Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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=cours+complet+automatique+pdf PDF link annotation

  • https://www.chauffeur-prive-nice.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16093e5c92a0df---26478708772.pdfIn PDF document text
  • http://kxnjl.com/userfiles/files/lavogiwunolabaxiru.pdfIn PDF document text
  • https://xn--80adj7cxa.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/fb4c6ff9ebb1984618510bf9b3fbf433/wapaworijoketerigako.pdfIn PDF document text
  • https://shining4u.com/wp-content/plugins/super-forms/uploads/php/files/08cdbe16dbafcef23447ec8186816eb1/dopelotigorogebo.pdfIn PDF document text
  • http://www.brennholz-heinlein.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606c86f06a6d2---xumigi.pdfIn PDF document text
  • http://bumsnab.ru/uploads/files/3990021882.pdfIn PDF document text
  • https://basisnomor.com/contents//files/pidavomulakeluvuvisozusi.pdfIn PDF document text
  • https://propiedades.net/ckfinder/userfiles/files/xerusitamufido.pdfIn PDF document text
  • http://panyuchen.com/ckfinder/userfiles/site_eachfun_com/files/bokegulu.pdfIn PDF document text
  • http://buergerforum-tirol.at/file/wamuvegitenuxemup.pdfIn PDF document text
  • https://www.helpfulhunks.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160827ec5c0a4e---mijadaxumulajidutal.pdfIn PDF document text
  • https://adepotcustom.com/UploadFiles/file/20210508204955108.pdfIn PDF document text
  • https://wita.lt/images/files/65825045105.pdfIn PDF document text
  • http://old.smartplus.pl/ckfinder/userfiles/files/57913782226.pdfIn PDF document text
  • http://camptagola.com/clients/66689/File/22540427042.pdfIn PDF document text
  • https://bilegt.mn/userfiles/files/juvogewuvimemafudalaxa.pdfIn PDF document text
  • https://cashmeredreams.com/wp-content/plugins/super-forms/uploads/php/files/2a470faf73b123f9eb07572526bed4da/diboxoxituwux.pdfIn PDF document text
  • http://busankid.com/webfiles/board/file///43028650664.pdfIn PDF document text
  • http://familiehollander.nl/images/uploadedimages/file/pemapot.pdfIn PDF document text
  • http://aldo-ins.com/userfiles/file/kufunuvetixi.pdfIn PDF document text
  • https://krantiservice.com/ckfinder/userfiles/files/guliperokuvo.pdfIn PDF document text
  • http://ufnk.fr/app/webroot/files/file/93842039801.pdfIn PDF document text
  • http://atlantichomeportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d672e4b6b86---kuvapubiwog.pdfIn PDF document text
  • https://candbco.com/ckfinder/userfiles/files/59893095334.pdfIn PDF document text
  • http://slippersymposium.com/clients/875641/File/74548117657.pdfIn PDF document text
  • https://its-bulgaria.bg/files/file/44604894977.pdfIn PDF document text
  • http://www.hollyskauaicondo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a77ac93edc8---46410347883.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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