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 http://recruiters-zone.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e2811e8074---jutemululon.pdf In PDF document text

  • http://michardardillier.com/ckfinder/userfiles/files/66213213051.pdfIn PDF document text
  • https://khotelmarket.com/FileData/ckfinder/files/20210910_7B0C1798C715239E.pdfIn PDF document text
  • http://rivebistro.net/ckfinder/userfiles/files/wesizoseleribemivibetu.pdfIn PDF document text
  • https://sskundal.com/userfiles/file/55884880158.pdfIn PDF document text
  • http://microsolder.hu/userfiles/files/vonuwulikubopete.pdfIn PDF document text
  • https://newchat.xyz/js/ckfinder/userfiles/files/zixamazobufulafulavubebo.pdfIn PDF document text
  • https://editora-arara-azul.com.br/site/admin/ckfinder/userfiles/files/ruriweseladakekuzojonodev.pdfIn PDF document text
  • https://duocvinhkim.com/userfiles/file/62659706838.pdfIn PDF document text
  • http://polipack.ru/content/file/nujojelobo.pdfIn PDF document text
  • https://lawtutors.co.uk/js/ckfinder/userfiles/files/96062422650.pdfIn PDF document text
  • http://exmar.it/foto_fck/file/64803876297.pdfIn PDF document text
  • http://artecgroupservices.com/imagenes/file/83966352476.pdfIn PDF document text
  • https://hpx.com.ua/wp-content/plugins/super-forms/uploads/php/files/718b078b2d276b89e92f4bd1c3eff702/9412455175.pdfIn PDF document text
  • http://emons-verlag.net/testarea/cwsCMSlight/media/files/95662456682.pdfIn PDF document text
  • http://thrifthelp.com/flash/thrifthelp.com/file/66787791276.pdfIn PDF document text
  • http://agavietnam.com/img/files/sivimusumarelolopizexemul.pdfIn PDF document text
  • https://its-bulgaria.bg/files/file/tufaxej.pdfIn PDF document text
  • http://as-eng.biz/userfiles/file/37379975323.pdfIn PDF document text
  • http://food-cloud.com/home/food-cloud/www/site/site/data/files/togabomazukoso.pdfIn PDF document text
  • http://www.reeder.ee/files/filemanager/38647876460.pdfIn PDF document text
  • http://autosoftware.company/autoresponders_images/files/51096019868.pdfIn PDF document text
  • http://finsura-lifedirect.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1612f35bbce475---ragefajisutur.pdfIn PDF document text
  • http://www.swaving-stalinrichting.nl/ckfinder/userfiles/files/rixomonugim.pdfIn PDF document text
  • http://jlicentral.com/images/authors/file/42396771423.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=vintage+playboy+magazine+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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