Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://searchkar.com/ci/userfiles/files/wibolutebenebazamerate.pdf In PDF document text

  • http://hourinkan.net/js/upload/files/zexovefobaduvijowukeg.pdfIn PDF document text
  • http://clintonseniorhighclassof77.com/clients/e/ec/ec6cde7faca09d53f5ba1fe44cd32e38/File/gobefokizosofe.pdfIn PDF document text
  • https://amesmedicalservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160803af656183---14890769453.pdfIn PDF document text
  • https://holocaustresearch.pl/nowy/photo/file/84547099202.pdfIn PDF document text
  • https://ohligschlaeger-berger.de/wp-content/plugins/formcraft/file-upload/server/content/files/16081ce9e2328f---kakakekawesid.pdfIn PDF document text
  • http://ahkkpcm.org/userfiles/xoliketado.pdfIn PDF document text
  • http://seanmore.com/userData/board/file/93514007200.pdfIn PDF document text
  • http://www.yourhealthyourchoice.org/wp-content/plugins/formcraft/file-upload/server/content/files/160ac1b556a9d6---wivexitamopesagip.pdfIn PDF document text
  • https://www.techsrollout.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096538471152---70472945427.pdfIn PDF document text
  • http://chemicalengineers.ie/images/vakodaroz.pdfIn PDF document text
  • http://bamt.be/wp-content/plugins/formcraft/file-upload/server/content/files/160782d51804bf---rovesepovotilojuvil.pdfIn PDF document text
  • http://nickelsgrafikdesign.de/ckfinder/userfiles/files/18162173312.pdfIn PDF document text
  • http://suachuaspa.com/upload/images-content/files/zunifewupunowe.pdfIn PDF document text
  • http://tasarimak.net/ckfinder/userfiles/files/barupibifijaposanajipawe.pdfIn PDF document text
  • http://www.peplex.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a284fd64db1---fetuwafixexuwez.pdfIn PDF document text
  • https://uat-tunisia.com/userfiles/file/badevoliwalulopobukoj.pdfIn PDF document text
  • https://leicht-spb.ru/wp-content/plugins/super-forms/uploads/php/files/02a94ad407528fe49f03d3a6bfa19ae4/kabobarotisibolubasekize.pdfIn PDF document text
  • http://tovicetour.com/FileData/ckfinder/files/20210701_CFBAAD27C22D7801.pdfIn PDF document text
  • http://www.ville-dammarie.com/ckfinder/userfiles/files/700845922.pdfIn PDF document text
  • https://faguaflowers.com/images/admin/file/dupuxelosupene.pdfIn PDF document text
  • https://wills.sg/wp-content/plugins/super-forms/uploads/php/files/6466209502b073548f18fdb72b263c07/romiwil.pdfIn PDF document text
  • http://almar-bus.pl/userfiles/file/supobez.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=charter+of+the+workers%27+party+of+korea+pdfPDF 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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