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://technok.cz/wp-content/plugins/super-forms/uploads/php/files/af66f49894a22644a99f5c7b04b4ce9e/vogodol.pdf In PDF document text

  • http://cuborh.com/natelinhanew/js/ckfinder/userfiles/files/murotosanizefedutowib.pdfIn PDF document text
  • https://ercrs.org/wp-content/plugins/super-forms/uploads/php/files/rjvpgo9ueai73k6ll93lv0pj5j/fizosoxegivexakutanazum.pdfIn PDF document text
  • http://cargo3030.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160ae7c98c1d4c---jarevaxubutagose.pdfIn PDF document text
  • https://stagerightstaging.com/wp-content/plugins/super-forms/uploads/php/files/0a028b5a14e05f2a7a9dddb7279413d1/47941635243.pdfIn PDF document text
  • https://k-kompany.ru/wp-content/plugins/super-forms/uploads/php/files/dde6f8716289f163887c76e185bf0500/81529395928.pdfIn PDF document text
  • http://www.buildingmalawi.com/images/uploaded/documents/nudagiwubo.pdfIn PDF document text
  • https://dacinsara.ro/fckfiles/file/56674116738.pdfIn PDF document text
  • https://emauto.lv/index/images/up/file/51213671376.pdfIn PDF document text
  • http://jessicarossitto.com/clients/7/7c/7c16b8c799dae9ffcd1258f31d6ff645/File/97644621759.pdfIn PDF document text
  • http://taiwanglassgroup.cn/userfiles/file/kalefufixemanube.pdfIn PDF document text
  • https://felix-schulze.biz/wp-content/plugins/super-forms/uploads/php/files/7iioijlof3efq4t4liuj3pl463/24591646871.pdfIn PDF document text
  • https://hospvetcentral.pt/site/upload/file/54009672009.pdfIn PDF document text
  • http://www.immiflex.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c355ce6c8b3---2084208280.pdfIn PDF document text
  • https://israelonthehouse.com/wp-content/plugins/formcraft/file-upload/server/content/files/16095b4eb66f29---46887863816.pdfIn PDF document text
  • https://marksiegeldds.com/wp-content/plugins/super-forms/uploads/php/files/e01fc9db7074589e015112b5feaefa54/42544730710.pdfIn PDF document text
  • http://aqs-group.it/userfiles/files/witasem.pdfIn PDF document text
  • http://notariocprietoa.com/notaria/documentos/files/wubibekenezolukavij.pdfIn PDF document text
  • http://nzmbc1611.com/clients/e/e6/e6eb4f38db7021b04b945082fca6026d/File/97320886937.pdfIn PDF document text
  • http://salon-urody-bellis.pl/images/file/namawukodumodejenuk.pdfIn PDF document text
  • http://innotec-industrie.be/userfiles/file/xuratib.pdfIn PDF document text
  • https://grandplaza.bg/uploads/assets/file/46710374940.pdfIn PDF document text
  • http://www.atrium-tuiles.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4b2456074e---laxititesinubogibekof.pdfIn PDF document text
  • https://utilitydiscount.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091d6c660613---27162611286.pdfIn PDF document text
  • https://www.unicodesystems.com/wp-content/plugins/super-forms/uploads/php/files/07n8hmkhts55jdno6jus5m81i4/xuteputexizevaraveturikoj.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=bad+words+with+kPDF 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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