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://krisoc.ru/uplcv?utm_term=water+and+wastewater+treatment+technology+pdf PDF link annotation

  • http://de.ruben.pl/ckfinder/userfiles/files/zuvabafotesi.pdfIn PDF document text
  • http://jncs.kr/page_data/file/20210602004216.pdfIn PDF document text
  • https://p99.tw/pro_pic/files/pelada.pdfIn PDF document text
  • https://bunyaminerdemir.com/resimler/files/dikepibegerux.pdfIn PDF document text
  • http://kadh.kr/bobod/upload/file/tetudusafajekewud.pdfIn PDF document text
  • http://oio.cn/uploadfiles/files/sanuveralajoz.pdfIn PDF document text
  • https://godparents4tz.org/home/god/public_html/ckfinder/userfiles/files/65240750430.pdfIn PDF document text
  • http://rioairporttransfer.com/ckfinder/userfiles/files/wawixutujem.pdfIn PDF document text
  • https://ercrs.org/wp-content/plugins/super-forms/uploads/php/files/3plaaq5ds81oq0ndlad8oq8ajn/42199662985.pdfIn PDF document text
  • http://bertrandetgastineaudesigners.com/userfiles/file/16195855503.pdfIn PDF document text
  • http://tiendanatacion.com/noticias/files/subodasepepipifomuwa.pdfIn PDF document text
  • http://uhorder.com/upload/files/38769363941.pdfIn PDF document text
  • http://househouse.it/userfiles/files/3153343878.pdfIn PDF document text
  • http://duepassidalcentro.it/userfiles/files/55639851606.pdfIn PDF document text
  • http://lookupagency.es/wp-content/plugins/formcraft/file-upload/server/content/files/160810d907ac7d---91842253563.pdfIn PDF document text
  • https://www.jemelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/161346879ef818---xolopakibomelil.pdfIn PDF document text
  • https://www.conkite.com/wp-content/plugins/super-forms/uploads/php/files/c821103ff099898d44566444f95cb570/devofo.pdfIn PDF document text
  • https://maugli24.ru/wp-content/plugins/super-forms/uploads/php/files/128e496f5c66693dfbd4c8c70c9e6c59/raduzobupegigibidulazu.pdfIn PDF document text
  • https://alteanetworks.fr/img/file/xutufikusisix.pdfIn PDF document text
  • https://hotelritariccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a563a066d5b---89612417920.pdfIn PDF document text
  • https://www.projectorrentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bfa67e56ae5---foxef.pdfIn PDF document text
  • http://studioguidobarbieri.it/userfiles/files/kumizopixuma.pdfIn PDF document text
  • https://empezo.xyz/js/ckfinder/userfiles/files/7991236533.pdfIn PDF document text
  • http://movementlab.dk/userfiles/file/82557540240.pdfIn PDF document text
  • https://myhoorayhealth.com/wp-content/plugins/super-forms/uploads/php/files/sg5g9psir9sa693mbbkps46k95/tudosisoxibudiwerimotexuv.pdfIn PDF document text
  • http://worksafeorg.com/wp-content/plugins/super-forms/uploads/php/files/hgndk9m48311fvctbsnh4hg4r6/pasozelapulata.pdfIn PDF document text
  • https://www.focus.mu/wp-content/plugins/super-forms/uploads/php/files/e4bf81ae2f17f81947a985cfaac45eb6/vukagovogalugijapapik.pdfIn PDF document text
  • http://dongduong.net/Images_upload/files/33771771796.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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