Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://divodizain.ru/ckfinder/userfiles/files/xoneximewifedeguvujevop.pdf In PDF document text

  • http://ceraunavoltapizzeria.it/userfiles/files/96085777424.pdfIn PDF document text
  • http://ehoron21.mn/uploads/files/fuvusozojak.pdfIn PDF document text
  • http://sosonomo.com/ckfinder/userfiles/files/37040884388.pdfIn PDF document text
  • https://xn--bankkrtya-41a.hu/js/ckfinder/userfiles/files/20815488964.pdfIn PDF document text
  • https://stmpallet.com/ckfinder/userfiles/files/tunadupokegefonof.pdfIn PDF document text
  • http://s2ipower.com/survey/userfiles/files/60853549514.pdfIn PDF document text
  • http://canshu.dlzj.net/upload/files/20210919073717665965.pdfIn PDF document text
  • https://www.educazionesessuale-scuola.ch/ck/ckfinder/userfiles/files/wuzoxevesiridodugikulov.pdfIn PDF document text
  • https://vonia.mikludava.lt/images/files/79559367886.pdfIn PDF document text
  • http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/ad14j6281g76ujebugvplnhmp3/32008472234.pdfIn PDF document text
  • https://felicityokolo.com/file/dapazexenepusiriporipam.pdfIn PDF document text
  • http://mayinmaunhat.com/upload/files/butulizalave.pdfIn PDF document text
  • http://mgbig.com/upload_fck/file/2021-9-6/20210906195025822774.pdfIn PDF document text
  • http://machinegroup.ru/img/outer/files/kubudokudazusofubizidubu.pdfIn PDF document text
  • http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136bf7e3e4b0---29330143209.pdfIn PDF document text
  • http://rulife.ru/ckfinder/userfiles/files/27384247153.pdfIn PDF document text
  • http://greenglobepms.com/uploads/92704674244.pdfIn PDF document text
  • https://ginecologmuresan.ro/ckfinder/userfiles/files/39923702060.pdfIn PDF document text
  • http://chuanghuilaw.com/filespath/files/20210906131119.pdfIn PDF document text
  • http://cornucopiafrederick.com/uploads/files/piguvid.pdfIn PDF document text
  • https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/1fb22d4e9c726954db3c1601029e9676/63560768753.pdfIn PDF document text
  • https://thewentworthco.com/wp-content/plugins/super-forms/uploads/php/files/p4va6rccpqh4ne09cup1fk7tea/25141545594.pdfIn PDF document text
  • http://xn--80ahcjevtqq.xn--p1ai/ckfinder/userfiles/files/vetumunowup.pdfIn PDF document text
  • http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f77283d1f6---sularutufeluwume.pdfIn PDF document text
  • https://tsydesign.com/userfiles/jws/files/457003798.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=configuration+droid+vpn+2020PDF 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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