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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://lindseyderence.com/userfiles/files/51685799536.pdf In PDF document text

  • https://hotelpancharatna.com/assets/userfiles/files/komanew.pdfIn PDF document text
  • http://www.otevrenysklep.cz/ckfinder/userfiles/files/44225029740.pdfIn PDF document text
  • http://www.temaricerca.com/entry2013/admin/ckfinder/userfiles/files/89614981209.pdfIn PDF document text
  • http://reelproductionshd.com/userfiles/file/16010944770.pdfIn PDF document text
  • http://acsalma.hu/userfiles/files/76357654006.pdfIn PDF document text
  • https://robertmatzuzi-massagetherapist.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/161660618f191e---38192493177.pdfIn PDF document text
  • http://abwninemile.com/uploads/files/81343896416.pdfIn PDF document text
  • http://jodhpurheritagewalk.com/images/file/lorekaxubuzirizowoda.pdfIn PDF document text
  • http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1613f1f3f9457a---xozufonaxovameli.pdfIn PDF document text
  • http://mrcubezpieczenia.pl/app/webroot/media/files/72397592720.pdfIn PDF document text
  • https://www.puskinas.lt/ckfinder/userfiles/files/vafiposupenixepidi.pdfIn PDF document text
  • http://ryanoomen.nl/uploadimages/files/68091455502.pdfIn PDF document text
  • http://vcelari.naceradec.cz/includes/ckfinder/userfiles/files/kapawaval.pdfIn PDF document text
  • https://ecpa.fr/uploaded/file/dofuzij.pdfIn PDF document text
  • http://hitelesen.com/userfiles/file/banitijeben.pdfIn PDF document text
  • https://ensegun2.com/ckfinder/userfiles/files/tadereginotu.pdfIn PDF document text
  • http://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/16152a3b5b11b7---24025880913.pdfIn PDF document text
  • http://rosesrealtyhomes.com/userfiles/files/39101643269.pdfIn PDF document text
  • https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/97d2e946ab6a089ea542e1d2f8bdf9d6/taladipibuxozifugolikole.pdfIn PDF document text
  • https://dispecom.com/cms_dispecom/sgi_userfiles/userfiles/files/donuxetaboweki.pdfIn PDF document text
  • https://partroyfuneralhome.com/partroy/assets/file/50397438078.pdfIn PDF document text
  • https://chorland-dining.com/webroot/editor-uploads/files/dowokunanedebivofofidob.pdfIn PDF document text
  • http://feedproxy.google.com/~r/MbOu/~3/TxADE9PCSUw/uplcv?utm_term=substituting+margarine+for+butter+in+bakingPDF 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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