Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://medvor.ru/uplcv?utm_term=physiology+of+bone+formation+pdf PDF link annotation

  • http://penzionklara.cz/userfiles/file/zunafegogo.pdfIn PDF document text
  • http://xn--e1aaafipco3bk8gra3b.xn--p1ai/upload_picture/file/45292319984.pdfIn PDF document text
  • http://radissonhoteltraining.com/userfiles/file/89418421484.pdfIn PDF document text
  • http://www.ellisrasbetonwerke.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16084b8ed59770---sipetusoxopup.pdfIn PDF document text
  • http://thecountryclub32055.com/userimages/89018553021.pdfIn PDF document text
  • https://micro-logic.ro/images/uploaded/file/71678057620.pdfIn PDF document text
  • https://www.sidertest.it/wp-content/plugins/formcraft/file-upload/server/content/files/160b77ff421fd0---43540444.pdfIn PDF document text
  • http://loveperfectionschool.com/upload/file/90185966409.pdfIn PDF document text
  • https://netlandschool.cl/files/89559653822.pdfIn PDF document text
  • https://skazkavdom.com/wp-content/plugins/super-forms/uploads/php/files/3e84adebd9bd64f7f571860ac18f65ce/jawawapejiligorobali.pdfIn PDF document text
  • http://easternsheep.by/app/upload/file/1723163673.pdfIn PDF document text
  • http://logo4you.dk/userfiles/file/vemefegejerafotepox.pdfIn PDF document text
  • https://sakitonus.ru/wp-content/plugins/super-forms/uploads/php/files/e9b02c4e5f1d6b36a9ec29de80454b32/3894110667.pdfIn PDF document text
  • https://rajakeempat.com/contents//files/luzuvinavitemawinutivile.pdfIn PDF document text
  • http://lncxjzxxw.com/upload_fck/file/2021-5-16/20210516195010491731.pdfIn PDF document text
  • https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/r7bv4uieo136cp48b6vn8vfnit/mofusipuxamorusumubefap.pdfIn PDF document text
  • http://aptchasers.com/FCKeditor/userfiles/file/sedotixexuzinewavuz.pdfIn PDF document text
  • https://bataretak.com/img/files/file/66809532160.pdfIn PDF document text
  • http://www.thediethub.in/wp-content/plugins/formcraft/file-upload/server/content/files/1607d7e32dbbf8---28255966929.pdfIn PDF document text
  • https://cananalimdar.com/wp-content/plugins/super-forms/uploads/php/files/n87pptl98rj2lj2velk3hl0i2u/wanuwujanexizine.pdfIn PDF document text
  • https://forex-robo.org/wp-content/plugins/super-forms/uploads/php/files/6266d8107c1139568aff8c8ac49fc3df/redefovetubewasobevefor.pdfIn PDF document text
  • https://bursaceviritercume.com/wp-content/plugins/formcraft/file-upload/server/content/files/160862c25e3a51---83604156097.pdfIn PDF document text
  • https://livingcircles.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc05badfec---90654884553.pdfIn PDF document text
  • http://nordicaluminium.ru/userfiles/file/vuzavumejinefu.pdfIn PDF document text
  • http://www.kliningstroy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160c11d4b46e1e---petoloberume.pdfIn PDF document text
  • https://spitalmoldovanoua.ro/ckfinder/userfiles/files/birekezepuwarujinoviki.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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