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://zs-g.jp/app/webroot/js/ckfinder/userfiles/files/xopitamijefimixul.pdf In PDF document text

  • http://benetworkingpro.com/ckfinder/userfiles/files/63023877801.pdfIn PDF document text
  • https://istanbularicilikfestivali.com/upload/ckfinder/files/30882032574.pdfIn PDF document text
  • https://plumcourse.com/wp-content/plugins/super-forms/uploads/php/files/9ce0f4a81c25fcfb70df1785179c38ff/15373958163.pdfIn PDF document text
  • https://cdmsig1.com/ckfinder/userfiles/files/3648426442.pdfIn PDF document text
  • https://i-chat.tw/js/ckfinder/userfiles/files/metewafurilomejelorodigal.pdfIn PDF document text
  • http://www.annaleehuber.com/content_files/file/lusap.pdfIn PDF document text
  • https://shastriratanchatterjee.com/ckfinder/userfiles/files/95557277922.pdfIn PDF document text
  • http://concilianavarra.com/userfiles/files/77441749133.pdfIn PDF document text
  • http://www.ramseier-appenzell.ch/elrada/js/ckfinder/userfiles/files/sijoxuvekisekukegavivoxu.pdfIn PDF document text
  • http://pensjonatagat.pl/userfiles/file/39498989397.pdfIn PDF document text
  • http://decoworld.in/dayafter/uploadimages/newsimages/file/43137786036.pdfIn PDF document text
  • https://www.revistadefiesta.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138275e87cd4---mavobilifumel.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d83470d5d0---49459489902.pdfIn PDF document text
  • https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/9b12f48cee2e891826eed18edca1dde6/jokupirukupe.pdfIn PDF document text
  • http://3handseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613cc1dcd0e49---89178968501.pdfIn PDF document text
  • https://akonis.ch/userfiles/files/92037894373.pdfIn PDF document text
  • https://vanphongphamhienluong.com/upload/files/mojuxedovarufu.pdfIn PDF document text
  • http://omniatel.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613715d136ba6---90103761000.pdfIn PDF document text
  • http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613e2b5859e3d---valafapipozewovadel.pdfIn PDF document text
  • https://idd.no/ckfinder/userfiles/files/dabuvomoripamize.pdfIn PDF document text
  • https://u-spot.biz/js/ckfinder/userfiles/files/83267194955.pdfIn PDF document text
  • http://around-sicily.net/userfiles/file/nawuvukix.pdfIn PDF document text
  • http://vimar.ua/userfiles/files/tosewiva.pdfIn PDF document text
  • http://nuovojob.com/userfiles/files/romudavikoparidak.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=bill+evans+my+foolish+heart+transcriptionPDF link annotation
  • http://alessandrotria.altervista.org/areap/ckfinder/userfiles/files/lixajemakikuzabo.pdfIn PDF document text
  • 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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