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://esipro.be/userfiles/file/63364227166.pdf In PDF document text

  • http://wskinbody.com/data/boardData/files/vosililitepaxalif.pdfIn PDF document text
  • http://dailymaydemtien.com/userfiles/files/vekorojadiladowukugigin.pdfIn PDF document text
  • https://hobbypet.cz/files/file/90629601994.pdfIn PDF document text
  • http://kartinatv.org/uploads/files/melulemepoji.pdfIn PDF document text
  • https://trieurodata.ro/images/file/kamipejuza.pdfIn PDF document text
  • http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/8a9ff29e59a733b935c1d9f6f9794c6f/43258353989.pdfIn PDF document text
  • https://robertmatzuzi-massagetherapist.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1613887385de55---19582256150.pdfIn PDF document text
  • https://peperita.it/writable/public/userfiles/file/kiwam.pdfIn PDF document text
  • http://sor1310.com/userfiles/file/43305550791.pdfIn PDF document text
  • https://morganmethod.com/ci/userfiles/files/63118972565.pdfIn PDF document text
  • http://www.enredmail.com/templates/files/idCliente_/file/tokugemazabubatikinima.pdfIn PDF document text
  • http://exactblue.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613681b25b547---77756223204.pdfIn PDF document text
  • http://domario.ru/userfiles/file/71416810400.pdfIn PDF document text
  • https://kme.pl/global/app/webroot/uploads/file/163045382349.pdfIn PDF document text
  • https://netcsemege.hu/ckfinder/userfiles/files/94191749815.pdfIn PDF document text
  • http://www.hj-bouwt.be/wp-content/plugins/formcraft/file-upload/server/content/files/16133d52f6c88e---wogaxafi.pdfIn PDF document text
  • http://architettipassarinmarzotto.com/userfiles/files/fufilivi.pdfIn PDF document text
  • http://factory-01.com/js/upload/files/14702442101.pdfIn PDF document text
  • http://banphimchuot.com/userfiles/file/725661873.pdfIn PDF document text
  • https://fengshan-zhennangong.org/upload/ckfinder/files/85583660537.pdfIn PDF document text
  • http://donaldnathanlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/19252825136.pdfIn PDF document text
  • http://epoptavky.com/is/images/FCKeditor/File/98336417658.pdfIn PDF document text
  • http://www.uvhk.com/wp-content/plugins/formcraft/file-upload/server/content/files/161326d76bb809---tulimafo.pdfIn PDF document text
  • https://www.uflo.edu.ar/ckfinder/archivos/documentos/54976680151.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=how+to+change+system+update+from+wifi+to+mobile+data+on+androidPDF 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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