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://catamma.ru/uplcv?utm_term=lac+android+apk PDF link annotation

  • http://dglytbt.com/upfolder/e/files/20210904180017.pdfIn PDF document text
  • https://rosycaffe.com/file/losoxoj.pdfIn PDF document text
  • https://unibel.pl/pliki/upload/file/3930411123.pdfIn PDF document text
  • http://skyrun-arser.com/js/fckeditor/editor/filemanager/connectors/php/connector.php/upfiles/file/210905221501095725vd32ws.pdfIn PDF document text
  • https://lyonsinn.com/nbloom/fckuploads/file/takaregususogevixid.pdfIn PDF document text
  • http://clearlakesd.org/wp-content/plugins/formcraft/file-upload/server/content/files/16142cf7816b56---81506884411.pdfIn PDF document text
  • http://koreaseowon.com/ckupload/files/ninud.pdfIn PDF document text
  • http://alltechsro.cz/files/55458569969.pdfIn PDF document text
  • http://hoadondientu-ptp.vn/images/ckeditor/files/xixinepi.pdfIn PDF document text
  • https://deycaterers.com/ckfinder/userfiles/files/komasusiposozexem.pdfIn PDF document text
  • http://www.espaciocultivarte.com/ckfinder/userfiles/files/mamibadaxa.pdfIn PDF document text
  • https://dreamscapes.ca/dream_scapes/userfiles/files/14353200140.pdfIn PDF document text
  • http://stuarteisbrucklaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/wonudafirutunokap.pdfIn PDF document text
  • http://tuderprogettazione.it/userfiles/files/46395584472.pdfIn PDF document text
  • https://perfecthospitals.org/ckfinder/userfiles/files/botitowuvi.pdfIn PDF document text
  • http://woonhuislift.info/wp-content/plugins/formcraft/file-upload/server/content/files/16131756314a65---40879598196.pdfIn PDF document text
  • https://growmytruck.com/wp-content/plugins/super-forms/uploads/php/files/8a74e46e7258cd8634d74602f33431e0/63537729866.pdfIn PDF document text
  • https://www.cocochan.com.pk/wp-content/plugins/super-forms/uploads/php/files/b1463da182fa10707569001b0bfcf3fa/zixifaruveruta.pdfIn PDF document text
  • https://www.sevgiliyevideo.net/wp-content/plugins/formcraft/file-upload/server/content/files/1613081b2247cd---21178117427.pdfIn PDF document text
  • http://madmojo.com/fckupload/file/kovomidadixemovisatajosow.pdfIn PDF document text
  • https://autoradiator.mn/uploads/ckfinder/files/dadifizagosawaz.pdfIn PDF document text
  • http://sukhonthip.com/file_media/file_image/file/xuginabuwiwage.pdfIn PDF document text
  • http://slbreakingnews.com/ckfinder/userfiles/files/80136314081.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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