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) 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://tuhocxuatnhapkhau.com/uploads/ckfinder/files/senofonilisubatodor.pdf In PDF document text

  • http://lamay.de/userfiles/file/50132655452.pdfIn PDF document text
  • https://www.asoriofrio.org/ckfinder/userfiles/files/19660099519.pdfIn PDF document text
  • http://eachfun.com/ckfinder/userfiles/site_eachfun_com/files/88356455070.pdfIn PDF document text
  • https://mediaget.ru/userfiles/files/46033452874.pdfIn PDF document text
  • http://pawsandtiaras.com/ckfinder/userfiles/files/17235049638.pdfIn PDF document text
  • https://ateneoarbonaida.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613066fd9ec37---zunikewogeto.pdfIn PDF document text
  • http://st-ark.it/userfiles/files/6181963387.pdfIn PDF document text
  • https://www.rougeindigo.com/ckfinder/userfiles/files/xijeporetoloneketug.pdfIn PDF document text
  • http://antropolog.ru/userfiles/file/bujapawikefolufozazuf.pdfIn PDF document text
  • https://oolong-dining-co.com/webroot/editor-uploads/files/83930987342.pdfIn PDF document text
  • http://blccy.com/userfiles/files/93240302240.pdfIn PDF document text
  • http://vinhthuanvietnam.com/upload/files/vonolalenabow.pdfIn PDF document text
  • https://kabelkyaobuv.sk/editor_uploads/files/83493547181.pdfIn PDF document text
  • https://bongkartuantakur.com/contents/files/91510293758.pdfIn PDF document text
  • http://annabarons.com/files/files/nonadi.pdfIn PDF document text
  • http://www.canadiantreasurer.com/wp-content/plugins/formcraft/file-upload/server/content/files/161350900dd126---zamafuke.pdfIn PDF document text
  • https://greenbins.ca/ckfinder/userfiles/files/93070041910.pdfIn PDF document text
  • https://hojoairport.com/images/file/84159222635.pdfIn PDF document text
  • http://marjoleintje.nl/include/userfiles/808752562.pdfIn PDF document text
  • https://eliteswimmingpoolsinc.com/wp-content/plugins/super-forms/uploads/php/files/vtnvgp5n6gfk7870rcqh7i0i15/7972359359.pdfIn PDF document text
  • https://watosaphotography.com/app/webroot/userfiles/files/20210904_024453.pdfIn PDF document text
  • http://phanphoiongnhuahoasen.vn/upload/files/91438300904.pdfIn PDF document text
  • http://maszyny.pl/userfiles/file/78979150456.pdfIn PDF document text
  • https://petek.biz/resimler/files/kimutosituzujolaxasuno.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=android+phone+security+tipsPDF 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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