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://xn--b1agpbmdtf.xn--p1ai/upload/file/83463537799.pdf In PDF document text

  • https://eyetracking.pl/userfiles/file/zulifobimosad.pdfIn PDF document text
  • http://airconbank.com/upload/fckeditor/file/72306643332.pdfIn PDF document text
  • http://champagne-marc-chauvet.com/images/files/48044518560.pdfIn PDF document text
  • http://www.phonefixcomo.com/wp-content/plugins/formcraft/file-upload/server/content/files/161508ebd12972---62310454036.pdfIn PDF document text
  • http://nissanotogovap.net/uploads/images/files/9925349670.pdfIn PDF document text
  • https://quimicasorocolor.com.ve/ckfinder/userfiles/files/1033529973.pdfIn PDF document text
  • https://www.die-umzugsfabrik.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614acdf0e7a0f---xobaxodemizekidajijox.pdfIn PDF document text
  • https://el-tall.pl/pics/file/86969929248.pdfIn PDF document text
  • http://robalton.es/Albums/images/file///rukelo.pdfIn PDF document text
  • https://www.fecomerciomg.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/16157083ca05ac---65758440781.pdfIn PDF document text
  • http://cmrivestimenti.com/userfiles/files/bomofezuzujagilapuluf.pdfIn PDF document text
  • http://nenkin-t.com/upload_img/ck/files/mamazokemorunobewup.pdfIn PDF document text
  • http://www.louthadventures.ie/wp-content/plugins/formcraft/file-upload/server/content/files/16159a84392d80---75577814588.pdfIn PDF document text
  • https://dutchfansitenetwork.nl/ckfinder/userfiles/files/67375226008.pdfIn PDF document text
  • http://nuyewpilot.academy/wp-content/plugins/super-forms/uploads/php/files/b7488adace1c9c3bc79474fb32998aa8/lanotes.pdfIn PDF document text
  • http://creativetechno.in/userfiles/file/37777049529.pdfIn PDF document text
  • https://iphonerepairservice.nl/app/webroot/files/userfiles/files/gekiliwurunobo.pdfIn PDF document text
  • http://cp-tournament.org/ckfinder/userfiles/files/80493133410.pdfIn PDF document text
  • http://www.holzbau-hoelzl.at/wp-content/plugins/formcraft/file-upload/server/content/files/1615b6e85447b1---varuvizisuxazinazagiluv.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=either+will+doPDF 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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