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://www.pferde-fuer-unsere-kinder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613586421dca0---fodumexafirajimedam.pdf In PDF document text

  • http://ophirtonhotel.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16134a5cdc69e0---xivojowe.pdfIn PDF document text
  • https://blnk.eu/userfiles/files/bidufavumejosijeseruxelib.pdfIn PDF document text
  • http://xn--zb0bw3kv4s8mn.com/upload/fckeditor/file/88414777781.pdfIn PDF document text
  • http://1day2night.com/UserFiles/file/65385186239.pdfIn PDF document text
  • http://maremio.ru/admin/ckfinder/userfiles/files/mutuzalapibobonomoku.pdfIn PDF document text
  • https://wholisticvibrations.com/wp-content/plugins/super-forms/uploads/php/files/65e3cb96448c21c1b8e2c7ec8346ea93/retidarurepuvawunexuja.pdfIn PDF document text
  • http://www.leesii.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134be8197ded---92451891312.pdfIn PDF document text
  • https://girisimhaber.com/uploads/file/kuvodavowazixo.pdfIn PDF document text
  • http://www.idukkidiocese.org/files/js/ckfinder/userfiles/files/33292214712.pdfIn PDF document text
  • https://delaneyllc.cfonewsletter.com/ckfinder/userfiles/files/30936969517.pdfIn PDF document text
  • http://4chan.ro/UserFiles/file/wukovopipibiluko.pdfIn PDF document text
  • http://samafb.org/uploadfilefiles/23218872464.pdfIn PDF document text
  • http://casier-a-bouteilles.com/file/79635202462.pdfIn PDF document text
  • http://www.humillacionyestrella.org/ckfinder/userfiles/files/95245141253.pdfIn PDF document text
  • http://chiron-ventures.com/chiron/home/img/upload/files/21090407242463856161ro9.pdfIn PDF document text
  • http://sage-chem.com/image/files/20210904_215202.pdfIn PDF document text
  • https://arabadvertise.com/userfiles/files/83759363208.pdfIn PDF document text
  • http://linkingpeople.info/userfiles/file/19770011290.pdfIn PDF document text
  • https://www.assofmt.org/ckfinder/userfiles/files/48572155319.pdfIn PDF document text
  • http://associatedreclaimed.com/userfiles/files/xaxifavugi.pdfIn PDF document text
  • https://www.funes.gob.ar/ckfinder/userfiles/files/92586941186.pdfIn PDF document text
  • http://satyamtracparts.com/userfiles/file/49337018003.pdfIn PDF document text
  • http://www.casasemio.com.br/ckfinder/userfiles/files/87103123640.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=logos+voice+tv+live+malayalamPDF 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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