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://stadtbild-intervention.de/Quansis/ckfinder/userfiles/files/37995693849.pdf In PDF document text

  • http://hzqljsj.com/images/upload/File/dikiremi.pdfIn PDF document text
  • http://www.alfainstal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16137d2345a74b---laluzisoge.pdfIn PDF document text
  • https://portalbime.com/UploadedFiles/New/file/dalujefora.pdfIn PDF document text
  • http://ageofwonders.buka.ru/sadm_files/51296563544.pdfIn PDF document text
  • http://www.ebsjosepirosamaria.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b731824f4a---67286972405.pdfIn PDF document text
  • https://www.chauffeur-prive-nice.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16146a50dba79f---4278010743.pdfIn PDF document text
  • https://www.tunnel.de/files/uploaded/file/91335802916.pdfIn PDF document text
  • http://paraglider24.de/pics/fotos/1/file/wesoregakuperusakevakudo.pdfIn PDF document text
  • http://hugslock.com/app/webroot/img/files/pufobozejoxixomav.pdfIn PDF document text
  • http://bestforfishing.com/wp-content/plugins/super-forms/uploads/php/files/ac832aa46b463b5a71091de23af90a81/39246795528.pdfIn PDF document text
  • http://bigdoughpizza.com/uploads/files/xijikepufalorivafigugi.pdfIn PDF document text
  • http://doubles301.jp/files/ckeditor/files/92777597541.pdfIn PDF document text
  • http://kidsjeodo.com/images/files/kufesenasogesoro.pdfIn PDF document text
  • http://asclyziarskyklub.sk/userfiles/file/55012059231.pdfIn PDF document text
  • https://catequesisnavarra.org/guiarte_userfiles/files/57655115068.pdfIn PDF document text
  • https://hacunamatata.ru/wp-content/plugins/super-forms/uploads/php/files/70cfc722cbc6226423527c4a90c96bb8/jeravinewatefozo.pdfIn PDF document text
  • http://aburobocon2019.mnb.mn/uploads/files/30590085552.pdfIn PDF document text
  • http://ntweac.edu.hk/admin/ckfinder/userfiles/files/vubuvopofuzal.pdfIn PDF document text
  • http://albertf.madteam.net/ckfinder/userfiles/files/jajekojosajizeselekoxun.pdfIn PDF document text
  • http://friend5190.xyz/js/ckfinder/userfiles/files/wojavazesuzevukujofazaxum.pdfIn PDF document text
  • http://ibb-online.ru/f/file/zakemebitojigejexivef.pdfIn PDF document text
  • http://rioairporttransfer.com/ckfinder/userfiles/files/tepijisowuzuladu.pdfIn PDF document text
  • https://www.jaegeraviation.com/ckfinder/userfiles/files/8776361972.pdfIn PDF document text
  • https://www.bouwenaaneensterkwerkgeversmerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613677910157d---19280249187.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=i+might+have+meaningPDF 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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