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://cartolmania.it/file/78720984544.pdf In PDF document text

  • http://www.oschouston.com/osc/wp-content/plugins/formcraft/file-upload/server/content/files/1609a6bb5dceeb---21799513289.pdfIn PDF document text
  • https://thietbivesinhanhhuy.com/asset/files/nutajarunekisadavanujet.pdfIn PDF document text
  • http://principessavencanice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b64d8a4ce23---88068217697.pdfIn PDF document text
  • http://reiki-roots.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16093077cac74f---litomusipekosokiru.pdfIn PDF document text
  • http://kielcenoca.pl/files/file/81761257295.pdfIn PDF document text
  • http://nokianhakkablue.ru/ckfinder/userfiles/files/tonem.pdfIn PDF document text
  • https://absolut-fit-and-dance.de/wp-content/plugins/super-forms/uploads/php/files/premd42mmj8eakh2ko1nbhrth3/xubuxovufig.pdfIn PDF document text
  • https://arhometutor.com/userfiles/file/34833042814.pdfIn PDF document text
  • http://klinok-saintp.ru/files/13417331017.pdfIn PDF document text
  • http://fini.hu/userfiles/file/99435554382.pdfIn PDF document text
  • http://cps-mbstu.edu.bd/app/webroot/js/ckfinder/userfiles/files/81797653852.pdfIn PDF document text
  • http://www.auditsi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a56c8fa7d04---92319950044.pdfIn PDF document text
  • http://toyotarentcar.net/FileData/ckfinder/files/20210727_B8CBA84907D07018.pdfIn PDF document text
  • https://bayardplaza.co.uk/wp-content/plugins/super-forms/uploads/php/files/70uqtuoqjokktm3rq2f5vtae9b/33348240811.pdfIn PDF document text
  • https://ratsimae.ee/media/contents/file/71705827675.pdfIn PDF document text
  • https://www.citysecurity.org.uk/wp-content/plugins/super-forms/uploads/php/files/v0o9rm1t6o0t354npsdug8f295/70669697722.pdfIn PDF document text
  • http://sushrutproctology.org/ckfinder/userfiles/files/gokolo.pdfIn PDF document text
  • http://xingyeknitting.com/userfiles/files/lorodi.pdfIn PDF document text
  • https://drmiamiconnect.com/wp-content/plugins/super-forms/uploads/php/files/16282707f1ab920d28d7c531a25c2631/fuvekinuzixik.pdfIn PDF document text
  • https://g-ortho.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b6ab8d47a69---78792401920.pdfIn PDF document text
  • https://www.okcfarmersmarket.com/wp-content/plugins/super-forms/uploads/php/files/aca524d247d444bf4a9dc7ba14493090/72066584010.pdfIn PDF document text
  • https://singaporenotarypublic.com/wp-content/plugins/super-forms/uploads/php/files/591781e16e8a5984071e719294c37507/kulafodalunaku.pdfIn PDF document text
  • https://idfusionllc.com/wp-content/plugins/super-forms/uploads/php/files/c5f908ec8c8276033263821649be0148/52473640133.pdfIn PDF document text
  • https://parisautotravel.com/wp-content/plugins/super-forms/uploads/php/files/buj6gp9bv80qlfoh9vekbtgp14/diduremetotifu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=paffoni+blu+pdfPDF 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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