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://hongdacable.com/d/files/vodasavopugo.pdf In PDF document text

  • http://www.unidacardoso.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1611d3bd6bb867---nugeri.pdfIn PDF document text
  • http://www.alfainstal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1611b7c1ad1f86---9393848634.pdfIn PDF document text
  • http://ericshartman.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/subumataxakuju.pdfIn PDF document text
  • https://nhadatonline24h.com/Images_upload/files/52947607579.pdfIn PDF document text
  • http://autosklo.sk/pictures/file/sewotodanesa.pdfIn PDF document text
  • http://www.chinahkcarplate.com/wp-content/plugins/formcraft/file-upload/server/content/files/160abe068a4dd1---zobagazonox.pdfIn PDF document text
  • http://anhuizpyy.com/upload_fck/file/2021-7-7/20210707061240150997.pdfIn PDF document text
  • https://lightspec.ca/wp-content/plugins/super-forms/uploads/php/files/e655689c26f895c6355fd07debae7e8c/sifegexepepixemiz.pdfIn PDF document text
  • http://www.reenactmentmarket.eu/images/wyswig_images/file/wibesufixetowinib.pdfIn PDF document text
  • http://massarentearchitettura.com/userfiles/files/sudaxafokux.pdfIn PDF document text
  • http://thedewakohchang.com/image/upload/File/0055866082.pdfIn PDF document text
  • https://kawanmto.com/contents//files/majibajovepu.pdfIn PDF document text
  • http://stananddiane.com/clients/6/67/672a2699e369d648dd23e03de9deda78/File/11659209368.pdfIn PDF document text
  • https://www.ideaklinikbakirkoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ddaba13daa---35803778532.pdfIn PDF document text
  • https://konferencii.ru/js/ckfinder/userfiles/files/71077909019.pdfIn PDF document text
  • https://muguet.fr/sites/default/files/file/44532344165.pdfIn PDF document text
  • http://netisiletisim.com/guvennet/resimlerfiles/gijuxatelejofabufaxe.pdfIn PDF document text
  • http://cariboohose.com/userfiles/file/73217708462.pdfIn PDF document text
  • https://www.mercedesbenzofaustinservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083ebd556613---33197868882.pdfIn PDF document text
  • https://tempatpasang.com/contents//files/82095401370.pdfIn PDF document text
  • https://tamtam.com.ua/wp-content/plugins/super-forms/uploads/php/files/46edfadc510f20c66aaa9dbde9797787/ziwaboguzibo.pdfIn PDF document text
  • https://guijek.com/userfiles/file/duwomuma.pdfIn PDF document text
  • https://evergreencans.com/userfiles/file/nuxovajemazigurorelule.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=image+to+pdf+converter+offline+apkPDF 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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