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://philabc.ru/uplcv?utm_term=playing+tennis+on+grass PDF link annotation

  • http://easternhoteljeju.com/FileData/ckfinder/files/20210815_89BDA9CC74101C69.pdfIn PDF document text
  • http://bigpictureresources.com/userfilesbigpicture/file/kewivugagukajux.pdfIn PDF document text
  • https://mayurherbal.com/userfiles/file/voraxe.pdfIn PDF document text
  • https://kantankacreative.com/wp-content/plugins/super-forms/uploads/php/files/b39d9dd08a6459950164610926df8380/98374473085.pdfIn PDF document text
  • http://caribsplash.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c5fed0aaee3---55077046878.pdfIn PDF document text
  • http://www.assignproject.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608357cb8a257---65304902768.pdfIn PDF document text
  • https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160728419950ce---tipodopironiwe.pdfIn PDF document text
  • http://galgalesh.com/userfiles/file/bijawuluni.pdfIn PDF document text
  • https://sailstudy.in/ckfinder/userfiles/files/dufopapusowumogudibaf.pdfIn PDF document text
  • https://monuments-msk.ru/wp-content/plugins/super-forms/uploads/php/files/5a53a555b56f13d8a95715c67864420a/resowewazebej.pdfIn PDF document text
  • http://www.medical-psychology.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1609d098b9eed9---xedupivupi.pdfIn PDF document text
  • https://abandassociates.com/ckfinder/userfiles/files/66245674647.pdfIn PDF document text
  • http://sad-azov.ru/wp-content/plugins/super-forms/uploads/php/files/2f8c386d28cf006b40c78679ea8d6c9f/57355214213.pdfIn PDF document text
  • http://xn--80aaae7amexjfdlfdfg.xn--p1ai/files/file/mivugogozoda.pdfIn PDF document text
  • http://terapie-psi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1609fa3b071f24---13733996421.pdfIn PDF document text
  • https://xn--80aaa1anac6cg.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/22e984acd9cd42e0e19aa67bccedf634/14738216018.pdfIn PDF document text
  • http://eko-inwest.eu/upload/file/tobajevapekada.pdfIn PDF document text
  • http://speed-r.com/js/upload/files/32543518994.pdfIn PDF document text
  • http://luingpyrex.cz/foto/Image/file/90078004028.pdfIn PDF document text
  • http://www.circoloaletrium.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a25d532f19f---xifemazasusameripipuzo.pdfIn PDF document text
  • http://www.socalgreatwhite.com/wp-content/plugins/formcraft/file-upload/server/content/files/160758fa549acd---95325439267.pdfIn PDF document text
  • https://charterfori.ir/basefile/charterforiir/files/67227022281.pdfIn PDF document text
  • http://studiomuraca.eu/userfiles/files/36953034461.pdfIn PDF document text
  • http://gmei.lt/ckfinder/userfiles/files/5693276401.pdfIn PDF document text
  • http://www.caribbeandentist.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c4e6458861---77915167750.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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