Malicious PDF — malware analysis report

Heuristics 8

• 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.
• AcroForm button with action trigger low PDF_ACROFORM_BUTTON
  PDF contains a /Btn form field together with a SubmitForm/URI/Launch/JS trigger — this is the building block of fake 'Download' or 'Open' button overlays used in PDF phishing lures
• 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://mindentudor.hu/userfiles/file/notopaluwomulogu.pdf In PDF document text

  • https://imad0c0.com/js/ckfinder/userfiles/files/redozo.pdfIn PDF document text
  • http://abogadosaguilar.com/ckfinder/userfiles/files/11779576355.pdfIn PDF document text
  • https://www.physioaktivkramer.de/wp-content/plugins/formcraft/file-upload/server/content/files/1610069d8e8dfe---sitisekesupixe.pdfIn PDF document text
  • https://www.geosuiteonline.de/wp-content/plugins/formcraft/file-upload/server/content/files/161072d066fdac---wipufola.pdfIn PDF document text
  • http://delta-serwis.pl/pliki/77567906177.pdfIn PDF document text
  • http://xn--80aamdqpfpr.xn--p1ai/upload_picture/wevadawitusadikufube.pdfIn PDF document text
  • http://wixoon.hu/upload/file/nasenufi.pdfIn PDF document text
  • http://monterroso-construpuntos.com/campannas/file/tobobumevelosizi.pdfIn PDF document text
  • http://klimatyzacjaradom.pl/userfiles/file/16355265545.pdfIn PDF document text
  • https://vpmemorial.net/images/file/63462888562.pdfIn PDF document text
  • http://petraifevronii.ru/ckfinder/userfiles/files/50223938191.pdfIn PDF document text
  • https://ateneoarbonaida.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609604ca330b1---pazagawonogubekibikelidit.pdfIn PDF document text
  • http://eraldocomo.it/userfiles/files/boxokexesonunubugusiduv.pdfIn PDF document text
  • http://www.mondzorgvesa-voorschoten.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160721f8d742e7---66496821920.pdfIn PDF document text
  • http://j1medical.com/uploaded/file/48316531693.pdfIn PDF document text
  • https://tmtteks.com/files/sevobabe.pdfIn PDF document text
  • http://bluelakehomestay.com/uploads/image/files/75385231644.pdfIn PDF document text
  • http://www.dnevi-sekretarjev.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160be0fe488295---82542315197.pdfIn PDF document text
  • http://www.socalgreatwhite.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f15e0dd6b6---50163098665.pdfIn PDF document text
  • http://tramtronbetong.com/uploads/userfiles/file/74386235586.pdfIn PDF document text
  • https://delphin-bau.com/ckfinder/upload/files/latigawamawimifetas.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=gmat+2011+question+paper+pdfPDF link annotation
  • https://sharpspringwww.kinsta.cloud/wp-content/plugins/super-forms/uploads/php/files/f0604ec445bb948e8685b7ac75343fd9/gozagebigujizepesud.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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