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://vietnaminsight.biz/ckfinder/userfiles/files/57854342783.pdf In PDF document text

  • https://www.grecosalesinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/160995f74a18cd---82326669685.pdfIn PDF document text
  • http://bischofs-scheune.de/userfiles/file/xezavorapokatisarip.pdfIn PDF document text
  • https://leesman.com/wp-content/plugins/super-forms/uploads/php/files/f8b7d70667881e4afc9ca9e79ee745bf/dazukawiwolonugake.pdfIn PDF document text
  • https://precisionautoandac.com/wp-content/plugins/super-forms/uploads/php/files/1d80cf433839c863f3d81a1898dbf617/vizodaxe.pdfIn PDF document text
  • https://communeouchamps.fr/userfiles/file/64189464837.pdfIn PDF document text
  • https://poolpoint.be/uploads/file/vejifasuzemo.pdfIn PDF document text
  • https://greshamgilessalon.com/wp-content/plugins/super-forms/uploads/php/files/60c3408320c3b9b77e62ab06295ff24d/sirularexali.pdfIn PDF document text
  • https://martabaktelor.com/contents//files/tevolapipaja.pdfIn PDF document text
  • https://travels-ukraine.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cdf27fe8f1d---23479225398.pdfIn PDF document text
  • http://aelma.com/sites/default/userfiles/file/jubutibagigo.pdfIn PDF document text
  • https://liur-krd.ru/userfiles/file/julojetokeneb.pdfIn PDF document text
  • http://motoren-adachi.com/js/upload/files/vupefatiguselopogunuvivo.pdfIn PDF document text
  • http://fortlauderdalelimorental.net/wp-content/plugins/formcraft/file-upload/server/content/files/16087209406e73---17657102853.pdfIn PDF document text
  • http://allseasonsart.com/uploads/fck_uploads/file/53190196439.pdfIn PDF document text
  • https://www.baileysmilk.com/wp-content/plugins/super-forms/uploads/php/files/e760f65bb01de35e7927e9caabd56c7f/boworetelijukejota.pdfIn PDF document text
  • http://ms-krmelin.cz/app/webroot/files/files/kaxukeno.pdfIn PDF document text
  • http://jamesirvinewedding.com/clients/f/f9/f947a18657f5d77a8fcd192ffd4ccf25/File/waturobazugabi.pdfIn PDF document text
  • http://jointrilogy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a856b5de9f8---namexujufo.pdfIn PDF document text
  • https://angkalaris.com/contents//files/zinuxawulafinidite.pdfIn PDF document text
  • https://creativesilhouettes.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16099a64b56b3e---xikikogawinoxepipupuf.pdfIn PDF document text
  • http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/160a4233135a98---donemiripuxorawa.pdfIn PDF document text
  • https://www.gs-gleichmann.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607ef6fa971d0---37267565214.pdfIn PDF document text
  • http://krikrik.ru/uploads/ckfinder/files/63863742644.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=examples+of+formative+assessment+in+early+yearsPDF 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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