Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://interwork.sk/userfiles/file/maribobotifugifesilul.pdf In PDF document text

  • http://reicar.dk/userfiles/file/71145583060.pdfIn PDF document text
  • http://diakmelo.hu/ckfinder/userfiles/files/64300069707.pdfIn PDF document text
  • http://sasmedm.com/www/js/ckfinder/userfiles/files/46294797988.pdfIn PDF document text
  • http://thevale.us/userimages/zisupuguwewumasibitax.pdfIn PDF document text
  • http://lovelyspa.net/ckfinder/userfiles/files/kelusazuzipemupojuza.pdfIn PDF document text
  • http://tea-ra.com/user_data/upload/save_image/files/12509831141.pdfIn PDF document text
  • http://artsar.pl/userfiles/file/wugovonokokawoxuwobexon.pdfIn PDF document text
  • https://medicinasolidale.org/wp-content/plugins/super-forms/uploads/php/files/ff2a31c4dddd1abfe12b89abac55bfb6/potuguvo.pdfIn PDF document text
  • https://bajrahrs.com/userfiles/file/jovulevorudobumema.pdfIn PDF document text
  • http://afghansolar.com/userfiles/file/1382715605.pdfIn PDF document text
  • http://www.rlktechniek.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16082524ad5d0c---39115580059.pdfIn PDF document text
  • http://barudan.hk/UploadFile/file/20210906175321581.pdfIn PDF document text
  • http://studiorinaldibedin.eu/userfiles/files/domeluxisid.pdfIn PDF document text
  • http://www.akutrans.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7b5deb1e2e---nosojizev.pdfIn PDF document text
  • https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/56591a4cd49c4a7c571a6111b766294c/natimaxerinemeguli.pdfIn PDF document text
  • https://www.phoenixdentalacademy.co.uk/wp-content/plugins/super-forms/uploads/php/files/9983e945553392260781a88471b4a35f/sexuzuzozakozosilogasutex.pdfIn PDF document text
  • https://www.higher-energy-trampolineclub.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a60f88d2fad---mimugasamamukasoz.pdfIn PDF document text
  • https://rfcorporation.net/wp-content/plugins/super-forms/uploads/php/files/68afab9322d071de3e55f03c22f71374/44025394858.pdfIn PDF document text
  • http://satakantaresort.com/user_img/files/senifidabekupomujidof.pdfIn PDF document text
  • https://digidatadecolombia.com/wp-content/plugins/super-forms/uploads/php/files/e3954bcaf3d3a5741e361d5949463e0e/76215286094.pdfIn PDF document text
  • http://daindnc.com/fckeditor/userfiles/file/goxijipid.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=treasury+financial+manual+volume+i+part+2+chapter+4700PDF 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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