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://allytemp.ru/uplcv?utm_term=hydraulic+valve+symbols+explained+pdf PDF link annotation

  • https://theshamrockpublecco.it/file/50440613994.pdfIn PDF document text
  • https://gearforfree.com/wp-content/plugins/super-forms/uploads/php/files/hpgj7a59qmdu0us555ifqniio2/ladujeradujakijibo.pdfIn PDF document text
  • http://alliance-ic.ru/uploads/file/69937489628.pdfIn PDF document text
  • http://wksystems.net/HotelEstimator/userfiles/file/daximewalapipi.pdfIn PDF document text
  • http://claudiodauelsberg.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16098ac9b7dc21---4191809856.pdfIn PDF document text
  • https://lakeshoresmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/r2suucsjf44bqo37bhspkg0r21/29009784445.pdfIn PDF document text
  • https://mediabandit.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fe778b385ad---rafewemetorujopiv.pdfIn PDF document text
  • http://trackeg.com/en/wp-content/plugins/formcraft/file-upload/server/content/files/160cd6bab78810---kijip.pdfIn PDF document text
  • https://www.spoton.pet/wp-content/plugins/super-forms/uploads/php/files/h3kpkmemra87r17qk2v9a2n508/1366934507.pdfIn PDF document text
  • https://www.opdrrustukalac.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c79a835b22---raweredowesixulad.pdfIn PDF document text
  • https://sonarmusic.hu/up_image/file/3944444386.pdfIn PDF document text
  • https://www.dentaltaxpros.com/wp-content/plugins/super-forms/uploads/php/files/98868092e44cf57510f06c264f89302e/fuvupobedawoxiwelimujado.pdfIn PDF document text
  • https://infravoip.com/wp-content/plugins/super-forms/uploads/php/files/2efc6f6d3427ab37e3f7b57b8c262a54/jivavalogunigozoweroduk.pdfIn PDF document text
  • https://istanajpdua.com/contents//files/pores.pdfIn PDF document text
  • https://noddy.nu/images/file/47437030818.pdfIn PDF document text
  • http://www.driftime.ee/wp-content/plugins/formcraft/file-upload/server/content/files/160a070e0ba939---92284258203.pdfIn PDF document text
  • http://sieuthibongda.net/ckfinder/userfiles/files/gekeb.pdfIn PDF document text
  • http://geostudio.eu/userfiles/files/96011017339.pdfIn PDF document text
  • https://www.kunapak.com/wp-content/plugins/super-forms/uploads/php/files/c8c28dkf6vq2st1qcs1lr0h1ma/totuvipexomoxesodikipene.pdfIn PDF document text
  • http://dighakanchaninternational.com/FCKeditor/file/wirejatazuwitigemupara.pdfIn PDF document text
  • http://sutphinsgermanshepherds.com/clients/21958/File/70475341354.pdfIn PDF document text
  • http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/6kr8j6jrvastq266uc3gdl32j6/soxavepofakexumob.pdfIn PDF document text
  • https://samyenngochoang.com/wp-content/plugins/super-forms/uploads/php/files/b0omvc7m04qui5c5dao5l4ngm8/vuridazikuwituwaledulufo.pdfIn PDF document text
  • http://drvision.org/wp-content/plugins/formcraft/file-upload/server/content/files/160bf9a8600891---45509621032.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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