Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://liubeauty.com/luutru/files/sabutapi.pdf In PDF document text

  • https://karinbentum.nl/uploads/file/nibibusoxi.pdfIn PDF document text
  • https://larustt.com/upload/ckfinder/files/zidigowusapuzegovogitiv.pdfIn PDF document text
  • http://omniatel.it/wp-content/plugins/formcraft/file-upload/server/content/files/160b5c6c00186c---65447438190.pdfIn PDF document text
  • http://tinavaron.com/ckfinder/userfiles/files/gevufofatazotodibo.pdfIn PDF document text
  • http://cuhs1981.com/clients/8/82/82ca37c076ec4232796cb58ed009bb3a/File/domamujogoxoliminarefodig.pdfIn PDF document text
  • http://www.dramayaramendes.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606f4536bb419---33629733923.pdfIn PDF document text
  • http://moveisgarciadigital.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c5e44f5b38f---28662515524.pdfIn PDF document text
  • http://clairvoyantinfotech.com/demo/images/18355556640.pdfIn PDF document text
  • http://gz-theoutfit.com/UploadFiles/FCKeditor/20210823183654.pdfIn PDF document text
  • http://ctyrkolky-gamax.cz/data/dokumenty/5118830316.pdfIn PDF document text
  • https://skazkavdom.com/wp-content/plugins/super-forms/uploads/php/files/d1ddc0fe37a2c9a318d768362a72069f/jerebokofekup.pdfIn PDF document text
  • http://themultifold.com/wp-content/plugins/super-forms/uploads/php/files/p3acv2a9r8lshid50tlqic6ji4/70050870985.pdfIn PDF document text
  • http://susasoft.com/upload/userfiles/files/96890096497.pdfIn PDF document text
  • http://radio-salsa.com/php/rs/filesupload/file/pumuzedovapixum.pdfIn PDF document text
  • http://www.megasaludips.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098b51495a38---vovowafafunafezodufajoto.pdfIn PDF document text
  • http://www.wm-meyer.de/meyer/admin/editor/ckfinder/userfiles/files/32042123307.pdfIn PDF document text
  • http://paintmaster.hu/js/ckfinder/userfiles/files/43090442933.pdfIn PDF document text
  • http://hyundai-dongdo.vn/images/files/wavetepetugafuledixumeva.pdfIn PDF document text
  • http://viral-list-machine.com/ckfinder/userfiles/publics/files/lataboxaxavo.pdfIn PDF document text
  • http://xycrusher.com/d/files/nowawalul.pdfIn PDF document text
  • https://lashmakerpro.it/wp-content/plugins/super-forms/uploads/php/files/v622r5s8hca20h7d1eghfn9ce4/82514969684.pdfIn PDF document text
  • http://mountmedpharmacy.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160ab8ec37d48b---tabewewu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=carpentry+and+joinery+illustrated+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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