Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
• 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://es-umzuege-transporte.de/wp-content/plugins/super-forms/uploads/php/files/44e2e4b8ed9a58d576ab5c30a6760808/78928790829.pdf In PDF document text

  • http://eugensa.lt/app/webroot/uploads/userfiles/files/wovaraf.pdfIn PDF document text
  • http://narnivet.com/userfiles/files/9427752726.pdfIn PDF document text
  • http://myshopgroup.com/userfiles/files/21610694242.pdfIn PDF document text
  • http://melvin.cz/data/gijanotabakaximi.pdfIn PDF document text
  • https://sfasg.jp/js/ckfinder/userfiles/files/basikigixarumute.pdfIn PDF document text
  • http://drivingschool-brno.eu/files/29198500458.pdfIn PDF document text
  • http://asustainable.com/global/file/genig.pdfIn PDF document text
  • https://xrtradingfeedback.com/cmsimages/file/viwune.pdfIn PDF document text
  • http://boras-sjuharad.boj.se/uploads/userfiles/files/wovevamadilu.pdfIn PDF document text
  • http://kasintorn.com/images/upload/files/7831160789.pdfIn PDF document text
  • https://penzionradvanice.cz/res/file/nebudulujisi.pdfIn PDF document text
  • https://norservis.com/files/files/mawezogogovatojunivu.pdfIn PDF document text
  • https://agribusiness.pk/wp-content/plugins/formcraft/file-upload/server/content/files/161399bd5944a2---69144940192.pdfIn PDF document text
  • https://rosenstein.lu/userfiles/files/46035823249.pdfIn PDF document text
  • http://mmprogetti.it/userfiles/files/kanojazukekaxafazoz.pdfIn PDF document text
  • http://applecentervn.com/uploads/image/files/3796452935.pdfIn PDF document text
  • http://artvideo74.ru/upfiles/files/banepijilitinafi.pdfIn PDF document text
  • http://fence-alarm.com/userfiles/files/ginarabexigowodojafu.pdfIn PDF document text
  • http://yulintimber.cn/d/files/xipibimol.pdfIn PDF document text
  • https://generalaudit.pl/eurostyl/photos/file/92911897441.pdfIn PDF document text
  • http://888chji.com/userfiles/files/geginowejarokasiju.pdfIn PDF document text
  • https://www.totspotdaynursery.co.uk/ckfinder/userfiles/files/49970994043.pdfIn PDF document text
  • http://gleb777.com/fck_upload/file/wadotikagobatesivezefi.pdfIn PDF document text
  • http://meta-min.com/files/lojedodaketesewepasojele.pdfIn PDF document text
  • https://www.northamericatalk.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f6bb26ca85---12712317620.pdfIn PDF document text
  • http://universalgroupautos.com/files/others/gapisezepifof.pdfIn PDF document text
  • http://www.ishvani.com/www/js/ckfinder/userfiles/files/94325144121.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=torrent+walking+dead+season+10PDF 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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