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://queure.ru/uplcv?utm_term=counter+sue+for+harassment PDF link annotation

  • https://unique.global/wp-content/plugins/super-forms/uploads/php/files/4df07f42d3e6bf7717a346eeef4dfe6a/senakidolo.pdfIn PDF document text
  • https://bnovum.hu/downloads/15727888604.pdfIn PDF document text
  • http://hillsdalehorseboarding.com/ckfinder/userfiles/files/98156527384.pdfIn PDF document text
  • http://amtusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c2aa2635665---segivaxelu.pdfIn PDF document text
  • http://rama-sp.com/rama/webroot/js/ckfinder/userfiles/files/zirusumupotezowurawapu.pdfIn PDF document text
  • https://kvartira-zalog.ru/wp-content/plugins/super-forms/uploads/php/files/44609d603ff47e86aff9afc0f5f0b516/88012759235.pdfIn PDF document text
  • http://eotp.info/sites/default/files/fck/file/xixosifibuzufilowavudam.pdfIn PDF document text
  • https://xn--b8qxb801j.tw/upload/files/26353271183.pdfIn PDF document text
  • http://www.kidnuri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612b2fc56f846---gulumepivugi.pdfIn PDF document text
  • https://hondaotohaiphong.vn/upload/files/dibomubemeloruba.pdfIn PDF document text
  • https://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/160f786bc2df13---51423115914.pdfIn PDF document text
  • https://eclipsetheaters.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609575e07da0b---21442576401.pdfIn PDF document text
  • https://mgc.to/sites/web/upload/files/lixizu.pdfIn PDF document text
  • https://diversifiedhumansolutions.com/wp-content/plugins/super-forms/uploads/php/files/b1e9e391cd17c5408656a295066a97b1/81912353757.pdfIn PDF document text
  • https://artsketch.ru/wp-content/plugins/super-forms/uploads/php/files/b37c2b792f359eae3c72cb19d98efd67/fakirodo.pdfIn PDF document text
  • http://vilaportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b0869653372---31633124245.pdfIn PDF document text
  • https://kachhiproperties.com/wp-content/plugins/super-forms/uploads/php/files/tv8m4np00j50lu7g4p7m23s034/20894364685.pdfIn PDF document text
  • http://arcdesantmarti.com/biocop/Images/images-editor/file/milewudiwesofutazazuzod.pdfIn PDF document text
  • http://konferencii.org/web/uploads/assets/file/86775750568.pdfIn PDF document text
  • https://harkakotony.hu/UserFiles/file/59574106649.pdfIn PDF document text
  • http://cartonwrappingmachine.com/userfiles/file/gulumuw.pdfIn PDF document text
  • https://baileyelectrical.services/wp-content/plugins/super-forms/uploads/php/files/gekoo7p1k1ako21e0v9109j6u8/88382102524.pdfIn PDF document text
  • http://www.gcsystem.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16078a8f78a30d---bexuvefokaf.pdfIn PDF document text
  • https://swift-tw.com/lcc/upload/files/rimavirivujomide.pdfIn PDF document text
  • http://fouladsazanco.com/Upload/file/guwabufabili.pdfIn PDF document text
  • 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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