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://crysiq.ru/uplcv?utm_term=watch+escape+room+123 PDF link annotation

  • http://carshopm.com/js/upload/files/26670901294.pdfIn PDF document text
  • http://antifftech.com/uploadfile/file///2021091204531759.pdfIn PDF document text
  • https://arab-hams.com/Ups/files/rutugimowetulub.pdfIn PDF document text
  • http://studiotecnicoprato.eu/userfiles/files/belatajidegaguveviwu.pdfIn PDF document text
  • https://ajambary.com/userfiles/file/75211033230.pdfIn PDF document text
  • http://usefchina.com/uploadfile/file///2021091519530167.pdfIn PDF document text
  • http://ccsctda.com/ckfinder/userfiles/files/20210904_000716.pdfIn PDF document text
  • http://novelinternationalschool.com/ckfinder/userfiles/files/rawatijetejagodimajegipe.pdfIn PDF document text
  • https://9ja-bet.com/userfiles/file/92462195918.pdfIn PDF document text
  • http://global-poseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133e16826ee4---40960398493.pdfIn PDF document text
  • http://gysanya.com/upload/file/2109051502552310366hrscnvdo827.pdfIn PDF document text
  • http://osteriadelcampanile.com/userfiles/files/gixejuterageteko.pdfIn PDF document text
  • http://timandlor.com/userfiles/file/61847685490.pdfIn PDF document text
  • http://satakantaresort.com/user_img/files/bugazewa.pdfIn PDF document text
  • https://hk-delight.com/UploadFiles/file/37443524153.pdfIn PDF document text
  • http://xn--80akij1ajew.xn--p1ai/wp-content/plugins/formcraft/file-upload/server/content/files/161398f5c5e81c---bopefetimasanapiwutitu.pdfIn PDF document text
  • http://njbeihang.com/uploadfile/file///2021091209490489.pdfIn PDF document text
  • https://wurstfargo.com/wp-content/plugins/super-forms/uploads/php/files/48fdc7ce4184abdffe349056af4b6dbe/posotejonorijelovukulanom.pdfIn PDF document text
  • http://boldogelet.hu/media/54618745136.pdfIn PDF document text
  • https://monarchwinemerchants.com/wp-content/plugins/super-forms/uploads/php/files/f5e7a2a90fc440c1e1c65cda6343e60e/lebojaruj.pdfIn PDF document text
  • http://entrackintl.com/uploads/87554222159.pdfIn PDF document text
  • http://pck.malopolska.pl/wp-content/plugins/super-forms/uploads/php/files/3fcb00b739178ebbd902ef5d1c116837/dikagin.pdfIn PDF document text
  • https://sapporopools.com/contents/files/35398136635.pdfIn PDF document text
  • http://cecev.com/stockages/files/14964202514.pdfIn PDF document text
  • http://master-br.ru/img/file/15990044621.pdfIn PDF document text
  • http://makesrealsense.com/ckfinder/userfiles/files/jofitifagexag.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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