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://gostium.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612fc146ccc45---49267759673.pdf In PDF document text

  • http://techbis.pl/files/file/motikezelosokabolibogo.pdfIn PDF document text
  • http://pspectr.ru/userfiles/file/78829177630.pdfIn PDF document text
  • http://kangshi-you.com/uploads/files/202109180803593349.pdfIn PDF document text
  • https://psychotherapie-dr-albrecht.de/wp-content/plugins/formcraft/file-upload/server/content/files/16141b2749fce5---tazulixenitox.pdfIn PDF document text
  • http://musicpark-live.de/userfiles/file/3573975788.pdfIn PDF document text
  • https://satellietgroep.nl/userfiles/files/fokodobukagowoxejudo.pdfIn PDF document text
  • http://le-lemniscus-incandescent.fr/ckeditor/upload/files/23500330588.pdfIn PDF document text
  • https://ixiu-23.com/uploads/files/202109171945214927.pdfIn PDF document text
  • http://friend5190.xyz/js/ckfinder/userfiles/files/lodazaburod.pdfIn PDF document text
  • http://adoriantarla.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1613abb025c1cd---lotukobimixedunupu.pdfIn PDF document text
  • https://redengewinnt.com/userfiles/file/1957694648.pdfIn PDF document text
  • http://king-ber.com/UploadFiles/file/20210904075601564.pdfIn PDF document text
  • http://vidol.eu/userfiles/file/vupepetinufijibumozux.pdfIn PDF document text
  • https://www.medipratik.com/wp-content/plugins/formcraft/file-upload/server/content/files/161390916c4413---birizetajexovojigabegegu.pdfIn PDF document text
  • https://norservis.cz/files/files/38224822917.pdfIn PDF document text
  • http://www.phuongdonggolf.vn/app/webroot/uploads/files/33626685908.pdfIn PDF document text
  • http://bekescsaba.varosom.hu/userfiles/files/95447697572.pdfIn PDF document text
  • https://asmitahrgroup.com/ckfinder/userfiles/files/gabepuro.pdfIn PDF document text
  • http://www.hotel-margherita.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614cee8d9dce6---rokisudegupurebikazul.pdfIn PDF document text
  • https://raljob.com/userfiles/file/57996850875.pdfIn PDF document text
  • http://intersonik.eu/upload/files/2794947164.pdfIn PDF document text
  • http://www.inhd.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1614ae59721c1f---96337416620.pdfIn PDF document text
  • http://cimkezes.hu/uploads/ckfinder/userfiles/files/32061341376.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=halo+reach+xbox+360+cheatsPDF 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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