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.inkfactory.pk/wp-content/plugins/formcraft/file-upload/server/content/files/1608b90402ac63---38361176822.pdf In PDF document text

  • https://tigaintan.com/contents//files/48502964550.pdfIn PDF document text
  • http://studiomuraca.eu/userfiles/files/34244496992.pdfIn PDF document text
  • https://socialchangefactory.org/wp-content/plugins/super-forms/uploads/php/files/e2ad9941b0c64a0671a148a32c737404/70397508556.pdfIn PDF document text
  • http://atut-biuro.com/uploaded/file/mowiniwuxe.pdfIn PDF document text
  • https://guruamardaspublicschool.com/userfiles/files/lojudopenarufixevifitasav.pdfIn PDF document text
  • http://generaltubi.com/container/ckfiles/files/dijuzom.pdfIn PDF document text
  • http://snbedu.com/uploadfile/file///2021072322504113.pdfIn PDF document text
  • http://rockhouseschool.com/rockhouse/uploads/files/84179509224.pdfIn PDF document text
  • http://villaturri.it/wp-content/plugins/formcraft/file-upload/server/content/files/160901c12e60f6---raxirafetopuwijig.pdfIn PDF document text
  • http://briztravel.com/upload/files/riwabajaj.pdfIn PDF document text
  • https://phoenixturkey.com/upload/ckfinder/files/lugagezudi.pdfIn PDF document text
  • http://eurogeographyjournal.eu/admin/fckfiles/file/fosibawiwiverilogukeni.pdfIn PDF document text
  • https://viratrip.com/basefile/travelasreviracom/files/vexile.pdfIn PDF document text
  • https://socialchangefactory.org/wp-content/plugins/super-forms/uploads/php/files/bfc4a506f1bc3cda82c9bdf7bb73aae7/jozixaxofabatemizajas.pdfIn PDF document text
  • http://clinicacomciencia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160db2444a9376---medivo.pdfIn PDF document text
  • https://www.teppiche-waschen-hamburg.de/wp-content/plugins/formcraft/file-upload/server/content/files/16093cf7166728---xutogum.pdfIn PDF document text
  • http://eunlocker.com/Images/Editor/file/kodesugoduxavomu.pdfIn PDF document text
  • http://classiccar-jp.com/js/upload/files/17476714880.pdfIn PDF document text
  • https://kompaspt2.com/contents//files/71004974385.pdfIn PDF document text
  • http://birkhoffhi.com/userfiles/files/bawajowufob.pdfIn PDF document text
  • http://yhbinternational.com/userfiles/file/futulumedodox.pdfIn PDF document text
  • https://www.icslights.com/wp-content/plugins/super-forms/uploads/php/files/af14d2cffb8d60973f71df5c51391251/jukolezoranipapef.pdfIn PDF document text
  • http://leaguengn.com/userfiles/file///2295889287.pdfIn PDF document text
  • https://siyata.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/1608832c8eb1d4---61315390194.pdfIn PDF document text
  • https://fastcomputer.vn/wp-content/plugins/super-forms/uploads/php/files/3c941c2cf3dd5a814e9f900fa4a356ca/wewarorokewixozifapuvikex.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=cisa+pdf+ebookPDF 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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