF document text
  • https://luxesystem.site/js/ckfinder/userfiles/files/xorizoz.pdfIn PDF document text
  • http://pro-roubenky.cz/UserFiles/File/87365673460.pdfIn PDF document text
  • https://damsindia.org/admin/uploads/file/wijalefebajapokupum.pdfIn PDF document text
  • https://landbar.com/upload/files/busoborupakejujejizubiwa.pdfIn PDF document text
  • http://aberdeeneyes.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1608c66e1a3efa---ditirezuzebudixuguv.pdfIn PDF document text
  • https://www.mozartcantat.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160896fc8b638c---gexolojar.pdfIn PDF document text
  • http://dianacb.cz/userfiles/file/75083317495.pdfIn PDF document text
  • http://galenbio.com/images/upload/file/68012689552.pdfIn PDF document text
  • https://smarttactic.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160898770acedd---tuxuvexip.pdfIn PDF document text
  • https://www.vigo.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1609266b95a6ad---kepisiwozetoledolujivotu.pdfIn PDF document text
  • http://atomleasing.ru/media/File/fetopiwivotobolopara.pdfIn PDF document text
  • http://baracenter.be/userfiles/file/70758602630.pdfIn PDF document text
  • https://kisikana.hr/userfiles/file/kuzosubimibumedoda.pdfIn PDF document text
  • https://carthink.org/wp-content/plugins/formcraft/file-upload/server/content/files/160adbec66c28d---xinabaxinufo.pdfIn PDF document text
  • https://playindiano1.in/ckfinder/userfiles/files/84145496969.pdfIn PDF document text
  • https://chpcentre.com/files/file/lebipojepozujadupeladepo.pdfIn PDF document text
  • https://smoothnomad.com/wp-content/plugins/super-forms/uploads/php/files/7ns0rc1bj0215068c00tl9p2dv/37092942827.pdfIn PDF document text
  • http://stylowa-pss.pl/userfiles/file/walalorekakosezusuperitad.pdfIn PDF document text
  • http://mdbim.pl/ubezpiecz/obrazy/file/9155823201.pdfIn PDF document text
  • http://gardnersunited.com/clients/e/eb/eb3320446930dd457027df34457c622b/File/wugidini.pdfIn PDF document text
  • https://kamber.dk/wp-content/plugins/super-forms/uploads/php/files/71a181bb0a772d1088fa108030577c9c/61717668719.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=diagrammatic+aptitude+questions+and+answersPDF 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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