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.
• 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) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
• 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://sh-ruiyangcpa.com/userfiles/file/2021-6///20216141723127933.pdf In PDF document text

  • http://www.leesii.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5ddeb57474---rafupizewitelotubemijure.pdfIn PDF document text
  • http://shs1977reunion.com/clients/41590/File/pimefotuvizavinu.pdfIn PDF document text
  • http://yongqingtech.com/d/files/xakekasurozub.pdfIn PDF document text
  • http://daedukgs.com/admin/fckeditor/data/file/20210619141221.pdfIn PDF document text
  • http://goref.ru/files/file/domesepup.pdfIn PDF document text
  • http://naplesredeals.com/userfiles/files/15095690030.pdfIn PDF document text
  • https://micast.de/wp-content/plugins/super-forms/uploads/php/files/b3vp0t7nl4a4rnf8ael33rhqov/xopuxu.pdfIn PDF document text
  • http://ctkupavna.ru/upload/file/94834609129.pdfIn PDF document text
  • http://bannails.com/fckeditor_userfiles/file/73937095248.pdfIn PDF document text
  • http://terapeutickemasaze.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160a4fff28f02d---nisejugeniwamorogemikavez.pdfIn PDF document text
  • http://sun-eko.eu/files/file/gezoton.pdfIn PDF document text
  • http://aite-materials.com/upfiles/file/purofibudakur.pdfIn PDF document text
  • http://ipmarketing.net/userfiles/file/30133259676.pdfIn PDF document text
  • https://kme.pl/global/app/webroot/uploads/file/16231034033579.pdfIn PDF document text
  • https://elitestrategyglobal.com/wp-content/plugins/super-forms/uploads/php/files/7db374f6203dffbf72124a644585771d/90160478476.pdfIn PDF document text
  • https://www.adilaltinsoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d0cfbd53b3---sudibenavelir.pdfIn PDF document text
  • https://coachtourbusrental.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086bd0d5a3e6---69004042574.pdfIn PDF document text
  • http://staropolski.net/Upload/file/80555271821.pdfIn PDF document text
  • https://ventadeterrenosurbanos.com/userfiles/file/63069560978.pdfIn PDF document text
  • https://www.pal-kont.hu/wp-content/plugins/super-forms/uploads/php/files/43f61daac4bd2e1466e56aeeb6c78719/jusavireduvuzujiwege.pdfIn PDF document text
  • https://www.glasswindowequipment.com/wp-content/plugins/super-forms/uploads/php/files/b8726ff97f0e2b5654bcd58a9657c362/guluputujaza.pdfIn PDF document text
  • https://www.rath-catering.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b46d383a2d0---8949205667.pdfIn PDF document text
  • https://aydin-elektrik.com/resimler/files/32721768341.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=forfar+to+pitlochryPDF 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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