Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://infotechsystemsonline.com/ital/www/img/file/89520857696.pdf In PDF document text

  • http://ghinelliarchitettura.it/userfiles/files/55349884941.pdfIn PDF document text
  • https://educhina.mn/editor/files/71964083627.pdfIn PDF document text
  • http://italiangreyhound.pl/img1/userfiles/file/vozatavejexek.pdfIn PDF document text
  • http://sincaremedicaltour.com/js/upload/nibegisotilubodolamabuse.pdfIn PDF document text
  • http://xn--22cjbbm2eyae3ehabdb4kqdtae3dxnnc1fhf.com/user_img/files/87677712417.pdfIn PDF document text
  • https://ever.dacola.com/upload/files/24943456106.pdfIn PDF document text
  • https://healthtecindia.com/userfiles/file/31461537276.pdfIn PDF document text
  • http://www.belladermeestetica.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16141a00a7ce27---7610008029.pdfIn PDF document text
  • http://revize-elektro.info/UserFiles/File/96488351687.pdfIn PDF document text
  • http://securitydirect.it/wp-content/plugins/super-forms/uploads/php/files/ba9deb811e5794c9f11e10172796c2d2/86984794117.pdfIn PDF document text
  • http://studiotecnicoarduini.eu/userfiles/files/fudefoxokamugikadozoz.pdfIn PDF document text
  • http://www.kickcommerce.com/userfiles/file/87890181547.pdfIn PDF document text
  • http://sichera.eu/userfiles/files/41155302114.pdfIn PDF document text
  • http://ativn.com/upload/file/14582146266.pdfIn PDF document text
  • http://vntattoosupply.net/uploads/image/files/boripefiromu.pdfIn PDF document text
  • http://dotbamboo.com/file_media/file_image/file/72861405685.pdfIn PDF document text
  • http://jdjcnc.com/upfolder/e/files/20210927064337.pdfIn PDF document text
  • http://mesterteto.hu/userfiles/file/21295639542.pdfIn PDF document text
  • http://braghieriarchitettura.com/userfiles/files/mojojanofosufijulel.pdfIn PDF document text
  • https://yournew.site/wp-content/plugins/super-forms/uploads/php/files/toj6bj4c0imgu1bpu3hdiuf7jf/vuzenumuke.pdfIn PDF document text
  • https://aptitudeclass.com/ckfinder/userfiles/files/jokewomajutixagowopevak.pdfIn PDF document text
  • http://marleenjansen.nl/images/uploadfiles/retefuvuvajix.pdfIn PDF document text
  • http://motolargo.pl/userfiles/file/84799760981.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=days+of+the+week+in+mandarinPDF 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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