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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://wastran.ru/uplcv?utm_term=the+secret+app+apk PDF link annotation

  • https://clicksnepal.grnca.org/img/files/files/detifupuvenix.pdfIn PDF document text
  • https://www.numberoneporthill.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1613e6ad61b8fd---jolavidasepoj.pdfIn PDF document text
  • http://marketingnews.fr/images/file/gatuv.pdfIn PDF document text
  • https://www.hungarianassociation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613371ac7bae2---49209616134.pdfIn PDF document text
  • http://erago.cidees.com/uploads/files/51874936034.pdfIn PDF document text
  • http://ajitcoatings.com/uploads/97436563929.pdfIn PDF document text
  • http://vektorma.ru/uploads/assets/file/59216883533.pdfIn PDF document text
  • https://mercedesmazo.es/wp-content/plugins/formcraft/file-upload/server/content/files/1613065629615f---nifogejoz.pdfIn PDF document text
  • https://nirmalujjwal.com/public/ckfinder/userfiles/files/75548878829.pdfIn PDF document text
  • https://nsstore.mx/ckeditor/ckfinder/archivossubidos/files/65078558243.pdfIn PDF document text
  • http://surestegc.org/documentos/file/13593580848.pdfIn PDF document text
  • http://xn--b1agjlwjc3g.xn--p1ai/ckfinder/userfiles/files/60910213275.pdfIn PDF document text
  • http://monteconsultants.com/image/upload/File/99777483636.pdfIn PDF document text
  • https://www.jahnigterbraak.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161403bb36a082---tesuzovafemuponedipa.pdfIn PDF document text
  • http://tai-yang.tw/taiyang/upload/file/71115077612.pdfIn PDF document text
  • http://bualuang101.com/backoffice/upload/files/fafemejesusupunazolafato.pdfIn PDF document text
  • http://alexdisinfestazioni.com/userfiles/files/jewawijab.pdfIn PDF document text
  • https://sakesushimn.com/userfiles/files/juvelurixapasubokajukivam.pdfIn PDF document text
  • http://www.mbk-montage.nl/ckfinder/userfiles/files/49921351191.pdfIn PDF document text
  • https://braintreeclinics.com/app/webroot/img/files/25827548475.pdfIn PDF document text
  • https://njsolarpower.com/wp-content/plugins/super-forms/uploads/php/files/ba7456fca022061570a8631c45646f90/dumovojonemiwomu.pdfIn PDF document text
  • http://caudafotografia.com/userfiles/files/56512930749.pdfIn PDF document text
  • http://laxycoffee.com/upload/files/12256177254.pdfIn PDF document text
  • http://ptaki.info/imgekoprojekty/files/riturajilanukumubijekaj.pdfIn PDF document text
  • http://sdtrafficticketlawyer.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/tonetule.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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