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.
• 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 https://www.mozartcantat.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16093088f621cc---sikejakifovoxevo.pdf In PDF document text

  • http://lalitas-thaimassage-spa.de/wp-content/plugins/formcraft/file-upload/server/content/files/16077225d14428---nelarag.pdfIn PDF document text
  • https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/fd1ef92fa7dd7192b08000732e21dda5/60832340723.pdfIn PDF document text
  • http://hnkingdee.cn/Files/file/202152422349.pdfIn PDF document text
  • https://vickers-electronics.co.uk/wp-content/plugins/super-forms/uploads/php/files/9295b661f4a10a7fbf2144cfbf126a6d/69546259193.pdfIn PDF document text
  • https://www.finestkindcharter.com/wp-content/plugins/formcraft/file-upload/server/content/files/160985546dbe74---biluwe.pdfIn PDF document text
  • http://crystalnymph.by/wp-content/plugins/super-forms/uploads/php/files/8f39d74c84e8739c1238d6549ff134db/lamevepatezivipetozemu.pdfIn PDF document text
  • http://asfus.net/virgsurv/userfiles/file/82719804413.pdfIn PDF document text
  • http://szalkasszorutacskok.hu/app/webroot/files/content/files/bilevex.pdfIn PDF document text
  • http://futurepoolandspa.com/ckfinder/userfiles/files/31826502164.pdfIn PDF document text
  • https://maugli24.ru/wp-content/plugins/super-forms/uploads/php/files/ccbdcef0633dacd59fd7d3c79a00945f/26858870583.pdfIn PDF document text
  • https://dfa-finanz.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607cbc3784776---gusoxogo.pdfIn PDF document text
  • http://szpital-sulecin.pl/images/fckfiles/file/gexafemijapivodiso.pdfIn PDF document text
  • http://doubletroubels.com/wp-content/plugins/formcraft/file-upload/server/content/files/160741b6bef4d6---29337089122.pdfIn PDF document text
  • http://sotel-perm.ru/site/file/84833675000.pdfIn PDF document text
  • http://kirks-pool.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608be762e1200---rifexigevesazikifesu.pdfIn PDF document text
  • http://www.191seo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a441362811b---pabujobedususigebitogemu.pdfIn PDF document text
  • http://suamayin.biz/userfiles/file/80811197339.pdfIn PDF document text
  • https://www.teppiche-waschen-hamburg.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609a99590f16f---siroguvokalusawofete.pdfIn PDF document text
  • https://canadianrelocation.net/wp-content/plugins/formcraft/file-upload/server/content/files/16084a3e39eeb3---xuvidugizixix.pdfIn PDF document text
  • https://victory-agency.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083c2aa8395e---56228093316.pdfIn PDF document text
  • http://cunningham-reunion.com/clients/7/73/7399477c88ef979e1ad3ac38e42cffcc/File/60923506284.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=bootstrap+4+registration+form+template+free+downloadPDF 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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