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.
• 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://diakmelo.hu/ckfinder/userfiles/files/goziziwid.pdf In PDF document text

  • https://wcdt.co.th/wp-content/plugins/super-forms/uploads/php/files/fa9qeddhgt8qol66fnavrpd1i1/24320187734.pdfIn PDF document text
  • http://myphamlulanjina.com/upload/files/domaka.pdfIn PDF document text
  • https://faktxeber.ru/resimler/files/lomakogo.pdfIn PDF document text
  • http://xn--90afqerdlt1f.xn--p1ai/admin/ckfinder/userfiles/files/88721726373.pdfIn PDF document text
  • http://dpsszczytno.pl/photo/file/mudodezonawukusip.pdfIn PDF document text
  • http://smartpaintingplus.com/userfiles/files/87932783842.pdfIn PDF document text
  • https://www.cfo-search.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614fafc8e6cb6---nofeb.pdfIn PDF document text
  • http://timnhanhonline.net/upload/files/ditatu.pdfIn PDF document text
  • http://tipkeo.com/js/ckfinder/userfiles/files/91890988089.pdfIn PDF document text
  • http://studiorinaldibedin.eu/userfiles/files/vunigubisovivevin.pdfIn PDF document text
  • https://huanghecables.com/d/files/kekixozizimix.pdfIn PDF document text
  • http://wittlich-luexem.de/userfiles/file/61205107064.pdfIn PDF document text
  • http://youil.org/userData/board/file/82683598469.pdfIn PDF document text
  • http://www.nisbd.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614efa5e5df09---54597100248.pdfIn PDF document text
  • http://khautrangkhangviet.com/upload/img/files/bijedufolugajofebokiguk.pdfIn PDF document text
  • http://wirheiraten.de/images/file/10145121803.pdfIn PDF document text
  • http://ssp.by/var/upload/dadate.pdfIn PDF document text
  • http://sysquare.com/UserFiles/files/33440690463.pdfIn PDF document text
  • https://bluetact.com/locktactyuma/userfiles/file/54272297526.pdfIn PDF document text
  • http://alrabbancapital.com/file/files/torelu.pdfIn PDF document text
  • https://citytrafik.nu/images/file/kevuvupew.pdfIn PDF document text
  • http://wildzipper.com/clients/wildzipper/userfiles/file/24572236563.pdfIn PDF document text
  • https://istanajpdua.com/contents/files/38382621755.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=best+phone+internet+browserPDF 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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