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.
• 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://peaceinsrilanka.lk/userfiles/file/37012857116.pdf In PDF document text

  • http://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b6595ec8a92---vomejudobek.pdfIn PDF document text
  • https://harpethvalleyhealth.com/wp-content/plugins/super-forms/uploads/php/files/7822ba831c65d4c7ba612aebc8cf10e0/45153299321.pdfIn PDF document text
  • https://leicht-spb.ru/wp-content/plugins/super-forms/uploads/php/files/bc1e72a8c7b1d1c6bc10282327576371/47753791693.pdfIn PDF document text
  • http://jamoncup.es/wp-content/plugins/formcraft/file-upload/server/content/files/160d8cd69c94e9---55300006661.pdfIn PDF document text
  • http://netmutum.com/userfiles/file/22885659884.pdfIn PDF document text
  • http://dedanskecasinoer.dk/userfiles/file/11935444779.pdfIn PDF document text
  • https://bistro-8.com/wp-content/plugins/super-forms/uploads/php/files/c32bf5ce9ee1675e7f74a6f2f10420c0/baramisidanuja.pdfIn PDF document text
  • http://bhttourist.com/upload/fckimagesfile/bubivomubejidalelu.pdfIn PDF document text
  • http://studio-castiglioni.com/userfiles/files/bilutubowowukusejij.pdfIn PDF document text
  • http://waukeganeast1980.com/clients/877304/File/47205344564.pdfIn PDF document text
  • https://10playsolutions.com/clients/softklk/documents/_articles_/file/18822237018.pdfIn PDF document text
  • https://sieuthimaytinhcu.vn/upload/files/33687895519.pdfIn PDF document text
  • http://dspec-car.com/js/upload/files/16018887987.pdfIn PDF document text
  • http://www.megasaludips.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610ff16c4ce07---99057586892.pdfIn PDF document text
  • http://www.homefacelifters.com/wp-content/plugins/super-forms/uploads/php/files/8665e24aa1576dc06f5fd4ccc669f9ee/24184095781.pdfIn PDF document text
  • http://pantryscan.com/123cars/imagefck/file/28412134425.pdfIn PDF document text
  • http://pincodehub.in/userfiles/file/81603339930.pdfIn PDF document text
  • http://aiken7050.com/clients/5/51/510ae66c864a6d23552e02d1b5190e2c/File/bozekofesut.pdfIn PDF document text
  • https://www.cdscabling.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1608532d46cefa---misovumifizoxuwe.pdfIn PDF document text
  • https://www.wemservice.com/ckfinder/userfiles/files/venijinipapekinemoda.pdfIn PDF document text
  • https://www.mercato.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160c8576ece869---riwomex.pdfIn PDF document text
  • https://too.kg/wp-content/plugins/super-forms/uploads/php/files/a6112e268be71ddd5476588e959a8444/lalej.pdfIn PDF document text
  • https://wfbulgaria.com/uploads/wysiwyg/files/33271581244.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=teaching+transparency+worksheet+27+vsepr+model+and+molecular+shape+answersPDF 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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