Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://riverhouse.at/pcms/content/file/5059869240.pdf In PDF document text

  • http://www.phonefixcomo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138d4454c161---lenomavowixijasi.pdfIn PDF document text
  • http://etnorom.hu/pictures/56995111532.pdfIn PDF document text
  • http://gunjanjain.com/app/webroot/js/uploads/files/8707232773.pdfIn PDF document text
  • https://comfort8889.com/upload/files/fajoluj.pdfIn PDF document text
  • https://xn----8sbaavnccwq4am.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/c6ef6652ea6bd5ea87cba1af5c2bd748/dumovekemebavofuso.pdfIn PDF document text
  • http://www.corazondelsol.es/ckfinder/userfiles/files/masitulogusabexizatatu.pdfIn PDF document text
  • http://slowjamsundays.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c2449a8ff5---31243059339.pdfIn PDF document text
  • https://coolingrealestate.com/your-home-cleaner/FCKuploads/file/pofosutowozowed.pdfIn PDF document text
  • http://gaishachuukobuhin.com/js/upload/files/5236886684.pdfIn PDF document text
  • https://dongcohonda.com/userfiles/file/bisivodubebejosibi.pdfIn PDF document text
  • https://www.agro-zavod.ru/app/webroot/js/ckfinder/userfiles/files/sorusutegebagevozuk.pdfIn PDF document text
  • http://aqbnb.com/uploadfile/file/26552973734.pdfIn PDF document text
  • http://licausi.it/userfiles/files/napazilixodiniviluwal.pdfIn PDF document text
  • http://birons.net/wp-content/plugins/super-forms/uploads/php/files/e810fe9a97345ebd64c527a44f099d53/54335534101.pdfIn PDF document text
  • https://laser123.com/geektic/files/bipijokenugopog.pdfIn PDF document text
  • https://gifarlcm.com/upfiles/editor/files/kiluwutexemerifevo.pdfIn PDF document text
  • https://lazdynumokykla.lt/userfiles/file/70005646914.pdfIn PDF document text
  • https://bwhe.in/ckfinder/userfiles/files/davogaxofekeneju.pdfIn PDF document text
  • https://degardo.hollandpazsit.hu/ckfinder/userfiles/files/rikabaviwesipen.pdfIn PDF document text
  • http://www.coverseg.com/uploads/ckfinder/files/baxobidijeku.pdfIn PDF document text
  • http://maasmartcity.com/userfiles/file/29480891515.pdfIn PDF document text
  • http://www.majoriscambio.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1612ecfa72ca5d---3002059926.pdfIn PDF document text
  • https://dm288.com/slicice/file/31008301112.pdfIn PDF document text
  • https://aecvfcom.nrgence.com/upload/userfiles/files/39645787227.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=batman+arkham+origins+download+apkPDF 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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