Malicious PDF — malware analysis report

Heuristics 8

• 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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://studioguatta.it/userfiles/files/vowulodaxu.pdf In PDF document text

  • http://www.ponderosafestival.com/wp-content/plugins/formcraft/file-upload/server/content/files/161437fb89bb07---demuzutavilu.pdfIn PDF document text
  • http://falcon.dk/sites/default/files/webfm/nikikizowexilezofakes.pdfIn PDF document text
  • http://avanti.pl/userfiles/file/lexifape.pdfIn PDF document text
  • http://npi-management.fr/ressource/site-image/files/21786418324.pdfIn PDF document text
  • http://webmba.fr/client/logo/file/majufusekotupafatuw.pdfIn PDF document text
  • http://1-cities.com/blog_images/blog_/file/xowixizunugiwedegakaz.pdfIn PDF document text
  • http://urgentcarepb.com/userfiles/file/tifanawilavesageguz.pdfIn PDF document text
  • https://cncostruzioni.com/userfiles/file/81011020169.pdfIn PDF document text
  • https://safetyhanoi.baohohoanglong.com/userfiles/file/futuxugizaxegabupo.pdfIn PDF document text
  • https://agro-zavod.ru/app/webroot/js/ckfinder/userfiles/files/jobofomuw.pdfIn PDF document text
  • https://perleyparish.org/wp-content/plugins/super-forms/uploads/php/files/91bca6f17e131842644bc25eae50eaa8/xokanuja.pdfIn PDF document text
  • http://kortennis.co.kr/B/ck/ckfinder/userfiles/files/49817675147.pdfIn PDF document text
  • https://www.auditek.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16158850747fd6---degubojexobegotepagik.pdfIn PDF document text
  • https://anthonygillant.com/userfiles/file/38868400578.pdfIn PDF document text
  • http://warwick-ems.org/userfiles/file/dufipi.pdfIn PDF document text
  • https://eurouniversal.eu/ckfinder/userfiles/files/3949352937.pdfIn PDF document text
  • http://tractortools.cz/ckfinder/userfiles/files/pegidenupikaviwajopobawit.pdfIn PDF document text
  • http://xn----dtbsgbucafmmaf.xn--p1ai/servimages/editor/files/10885827585.pdfIn PDF document text
  • https://kaparatt.com/images/File/78592171201.pdfIn PDF document text
  • http://kaupa.cz/userfiles/file/57748176372.pdfIn PDF document text
  • http://website-design-company.in/dev3/damodar/ckfinder/core/connector/php/userfiles/files/puvenuboxipara.pdfIn PDF document text
  • https://nada70.org/userfiles/file/murofudijafo.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=foreign+trade+multiplierPDF 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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