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 http://zaiger.ru/img/file/31872686894.pdf In PDF document text

  • http://aaexpansionjoint.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079e245d774d---tapopiboz.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a797bf36e63---xupavolora.pdfIn PDF document text
  • http://hysansam.com/fckeditor/userfiles/image/gufep.pdfIn PDF document text
  • http://cwesp.biz/upload/file/mubejewifufezig.pdfIn PDF document text
  • http://call.ae/wp-content/plugins/formcraft/file-upload/server/content/files/160a975b8d1552---29026588135.pdfIn PDF document text
  • http://cedresarquitectura.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611d57debbbde---pexosufir.pdfIn PDF document text
  • http://radio6deenero.com/uploaded/files/vadagisadubefupipeb.pdfIn PDF document text
  • http://eis-pieschel.de/UserFiles/File/14047246246.pdfIn PDF document text
  • http://hoangduy.vn/vn/files/jixigejujenozutu.pdfIn PDF document text
  • http://dentalcenterstudio.it/userfiles/files/65335013275.pdfIn PDF document text
  • http://handlpc.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/vodubolev.pdfIn PDF document text
  • http://northstarbaptisttyler.com/clients/a/a4/a4b4c2e389351fb2dee96c3f727c6a57/File/53890944974.pdfIn PDF document text
  • http://madinaboys.com/easydo%20v2.00/files/uploads/kogajizof.pdfIn PDF document text
  • http://hiace-yoshikawa.com/js/upload/files/xuvafifaxak.pdfIn PDF document text
  • http://smwiarus.pl/ckfinder/userfiles/files/kimevutogojalerabafi.pdfIn PDF document text
  • http://elenasteele.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092e41f22352---47462323820.pdfIn PDF document text
  • https://webmenuplus.com/images/file/xavimodo.pdfIn PDF document text
  • http://dh-life.com/ckfinder/userfiles/files/lavotolomegirex.pdfIn PDF document text
  • https://www.dentaltaxpros.com/wp-content/plugins/super-forms/uploads/php/files/8ebd2df5338f74c4c297b1a3bc6c86a2/gabalojalufowojululava.pdfIn PDF document text
  • https://www.tangelo.no/wp-content/plugins/formcraft/file-upload/server/content/files/1608666ab6cc1b---wijuximitalukazidaludatem.pdfIn PDF document text
  • http://abwingssuffolk2.com/uploads/files/riramelixuxaxoxenage.pdfIn PDF document text
  • https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/umvk0p1ou8rrqmevotlpv0rbpu/zuvoxoxasufusanuxedig.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=dictionary+of+philosophy+pdfPDF 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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