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 https://crewmak.ru/uplcv?utm_term=verbal+reasoning+test+mcqs+pdf PDF link annotation

  • http://i-daa-wl.de/userfiles/25033648274.pdfIn PDF document text
  • https://glaze-metalart.com/upload/files/42299693235.pdfIn PDF document text
  • http://misosmile.com/upload/editor/files/62936100875.pdfIn PDF document text
  • https://vallejardin.com/wp-content/plugins/super-forms/uploads/php/files/4d16ac3ea74ff70ff0a262621f369c7e/25106929699.pdfIn PDF document text
  • http://hasomedia.com/userfiles/file/19354736443.pdfIn PDF document text
  • https://www.bouldersudbury.org/wp-content/plugins/formcraft/file-upload/server/content/files/160b7657c9bcb4---xixobus.pdfIn PDF document text
  • https://k2salight.com/wp-content/plugins/super-forms/uploads/php/files/e152e62d2f264d4c9ac4187477ee7a62/ramoxe.pdfIn PDF document text
  • https://windfreeklima.com/upload/ckfinder/files/nalub.pdfIn PDF document text
  • http://acsalma.hu/userfiles/files/18626353611.pdfIn PDF document text
  • http://malbreil.com/userfiles/file/reditegoxotudera.pdfIn PDF document text
  • http://vigova.com/Images_upload/files/megezetumujezedunixibomi.pdfIn PDF document text
  • http://konferencii.org/js/ckfinder/userfiles/files/31462155185.pdfIn PDF document text
  • http://rrmkaryacollege.org/rrmkarya/userfiles/file/29451499469.pdfIn PDF document text
  • http://www.golfusa.be/userfiles/files/sasebamukusozezizek.pdfIn PDF document text
  • https://temahr.hr/files/jotikakos.pdfIn PDF document text
  • http://bpsstudio.hu/uploads/remugofiwino.pdfIn PDF document text
  • http://ifa-astrologie.de/userfiles/file/xuxidotene.pdfIn PDF document text
  • https://northwestconvention.cz/data/files/kitoboxafifera.pdfIn PDF document text
  • https://heritagelogs.com/wp-content/plugins/super-forms/uploads/php/files/sqmkramq61pp1jpk1bc3tf8tfj/91564023165.pdfIn PDF document text
  • https://vallejardin.com/wp-content/plugins/super-forms/uploads/php/files/c1703430276da7e6218ce5bd6167e443/vafozibuvuxufigafa.pdfIn PDF document text
  • http://salondebellezaanamariaromero.es//ckfinder/userfiles/files/tofepafi.pdfIn PDF document text
  • http://bamt.be/wp-content/plugins/formcraft/file-upload/server/content/files/1608797b6a443c---jejijotoziloridazij.pdfIn PDF document text
  • http://pillshop.ru/uimg/files/21471833404.pdfIn PDF document text
  • http://www.infranetltd.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b61de126e0d---90992561200.pdfIn PDF document text
  • http://totoumi.jp/upload/file/7178604253.pdfIn PDF document text
  • https://tecsal.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a7ab197d83d---58489156338.pdfIn PDF document text
  • 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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