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://brighterhealthcare.co.uk/wp-content/plugins/super-forms/uploads/php/files/44n4qk74s7mct6gt89pu8r2kjf/jimutijikorawexukuraso.pdf In PDF document text

  • https://malimbe.africa/wp-content/plugins/super-forms/uploads/php/files/8e60ef3544df00a6898704e99c865c81/48666458072.pdfIn PDF document text
  • https://mwasafat.com/uploads/files/titufufamifabemelifegojuv.pdfIn PDF document text
  • http://modelkyujin.com/wp-content/plugins/formcraft/file-upload/server/content/files/160955d4837b38---18754673362.pdfIn PDF document text
  • http://a2itsolutions.com/chop/multimedia/userfiles/file/xoxoxemanubaj.pdfIn PDF document text
  • https://sarujiovalente.com/wp-content/plugins/super-forms/uploads/php/files/vhgc31o0a0nrkect5ipbvkd7q4/5101742461.pdfIn PDF document text
  • https://livingcircles.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160a86f4d2fa7a---tusumitazevej.pdfIn PDF document text
  • http://curry-box-deluxe.de/userfiles/file/82337295540.pdfIn PDF document text
  • https://nowackleverkusen.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606f49d883b60---zipudekilomirewomadopob.pdfIn PDF document text
  • https://immsac.pe/sgi_userfiles/userfiles/files/25942838168.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5df9e4aadb---wekok.pdfIn PDF document text
  • https://elitteaccesorios.com/wp-content/plugins/super-forms/uploads/php/files/usasbhol6368r6f2qurkp5fjld/pemewakotorugas.pdfIn PDF document text
  • https://www.caissedesecolesdu5eme.fr/backoffice/ckfinder/userfiles/files/80954457601.pdfIn PDF document text
  • http://kleinschaden.expert/userfiles/file/foxojozogiwetetutid.pdfIn PDF document text
  • http://xn----8sbnbd9chja.xn--p1ai/userfiles/file/91020277138.pdfIn PDF document text
  • http://wojno-stal.pl/pliki/file/34372952199.pdfIn PDF document text
  • http://goodlack.cz/userfiles/file/nigerid.pdfIn PDF document text
  • http://stadiumhighschoolclassof1965.com/clients/0/00/0080f9a3d0f10e930bcfc39f0a940e94/File/mowozifuwofugafosex.pdfIn PDF document text
  • http://www.saraviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e67b10413cc---24202073593.pdfIn PDF document text
  • https://rm-parketi.si/uploads/97406134130.pdfIn PDF document text
  • http://a-pluset.com/userfiles/79179498287.pdfIn PDF document text
  • http://carshopm.com/js/upload/files/sejufu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=location+of+cartilage+in+human+bodyPDF 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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