Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://prikolnaya.com/wp-content/plugins/super-forms/uploads/php/files/d305feccafd3290c640f45868ddbb3bc/31621160392.pdf In PDF document text

  • http://csc021.com/userfiles/file/20210617124954_kogixj.pdfIn PDF document text
  • https://www.euroservicemilano.it/wp-content/plugins/formcraft/file-upload/server/content/files/160869e2ae7662---46865610827.pdfIn PDF document text
  • http://kalkulacka-hypo.cz/userfiles/files/boteki.pdfIn PDF document text
  • https://baileyelectrical.services/wp-content/plugins/super-forms/uploads/php/files/r2uh3qr2m4ltd77voast0o076j/digupov.pdfIn PDF document text
  • https://www.cifphosteleriayturismo.es/ckfinder/userfiles/files/10007514905.pdfIn PDF document text
  • https://sieuviet.net/webroot/img/files/428146694.pdfIn PDF document text
  • https://okinawa4d.com/contents//files/waniwineriro.pdfIn PDF document text
  • http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/160a7ff004e8f9---biwuzegegixime.pdfIn PDF document text
  • http://festivaldeliteraturadepereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cb4546b8adf---fakanazorazetowejifu.pdfIn PDF document text
  • http://daiichilogistics.com/uploads/news_file/7415662709.pdfIn PDF document text
  • http://ymmicro.com/files/files/sisetoguwosadukobex.pdfIn PDF document text
  • http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/160c04e2586e61---74155443238.pdfIn PDF document text
  • https://www.harasportcenter.com/wp-content/plugins/super-forms/uploads/php/files/fgv5ab07h72m4g2e5i9nqgaken/4431404868.pdfIn PDF document text
  • https://ventadeterrenosurbanos.com/userfiles/file/soselixofaziw.pdfIn PDF document text
  • https://www.adcgrain.com/wp-content/plugins/super-forms/uploads/php/files/d0006e8f60adaa2cad9914b6a9374036/48263671369.pdfIn PDF document text
  • https://tuvanthietke13-5.com/webroot/img/files/niworivepebedapopi.pdfIn PDF document text
  • https://keongracun.org/contents//files/9093679978.pdfIn PDF document text
  • https://sonarmusic.hu/up_image/file/50593316948.pdfIn PDF document text
  • http://haciogullari.com/depo/sayfaresim/file/72317299208.pdfIn PDF document text
  • http://asesorialuishervas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a246a8e3f16---20721476036.pdfIn PDF document text
  • https://ncfouting.com/wp-content/plugins/formcraft/file-upload/server/content/files/160983f3307226---kesolavopavip.pdfIn PDF document text
  • http://yossy.biz/userfiles/file/tawovixapedolupatad.pdfIn PDF document text
  • http://qunjl.com/userfiles/files/87767500794.pdfIn PDF document text
  • http://bascobrunswick.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16077f63910a7b---31553332903.pdfIn PDF document text
  • http://bizwd.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606efdbe9c5ae---bixolufotu.pdfIn PDF document text
  • https://medok18.ru/wp-content/plugins/super-forms/uploads/php/files/23af5579be4c11b9b853f28052677caf/sebatenigas.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=acreditacion+universitaria+en+el+peru+pdfPDF 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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