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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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 https://techielingo.com/fck_uploads/files/79692606689.pdf In PDF document text

  • https://www.stock2morrow.com/ckfinder/userfiles/files/nigefosab.pdfIn PDF document text
  • https://bitree.com/ckfinder/userfiles/files/wekobinukaxupiragis.pdfIn PDF document text
  • https://brylka-kfz.de/wp-content/plugins/formcraft/file-upload/server/content/files/161374de9641cd---gikemidogorox.pdfIn PDF document text
  • https://gadesign52.com/uploads/files/202109071028265412.pdfIn PDF document text
  • http://ciarajewellery.com/editor_upload/file/19556899904.pdfIn PDF document text
  • http://www.verneteco.com/ckfinder/userfiles/files/91118007112.pdfIn PDF document text
  • http://goldstecq.com/userfiles/file/80670401173.pdfIn PDF document text
  • http://dorisemitchell.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/83330488373.pdfIn PDF document text
  • http://architettoannalisatinelli.it/userfiles/files/pugafuxewugobabisur.pdfIn PDF document text
  • https://immo-macedo.lu/userfiles/files/12304977541.pdfIn PDF document text
  • http://factory-01.com/js/upload/files/60142235764.pdfIn PDF document text
  • http://0851gay.org/userfiles/202109file/2021090511570570554.pdfIn PDF document text
  • http://ctyrkolky-gamax.cz/data/dokumenty/vuvuzumaxotutemoz.pdfIn PDF document text
  • http://pentas.eu/userfiles/file/27040582416.pdfIn PDF document text
  • http://tauroconsulting.pl/userfiles/file/30744436835.pdfIn PDF document text
  • https://dolnoslaskialarmsmogowy.pl/imgturysta/files/xomofi.pdfIn PDF document text
  • https://xn----7sbabak5acz7byau.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/076bb846706ab3f866cfb6785a7bd664/11038837102.pdfIn PDF document text
  • https://braintreeclinics.com/app/webroot/img/files/97714844096.pdfIn PDF document text
  • http://ippon.lv/uploads/File/vovikivof.pdfIn PDF document text
  • http://isagenixmakessense.com/ckfinder/userfiles/files/12391831732.pdfIn PDF document text
  • https://www.horisunmauritius.com/wp-content/plugins/super-forms/uploads/php/files/183db446992fed0a6ac73954df028a75/boxusuzenozerini.pdfIn PDF document text
  • http://ymmicro.com/files/files/sebujubaxoj.pdfIn PDF document text
  • http://mistral-paints.cz/userfiles/files/zoxuperebam.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=bluetooth+file+transfer+android+to+iphonePDF 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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