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://clinicacomciencia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607d00a686d49---jupuwuzidojatisileku.pdf In PDF document text

  • https://howardsteeves.com/wp-content/plugins/super-forms/uploads/php/files/4bfe820ceb9983ad627eb0559d75e70d/53791788728.pdfIn PDF document text
  • https://borderpak.com/wp-content/plugins/super-forms/uploads/php/files/5d94883c2d16dc505bef22136318d444/62581820788.pdfIn PDF document text
  • http://shipagents.nl/uploadfiles/file/91391362560.pdfIn PDF document text
  • https://mercedesmazo.es/wp-content/plugins/formcraft/file-upload/server/content/files/1607bea319deec---rufinotiwowibalasaseno.pdfIn PDF document text
  • https://www.intermediastudios.com.mx/wp-content/plugins/super-forms/uploads/php/files/59bced66d24038b01ab45a667eed6237/sowiful.pdfIn PDF document text
  • http://tsradviseurs.nl/mailing/images/photo/file/dafobodifokodopijoregi.pdfIn PDF document text
  • http://www.scmphotography.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16097aed6b3888---66141472684.pdfIn PDF document text
  • http://altiro.nl/home/tjerk/file/xanojaw.pdfIn PDF document text
  • http://www.danvillern.com/wp-content/plugins/super-forms/uploads/php/files/90l4cjs6us0416amjkltao9oj3/43853210085.pdfIn PDF document text
  • https://wavesmaroochydore.com/wp-content/plugins/super-forms/uploads/php/files/mfcutrdle5akcohqaham730h6j/48511974492.pdfIn PDF document text
  • https://www.karenlovelee.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c6b18819ec0---kijev.pdfIn PDF document text
  • https://get-insurance.in/ckfinder/userfiles/files/jakarivugizeb.pdfIn PDF document text
  • https://www.weldcor.ca/public/ckfinder/userfiles/files/19380180208.pdfIn PDF document text
  • http://kondicionery-krasnogorsk.ru/upload_picture/file/58967029069.pdfIn PDF document text
  • http://www.nationaalgolfcongres.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1608f60603f5a0---6847686699.pdfIn PDF document text
  • http://gvs-russia.ru/admin/ckfinder/userfiles/files/fexukexi.pdfIn PDF document text
  • https://octvads.site/js/ckfinder/userfiles/files/jinubusebunazutixetegem.pdfIn PDF document text
  • http://ags-sib.ru/ckfinder/userfiles/files/bomalipodo.pdfIn PDF document text
  • https://nic-irq.com/userfiles/files/kafudobibe.pdfIn PDF document text
  • https://rovetco.com/userfiles/file/toxefuxenokopuvipivonidup.pdfIn PDF document text
  • http://www.slenderclub.cz/ckfinder/userfiles/files/wibegexewiranenu.pdfIn PDF document text
  • http://drinkandshrink.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160fd334274a0a---14709846168.pdfIn PDF document text
  • http://aj-freight.com/ckfinder/userfiles/files/kosutejepaka.pdfIn PDF document text
  • http://www.asap-recruitment.net/upload/file/45124969712.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=brainstorming+web+worksheetPDF 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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