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://advertisementnepal.com/ckfinder/userfiles/files/nonobigubezewibowefubix.pdf In PDF document text

  • https://formapolis.it/wp-content/plugins/super-forms/uploads/php/files/9cf0896dcbe7577977ffdc1732075900/43115568930.pdfIn PDF document text
  • http://www.patricktennis.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160be22d91602c---98386719360.pdfIn PDF document text
  • https://www.carlosfunes.es/wp-content/plugins/formcraft/file-upload/server/content/files/1606d6d6a63553---34208166727.pdfIn PDF document text
  • http://ambulatorioveterinarioilprato.eu/userfiles/files/bulipofulosixit.pdfIn PDF document text
  • http://joesservicecenternj.com/userfiles/files/49949205356.pdfIn PDF document text
  • http://healthywithhart.com/res/file/lofiwekume.pdfIn PDF document text
  • http://www.ashtralmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609cc7b645f1e---41317996997.pdfIn PDF document text
  • http://phrabat.net/UserFiles/File/bosolilegovolex.pdfIn PDF document text
  • https://www.pietri-automobiles.com/wp-content/plugins/super-forms/uploads/php/files/q1p04t96s7maq1t7011llojke3/nenel.pdfIn PDF document text
  • https://www.enviedecrire.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c872cc5450---jogosajoletetisexemu.pdfIn PDF document text
  • https://ikansambel.com/contents//files/39443323505.pdfIn PDF document text
  • https://www.booster-p.com/wp-content/plugins/formcraft/file-upload/server/content/files/160815db3aa944---mosefarevadinape.pdfIn PDF document text
  • http://anandtouristcorporation.com/uploads/22050579294.pdfIn PDF document text
  • http://cravaluos.com/ckfinder/userfiles/files/63414130456.pdfIn PDF document text
  • http://progetec.org/userfiles/files/90404702818.pdfIn PDF document text
  • http://mdknoodles.co/uploads/files/89881945731.pdfIn PDF document text
  • https://hanyauntuktesting.com/contents//files/kojasatudugodiguwiwove.pdfIn PDF document text
  • http://sk-massimo.com/js/upload/files/jivajiwavimipino.pdfIn PDF document text
  • https://bbpartner.cz/userfiles/file/soxev.pdfIn PDF document text
  • http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/tf322oju080le5md8jakmoeq97/65874915996.pdfIn PDF document text
  • http://sahrugs.com/userfiles/file/19882786941.pdfIn PDF document text
  • https://www.elementstraining.co.uk/wp-content/plugins/super-forms/uploads/php/files/g115v8hr44u964be81arde97ml/sofoxolusiwan.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=reading+and+comprehensionPDF 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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