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://crewmak.ru/uplcv?utm_term=big+data+frameworks PDF link annotation

  • http://formpart.com/upload/ckfinder/files/zuzudaridadefixagab.pdfIn PDF document text
  • http://3m18.com/images/editor/files/rebigozoz.pdfIn PDF document text
  • https://tivicom.vn/upload/files/lasapomibajipeneg.pdfIn PDF document text
  • https://homestayhoian.thamtuddt.com/uploads/image/files/87746328555.pdfIn PDF document text
  • http://vizcsap.hu/files/file/resot.pdfIn PDF document text
  • http://www.itbaloch.com/wp-content/plugins/formcraft/file-upload/server/content/files/161401eb2009de---51540994503.pdfIn PDF document text
  • https://slavica.ru/wp-content/plugins/super-forms/uploads/php/files/d03e63a79adfac01e647548c8bf6caeb/45597095270.pdfIn PDF document text
  • http://es-umzuege-transporte.de/wp-content/plugins/super-forms/uploads/php/files/c5ff3a4329c83555708c95e814d31e3d/fatijexim.pdfIn PDF document text
  • http://phdpecs.hu/userfiles/files/1219853700.pdfIn PDF document text
  • https://houstoncoinclub.org/FCKeditor/file/dagujenokajupapi.pdfIn PDF document text
  • http://isgsrl.it/images/file/69121205347.pdfIn PDF document text
  • https://yennenga.org/business_school/uploads/file/parazuxapapexusilex.pdfIn PDF document text
  • http://famcareconnect.org/wp-content/plugins/formcraft/file-upload/server/content/files/161336fdd03520---43487465029.pdfIn PDF document text
  • http://www.predoisiasociatii.ro/wp-content/plugins/formcraft/file-upload/server/content/files/161438853a6d0d---jebelumafeki.pdfIn PDF document text
  • http://churchliferesources.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613e3e51b012b---98002769361.pdfIn PDF document text
  • https://reaga.net/js/ckfinder/userfiles/files/kijaxomo.pdfIn PDF document text
  • http://nujhimachal.in/img/uploads/files/62281494967.pdfIn PDF document text
  • http://dubilex.com/userfiles/files/fagizudusewutepizizerotiw.pdfIn PDF document text
  • http://nhadatv.com/webroot/img/files/40900932498.pdfIn PDF document text
  • http://ambiance-cinema.fr/wp-content/plugins/super-forms/uploads/php/files/cf4a17bd15a74dfeedd6d02731d1b69a/3095964772.pdfIn PDF document text
  • https://k31szmq42-nu28.com/contents/files/7803921152.pdfIn PDF document text
  • http://chaitraglaze.com/uploads/wigirawivewavisu.pdfIn PDF document text
  • http://bestbuyfromindia.com/userfiles/file/wijegokufalomurixarimum.pdfIn PDF document text
  • https://linker.tw/files/sudomolemuroluwuwibivowa.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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