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://medvor.ru/uplcv?utm_term=2+skype+accounts+gleichzeitig+android PDF link annotation

  • https://gujaratisamajparis.org/upload/files/duxubibuxebupan.pdfIn PDF document text
  • https://www.frontieregypt.com/sites/all/libraries/ckfinder/userfiles/files/buwubamomuzarakolesibinu.pdfIn PDF document text
  • http://jinwoosmc.com/userfiles/file/juribazejivulot.pdfIn PDF document text
  • http://nova-auto.com/upload/zowebonuxutigenowuzaf.pdfIn PDF document text
  • http://nct-vn.com/userfiles/file/dukibelunexogewunaxide.pdfIn PDF document text
  • http://nzozkrowodrza.pl/uploads/editor/file/fikonosuvawenexasufuvi.pdfIn PDF document text
  • http://lotuscourtpune.com/wp-content/plugins/super-forms/uploads/php/files/5174cf39e48adb35322b476b63df6b84/malovumuxakijan.pdfIn PDF document text
  • http://www.xn----9sbkvfu2aex3d.xn--p1ai/ckfinder/userfiles/files/12659206501.pdfIn PDF document text
  • http://tufaghanafc.com/js/ckfinder/userfiles/files/95513855530.pdfIn PDF document text
  • http://ymmicro.com/files/files/37368835245.pdfIn PDF document text
  • http://saluteebenesseresas.it/userfiles/files/62620361796.pdfIn PDF document text
  • https://greenbins.ca/ckfinder/userfiles/files/64882741295.pdfIn PDF document text
  • http://panda-es.tokyo/yamituki-n/uploads/files/mukazemofaruriki.pdfIn PDF document text
  • https://riverasphotovideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a0d74b90f6---dikaraki.pdfIn PDF document text
  • http://harlit.com/upfiles/file/xenaxesisakofuriz.pdfIn PDF document text
  • http://www.stockholmswingallstars.com/wp-content/plugins/formcraft/file-upload/server/content/files/16144b8a75b408---bezudevefimifuvedil.pdfIn PDF document text
  • https://acavacecio.it/userfiles/files/29196383570.pdfIn PDF document text
  • http://xn--sanitrprofi-p8a.ch/fckeditor/editor/images/file/ruzivedarijodelikod.pdfIn PDF document text
  • http://lynhuagiasi.com/Images_upload/files/11057584808.pdfIn PDF document text
  • https://neoville.ru/wp-content/plugins/super-forms/uploads/php/files/d3ebdf9356906c06dbc4c5126e23ea9a/65632358174.pdfIn PDF document text
  • http://studiovalentini.eu/userfiles/files/jumek.pdfIn PDF document text
  • http://odnoklassniki-files.ru/images/uploads/files/zejupi.pdfIn PDF document text
  • https://drakbera.com/ckeditor/ckfinder/userfiles/files/74850946162.pdfIn PDF document text
  • https://pet-fashion.ro/mm/file/9681005532.pdfIn PDF document text
  • https://himalayanespresso.com/espresso_ckfinder/userfiles/files/jorezowetopi.pdfIn PDF document text
  • https://bisnismedsos.com/userfiles/file/gubupobilomojorapuvoso.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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