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 https://garglob.ru/uplcv?utm_term=instalar+whatsapp+para+android PDF link annotation

  • http://amwordpress.org/wp-content/plugins/formcraft/file-upload/server/content/files/1612f3475be737---87675834215.pdfIn PDF document text
  • https://goldengrowers.com/wp-content/plugins/super-forms/uploads/php/files/a731c2a14f63c69f0cf202e9cca2891b/wemudumakigode.pdfIn PDF document text
  • http://clarklawtexas.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/42625146046.pdfIn PDF document text
  • http://ipceurope.be/assets/file/97588193396.pdfIn PDF document text
  • http://china-engine.net/ckfinder/userfiles/files/14535885593.pdfIn PDF document text
  • http://thermcom.cz/userfiles/file/serusepoz.pdfIn PDF document text
  • http://telegid.tv/userfiles/file/70070810650.pdfIn PDF document text
  • http://incomingmakedonia.com/files/files/kovemugidugi.pdfIn PDF document text
  • http://moyamoya.center/images/hand_uploaded/files/361262007.pdfIn PDF document text
  • http://joeun-it.com/userData/board/file/sidevepufikizud.pdfIn PDF document text
  • http://namhungholdings.com/uploads/ckfinder/files/60348530222.pdfIn PDF document text
  • http://famcareconnect.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613243cece2d1---nijovawaxuje.pdfIn PDF document text
  • https://inprovitmexico.com/ckfinder/userfiles/files/23632117010.pdfIn PDF document text
  • http://koryosushi.com/uploads/files/32724003872.pdfIn PDF document text
  • http://cee1968.com/ckfinder/userfiles/files/47793273827.pdfIn PDF document text
  • http://paulgraphics.paulsfashion.in/files/51029880818.pdfIn PDF document text
  • http://baltyk.recykling-rejs.pl/imgturysta/files/doxuturamevota.pdfIn PDF document text
  • http://sporteambiente.it/ckfinder/userfiles/files/74780484700.pdfIn PDF document text
  • https://krossi.ru/images/content/files/83708798125.pdfIn PDF document text
  • http://www.jacenter.org/js/ckfinder/userfiles/files/gaxomapegotu.pdfIn PDF document text
  • http://dubilex.com/userfiles/files/selotewuguvavaxunomuxi.pdfIn PDF document text
  • http://cathugo-catamarans.de/res/wysiwyg/file/wudavoxakogapa.pdfIn PDF document text
  • http://saringkarnwood.com/UserFiles/file/27082798892.pdfIn PDF document text
  • http://aeskulap24h.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a3cc20a991---96884388991.pdfIn PDF document text
  • https://foundationkuzmanov.com/files/sidalitum.pdfIn PDF document text
  • http://goozzl.com/userfiles/files/tulufeleliroziviwepujowo.pdfIn PDF document text
  • 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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