Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• Clickable URI points to raw IP address medium PDF_URI_IP_LITERAL
  PDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
• 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://catamma.ru/uplcv?utm_term=tiny+toon+android PDF link annotation

  • https://suemsas.com/wp-content/plugins/super-forms/uploads/php/files/urlm1d662espee1t1g7pmg2iv0/mizarenuziba.pdfIn PDF document text
  • https://paidionresearch.com/userfiles/files/wafase.pdfIn PDF document text
  • http://change4best.ru/upload/file/voxogofuruveke.pdfIn PDF document text
  • http://bluecreator.biz/ckfinder/userfiles/files/mojobetafigibasaguvet.pdfIn PDF document text
  • https://hopclickhospitality.com/scgtest/team-explore/uploads/files/20952956965.pdfIn PDF document text
  • http://www.bestlifepolicy.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/161446b68e7e8a---64746566987.pdfIn PDF document text
  • http://schouteninterieurwerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16138099355d72---gugokimebesefakekomi.pdfIn PDF document text
  • http://www.emporiocaritaspisa.it/wordpress/wp-content/plugins/formcraft/file-upload/server/content/files/1612f9d8fbf884---worufetosodagaliwa.pdfIn PDF document text
  • http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130c397b81c0---fazak.pdfIn PDF document text
  • https://etravelbox.com/scgtest/team-explore/uploads/files/korujofigokomagalan.pdfIn PDF document text
  • https://suacuachuyennghiep.com/uploads/files/83556156742.pdfIn PDF document text
  • https://tucarrorentacar.co/ckfinder/userfiles/files/bediwitataxular.pdfIn PDF document text
  • http://ibsdhc.hpds.work/ecdemo/web/js/ckfinder/files/files/gakolazoruwibubitareku.pdfIn PDF document text
  • https://sergiomauri.com/images/file/72889727480.pdfIn PDF document text
  • http://leadershipcareer.kr/fckeditor/_upload/file/94450547209.pdfIn PDF document text
  • https://suksesunited.com/contents/files/86415370381.pdfIn PDF document text
  • https://gemicilojistik.com/userfiles/upload/file/28296781553.pdfIn PDF document text
  • http://henca.com/files/details/file/ladodofifuxopiluki.pdfIn PDF document text
  • http://140.121.180.103/ckfinder/userfiles/files/nadaxedajatejapurepopu.pdfPDF link annotation
  • https://www.pharmaright.ca/wp-content/plugins/super-forms/uploads/php/files/lo4t4m83jcb8fo2kko8ng9ieep/sopumivosuwepokeleroto.pdfIn PDF document text
  • https://triatlonshop.cz/userfiles/file/25238027399.pdfIn PDF document text
  • http://cioccolatogallucci.it/userfiles/file/49151078367.pdfIn PDF document text
  • http://carrasvilla.es/uploads/files/rurowobixezo.pdfIn PDF document text
  • http://quanhoangtsi.com/upload/quangtri/files/waveliv.pdfIn PDF document text
  • http://xn--80ab1a9a.xn--p1ai/sadm_files/robojisafininitu.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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