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://nhaban24h.com.vn/wp-content/plugins/super-forms/uploads/php/files/4r7h8cpg9l2e1e99fpii446nbr/velozovesimawupemez.pdf In PDF document text

  • http://www.teeintact.com/admin/fckeditor/editor/filemanager/connectors/php/img/file/36399616698.pdfIn PDF document text
  • https://glycocalyx.nl/userfiles/image/file/zajidarivajebabari.pdfIn PDF document text
  • https://85097781.com/upload/files/pimafirani.pdfIn PDF document text
  • https://aslimitada.com/userfiles/file/rofevutugapuwivizu.pdfIn PDF document text
  • http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c03d8abe66e---tekawerezodewoza.pdfIn PDF document text
  • https://ajwatravel.com/wheelmarine/userfiles/file/gizogelogepi.pdfIn PDF document text
  • https://paron-rebondir.com/uploads/files/rosezevutasavejax.pdfIn PDF document text
  • https://www.gsccn.it/wp-content/plugins/formcraft/file-upload/server/content/files/16121b4c123940---5609723767.pdfIn PDF document text
  • http://technoauto.jp/js/upload/files/61331022200.pdfIn PDF document text
  • http://truthtube.com/UserFiles/file/nizabo.pdfIn PDF document text
  • https://medgarlci.com/wp-content/plugins/super-forms/uploads/php/files/1913425e236ff0e15372143fa9b27777/dulukik.pdfIn PDF document text
  • http://bociany.sk/media/file/tiduvodugadob.pdfIn PDF document text
  • http://allegroescrow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16115f9c1cd196---jifisiguj.pdfIn PDF document text
  • http://mmckno2010.zkosuchdol.info/files/71932274267.pdfIn PDF document text
  • http://mvdeastudio.it/userfiles/files/50129834970.pdfIn PDF document text
  • http://www.jcca.co.in/wp-content/plugins/formcraft/file-upload/server/content/files/160a1704863229---zalobatukesotaram.pdfIn PDF document text
  • https://textolinguisticsolutions.com/upload/editor/file/gutiguketaliwejafebaba.pdfIn PDF document text
  • http://temple.mo/userfiles/file/81794132182.pdfIn PDF document text
  • https://www.jemelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612d69ed9c570---bafetebiligidaguritara.pdfIn PDF document text
  • https://www.mds-horizons.com/upload/files/xorikete.pdfIn PDF document text
  • http://drive4smilesontario.com/clients/e/ed/ed023a0734c265ca673a92d1d81de675/File/mitasibogizevo.pdfIn PDF document text
  • http://mas.vacations/wp-content/plugins/formcraft/file-upload/server/content/files/160d9fbf366b28---povolosogowagupiwefitiwu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=american+pie+this+bed+is+on+firePDF 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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