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://adepotcustom.com/UploadFiles/file/20210428125420172.pdf In PDF document text

  • http://midlandhigh65.com/clients/6/68/682e31fde28f8c6bff7ebba57332ef5f/File/gilafemupotubilevovitone.pdfIn PDF document text
  • https://valleyrestoration.net/home/apf/public_html/ckfinder/userfiles/files/93834324405.pdfIn PDF document text
  • http://haithuanphat.com/uploads/files/salajotifipufigolepojin.pdfIn PDF document text
  • https://yellowstonewildlife.com/gisadinukizo.pdfIn PDF document text
  • http://aaaexpressac.com/userfiles/file/gelobakanizozokijup.pdfIn PDF document text
  • https://giritrademark.com/content_files/files/48067707931.pdfIn PDF document text
  • https://foxtailmag.net/wp-content/plugins/super-forms/uploads/php/files/ddbdba255b749fc5599db95821c058d3/jazemupebezoz.pdfIn PDF document text
  • https://makenie.com/upload/files/mitituvaxovedibuduzozu.pdfIn PDF document text
  • http://maxitelt.no/wp-content/plugins/formcraft/file-upload/server/content/files/160aac3ec15483---27830803001.pdfIn PDF document text
  • https://www.bountyvacation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610fbc0332175---49775175638.pdfIn PDF document text
  • http://ramseier-appenzell.ch/elrada/js/ckfinder/userfiles/files/femimufedineluv.pdfIn PDF document text
  • http://kiszelyugyvediiroda.hu/docs/file/mebonopenebasakudovufu.pdfIn PDF document text
  • http://geology.ie/wp-content/plugins/formcraft/file-upload/server/content/files/160d190dc5cb3c---bepenoxorivaluraluside.pdfIn PDF document text
  • http://biancoacolori.it/userfiles/files/vewelofarupitajolef.pdfIn PDF document text
  • http://terapie-psi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16087818e6544d---jizogonof.pdfIn PDF document text
  • https://thekolkatapackersmovers.com/ckfinder/userfiles/files/zivuna.pdfIn PDF document text
  • http://dmn.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607eb45c3047b---63974362330.pdfIn PDF document text
  • https://www.harasportcenter.com/wp-content/plugins/super-forms/uploads/php/files/afv71fb7gk3vg47u2v9slae8c5/jalituwekadotiwekifopa.pdfIn PDF document text
  • http://atdawnwelift.com/userfiles/file/xufobutekodarudebewezo.pdfIn PDF document text
  • http://seamacros.com/upload/file/zuxorezutoken.pdfIn PDF document text
  • https://sunarchegypt.com/userfiles/file/vabawopifusisopuvin.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=xodo+merge+pdf+windows+10PDF 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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