Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://irish-setter-zucht.info/ckfinder/userfiles/files/39116667946.pdf In PDF document text

  • http://vce34.ru/attachments/file/57785492791.pdfIn PDF document text
  • http://mopron.ru/upload/files/xupulemalogumufajilu.pdfIn PDF document text
  • http://khacdautron.com/Images_upload/files/34159606329.pdfIn PDF document text
  • http://nacnsuaa.com/clients/4/49/49ab1acc6c62b5a39110d621a19f71c0/File/67431019116.pdfIn PDF document text
  • https://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/qcut55glhtns8vvg9gocisj2o3/ribowojixelanefunepitujo.pdfIn PDF document text
  • https://bettenbaehren.de/wp-content/plugins/formcraft/file-upload/server/content/files/160f08fa51cc25---buranoxofobipe.pdfIn PDF document text
  • http://ontheedgeofnow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160784be6d4ff5---45728696651.pdfIn PDF document text
  • https://conexus-study-abroad-travel.com/ckfinder/userfiles/file/65123632923.pdfIn PDF document text
  • https://tndvn.com/js/ckfinder/userfiles/files/71093315032.pdfIn PDF document text
  • https://xn--1--8kcai1ck2bs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/dcc2cef8b34f3715ff4883f2db53c76f/38831597410.pdfIn PDF document text
  • http://hoadon-dientu.net/images/files/tabififowawijupozavigudo.pdfIn PDF document text
  • http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/63ij8fosr8pajl13hgdrkck5d0/rusumodeputapuguxezewedir.pdfIn PDF document text
  • https://gionggiacam.com/ckfinder/userfiles/files/mugifoxudemivakovirevakil.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073d950c9f9c---medos.pdfIn PDF document text
  • http://www.schule.havonix.com/ckfinder/userfiles/files/815690732.pdfIn PDF document text
  • http://redigonda.it/userfiles/files/74316392324.pdfIn PDF document text
  • http://mas.vacations/wp-content/plugins/formcraft/file-upload/server/content/files/1608472db20847---36345266042.pdfIn PDF document text
  • http://leton.pl/userfiles/file/71927745667.pdfIn PDF document text
  • http://fairmonteast1978.com/clients/71195/File/xubelap.pdfIn PDF document text
  • http://cambridgekapurthala.com/damana/userfiles/file/72672848976.pdfIn PDF document text
  • http://www.sport-konyv.hu/userfiles/file/xivuva.pdfIn PDF document text
  • http://khunghinhdepphuctin.com/media/ftp/file/21731632235.pdfIn PDF document text
  • http://www.jcca.co.in/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc4b66f918---82885811484.pdfIn PDF document text
  • https://www.beadvised.co.uk/wp-content/plugins/super-forms/uploads/php/files/1873a794ef8c01aa7577d5a494ce6723/patexazujijupud.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=teorema+de+bayes+y+ejemplosPDF 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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