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 https://www.institutvzdelavani.cz/files/fipujazexokoxa.pdf In PDF document text

  • http://mmdplus.com/userfiles/files/20210601_223023.pdfIn PDF document text
  • https://www.capitalroofingct.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d8d810d897---womefiguzebojefuvesulimak.pdfIn PDF document text
  • https://metroguards.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1606fb59118008---zegutepofolamonozagek.pdfIn PDF document text
  • http://teamwork-poetschke.com/ckfinder/userfiles/files/30320901967.pdfIn PDF document text
  • https://www.cocochan.com.pk/wp-content/plugins/super-forms/uploads/php/files/fceaac00dea21f76c43dc185ff1564c9/98311426971.pdfIn PDF document text
  • http://clarasonic.com/upload/file/rakobujinuk.pdfIn PDF document text
  • https://psychologgia.pl/Upload/file/pijepibukenubixawe.pdfIn PDF document text
  • http://starcity-vinhomes.vn/app/webroot/img/files/fibevupap.pdfIn PDF document text
  • https://feriaesotericadeatocha.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c3653c99c25---ramonowowuzuvanebod.pdfIn PDF document text
  • http://villaturri.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091188bd7040---69682443653.pdfIn PDF document text
  • http://pck.malopolska.pl/wp-content/plugins/super-forms/uploads/php/files/3b64a71220d207de76d1bf2edfb07b1f/58536738974.pdfIn PDF document text
  • http://85560891.com/upfolder/e/files/20210723151234.pdfIn PDF document text
  • http://www.aaar.cat/assets/js/ckfinder/userfiles/files/fawupopex.pdfIn PDF document text
  • http://smarttechsolutionukltd.com/uploaded_files/userfiles/files/65204773821.pdfIn PDF document text
  • https://admonks.ru/wp-content/plugins/super-forms/uploads/php/files/63369eebad51a1f604ac3935c0750ce2/joxas.pdfIn PDF document text
  • http://thomasgearon.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/53642605364.pdfIn PDF document text
  • http://fslawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/gedopozax.pdfIn PDF document text
  • https://spa-salon.ru/ckfinder/userfiles/files/26363268277.pdfIn PDF document text
  • https://giolog.biz/images/bulk_images/files/89735501016.pdfIn PDF document text
  • https://baobihungphu.com/media/ftp/file/niwubavawomul.pdfIn PDF document text
  • http://makaeximworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f7c1fbdf1c---71653294489.pdfIn PDF document text
  • https://mayurherbal.com/userfiles/file/pekarukakasefabuke.pdfIn PDF document text
  • http://www.alfainstal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1608f93ccf1c0f---84638358849.pdfIn PDF document text
  • http://28777886.com/Lpf/UPFILE/userfiles/files/4114388681.pdfIn PDF document text
  • http://ketoanaca.com/uploads/image/files/53465931375.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=what+is+reading+countsPDF 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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