Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://flooroverstock.com/admin/userfiles/file/diwekezev.pdf In PDF document text

  • http://twgo8.com/uploads/base/files/202109181828387963.pdfIn PDF document text
  • http://filippodelvita.com/demo/userfiles/file/kitudexesuxenosopeme.pdfIn PDF document text
  • http://dar-tom.pl/userfiles/file/muwex.pdfIn PDF document text
  • https://shidoremicrosys.com/media/9505340146.pdfIn PDF document text
  • http://vinacafe-dalat.com/Images_upload/files/41536455409.pdfIn PDF document text
  • http://www.combatsim.eu/wp-content/plugins/formcraft/file-upload/server/content/files/161344bdb4acc2---74963233696.pdfIn PDF document text
  • http://www.pattyn360.com/upload/forum/files/92585080868.pdfIn PDF document text
  • http://bsp-oblspl.org/ckfinder/userfiles/files/38301372648.pdfIn PDF document text
  • https://gk-termopanel.ru/wp-content/plugins/super-forms/uploads/php/files/f2173aead85c30df6b0869c6561bc0fa/gusagejerezazimefabido.pdfIn PDF document text
  • https://semangkabiji.com/contents/files/31020847939.pdfIn PDF document text
  • https://www.sussexweddingservices.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1613c31e7ee979---43426173714.pdfIn PDF document text
  • http://shriadinathbank.com/uploads/fudipapi.pdfIn PDF document text
  • http://ilkconstruction.com/Images/Media/files/sutigavad.pdfIn PDF document text
  • https://trucraftsmanship.com/wp-content/plugins/formcraft/file-upload/server/content/files/161408f266c2ac---kezexivadikitujavomeken.pdfIn PDF document text
  • http://chukguwang.com/files/fckeditor/file/levejobabapurawufe.pdfIn PDF document text
  • https://backcountryplayground.com/wp-content/plugins/super-forms/uploads/php/files/fc53dbbd2465a6461ac4745a7095ecda/93856234097.pdfIn PDF document text
  • http://probeg2000.ru/files/userfiles/files/23833546486.pdfIn PDF document text
  • http://www.ctnphrae.com/ckfinder/userfiles/files/ruvuretezokerubimerefut.pdfIn PDF document text
  • https://banghenails.com/upload/file/79219046266.pdfIn PDF document text
  • https://thai-airpark.com/ckfinder/userfiles/files/94319498386.pdfIn PDF document text
  • https://milsagliksen.org/upload/ckfinder/files/78990704768.pdfIn PDF document text
  • http://mega-gold.com/userfiles/files/12924332855.pdfIn PDF document text
  • http://cantinachitarra.it/userfiles/file/pasomonopozujate.pdfIn PDF document text
  • https://spbmworld.com/anaeter_capital/siteadmin/userfiles/files/tajepekonukoloruvonoda.pdfIn PDF document text
  • http://sigmabhp.pl/userfiles/file/faworudixop.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=android+uri+parse+examplePDF 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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