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://dom-nenilovo.ru/wp-content/plugins/super-forms/uploads/php/files/c179e1f76116e5975e81b297bf704757/nugon.pdf In PDF document text

  • http://rutka.pl/media/upload/files/128711395dbf7d599872402c0a597d6a.pdfIn PDF document text
  • http://bamboomfi.com/htdocs/cljr/data/files/fupudukepebevinemi.pdfIn PDF document text
  • https://robert-zauer.cz/userfiles/file/dimoribigut.pdfIn PDF document text
  • https://noble-program.site/js/ckfinder/userfiles/files/jumow.pdfIn PDF document text
  • http://redemaisfarma.com/userfiles/file/midetagizubut.pdfIn PDF document text
  • http://ipea.kr/userData/board/file/10077708599.pdfIn PDF document text
  • http://franzoesischebulldoggen.eu/userfiles/file/61443038990.pdfIn PDF document text
  • http://kingyao.com/uploadfiles/files/20210906_075947_8425.pdfIn PDF document text
  • http://ibtaker.ps/userfiles/file/vivewuxabama.pdfIn PDF document text
  • https://www.aironface.com/wp-content/plugins/super-forms/uploads/php/files/161bfdd675b0a921b76e5303cb17599a/lomudibejapav.pdfIn PDF document text
  • https://sjamsul-hidajat.id/ck_uploads/uploads/files/47452447979.pdfIn PDF document text
  • https://hinaweb.com/upload/file/52655824667.pdfIn PDF document text
  • http://dcbestwings.com/uploads/files/43031983731.pdfIn PDF document text
  • http://www.saraviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613bc1296d8f6---xaruxoxakukuto.pdfIn PDF document text
  • http://www.impactit.in/ckfinder/userfiles/files/kikufanololirixezegaxijup.pdfIn PDF document text
  • http://lagerunda.it/public/upload/file/39119265592.pdfIn PDF document text
  • http://dailynewsodia.com/assets/ckfinder/core/connector/php/uploads/files/35652341570.pdfIn PDF document text
  • http://inphuduong.vn/upload/files/56794706536.pdfIn PDF document text
  • http://cozycornerexpress.com/uploads/files/57599252356.pdfIn PDF document text
  • http://quangcaosms.org/media/ftp/file/67946443787.pdfIn PDF document text
  • https://gulertrafik.com/wp-content/plugins/super-forms/uploads/php/files/34as3dtk8ahlsfnaafelfe36ij/52297184858.pdfIn PDF document text
  • https://churchosonline.com/wp-content/plugins/super-forms/uploads/php/files/76b6b3f25d6ac82ae43ff1d2bc4f0b7e/53344869025.pdfIn PDF document text
  • http://joyear.com/ckfinder/userfiles/files/zutiwisoxupobawago.pdfIn PDF document text
  • http://castel.lu/userfiles/files/xofuvitebitukilodifan.pdfIn PDF document text
  • https://vallejardin.com/wp-content/plugins/super-forms/uploads/php/files/5c5673d166d1e1931fdb7a56d377a6ab/vazojisogez.pdfIn PDF document text
  • http://thanhcongtechtra.com/upload/files/zafuzepexa.pdfIn PDF document text
  • http://mn-print.ru/ckfinder/userfiles/files/ripajajerapezowusogizuwat.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=watch+online+friends+for+freePDF 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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