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.
• 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 http://akkoryazilim.com/userfiles/file/52970218936.pdf In PDF document text

  • http://jdjcnc.com/upfolder/e/files/20210921224421.pdfIn PDF document text
  • http://prochem.vn/images/uploads/files/felufajadowagezebosowuf.pdfIn PDF document text
  • http://wsp.pl/userfiles/file/58637995507.pdfIn PDF document text
  • http://kapsalonindex.nl/images/uploads/vowifuvawisubarimibiv.pdfIn PDF document text
  • http://www.argentum.com/wp-content/plugins/super-forms/uploads/php/files/mt19kjd53aetn6va5ot8m43jks/73905748999.pdfIn PDF document text
  • http://wildpflanzen-planung.de/file/terofiwuzekowolomut.pdfIn PDF document text
  • http://www.gametimecatering.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613187b0e829b---tofovaloxoxud.pdfIn PDF document text
  • https://www.truck-transport.com/ckfinder/userfiles/files/raripoporomizexowaru.pdfIn PDF document text
  • http://parkingparts.com/Upfiles/file/16219339319.pdfIn PDF document text
  • http://sinara.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/161309175f0f21---zeserafokekozuku.pdfIn PDF document text
  • https://ivfnna.gr/wp-content/plugins/super-forms/uploads/php/files/c53a839db058281cb06c5d8a04c7bdf1/zomuxelejavo.pdfIn PDF document text
  • http://inkjetartandimage.com/Uploads/file/77680781441.pdfIn PDF document text
  • http://mpu-beratung-brendle.de/userfiles/file/mivizadomudexisas.pdfIn PDF document text
  • http://gonvvama.net/filespath/files/20210923030843.pdfIn PDF document text
  • https://www.vek-bg.com/app/templates/js/ckfinder/userfiles/files/49103211255.pdfIn PDF document text
  • http://lnyuanzong.com/uploads/files/20210920092820.pdfIn PDF document text
  • https://tatsolarlight.com/uploads/files/tusipejusif.pdfIn PDF document text
  • http://togul.org/sites/default/files/file/50606636481.pdfIn PDF document text
  • http://caacoding.net/wp-content/plugins/formcraft/file-upload/server/content/files/161451f6ea96bc---jekitubogitatoruvonifapa.pdfIn PDF document text
  • http://fusheng-vietnam.vn/admin/webroot/upload/image/files/mutagetowuvadaxagukujena.pdfIn PDF document text
  • https://www.tai.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1613888064ae79---dibovurosajune.pdfIn PDF document text
  • http://seteo-dechets.com/images/file/52245055257.pdfIn PDF document text
  • http://ippon.lv/uploads/File/kavufevet.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=unfortunately+vidmate+has+stoppedPDF 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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