Malicious PDF — malware analysis report

Heuristics 8

• 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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://nomylo.ru/uplcv?utm_term=free+total+sms+control+apk+download+for+android

  • http://www.hgbehringer.de/img/files/files/3962900604.pdf
  • http://www.slappedtogether.com/editoruploadfiles/file/36367479884.pdf
  • https://bnovum.hu/downloads/gasosotebifiveturos.pdf
  • http://hiro-seiko.com/upload/files/48927473812.pdf
  • https://nam.it/wp-content/plugins/formcraft/file-upload/server/content/files/16131c1fa682fe---12401207123.pdf
  • http://xaydunghoangthanh.com/img_duhoc/files/99136237337.pdf
  • http://findmealocalpainter.com/insurazon/admin/userfiles/file/sewiwope.pdf
  • http://nessium.fr/userfiles/file/danazupapes.pdf
  • http://sensor4you.com/fckeditor/editor/filemanager/connectors/php/fckeditor/upload/202109/file/58494191735.pdf
  • https://www.die-umzugsfabrik.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614ad47859385---jevevi.pdf
  • http://szkolka-wiercioch.pl/files/file/80687073991.pdf
  • http://uat.ideadunes.com/projects/ideadunes-portfolio-site/wp-content/plugins/formcraft/file-upload/server/content/files/1613ad2e38f016---61654072787.pdf
  • https://consultemergingmarkets.cubsindia.com/files/baxizi.pdf
  • https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/60b4554d2a718a95a14d430235beb98f/13437788788.pdf
  • https://kapefashion.com/files/files/kezujokopikemexatetube.pdf
  • http://xn--80aafmoni2biho.xn--p1ai/admin/ckfinder/userfiles/files/91595013003.pdf
  • https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/772e7990a9a4fceb041ad590eadd7fff/xunevepokoz.pdf
  • https://cutletsmeat.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614214cfb471c---66737550796.pdf
  • https://mmoxx.mn/userfiles/files/xufowa.pdf
  • http://dichvu12h.net/userfiles/file/jogim.pdf
  • http://www.bufolari.com/public/immagini/file/87229493529.pdf
  • http://vegasoft.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1613b567e86189---zoxopefizenaro.pdf
  • http://express-service-auto.fr/ckeditor/ckfinder/userfiles/files/gofonexof.pdf
  • https://www.cdsale.org.au/application/third_party/ckfinder/userfiles/files/worojujuze.pdf
  • https://autosofortkauf.ch/wp-content/plugins/super-forms/uploads/php/files/mqgft6i22bb8l15n052i56ja9q/teretewapuvutodu.pdf
  • http://aryajob.com/user_upload/file/bujaloveduwixuloganapab.pdf
  • http://highlevel.pl/userfiles/file/24466567006.pdf
  • http://www.cenlafilm.com/siteuploads/editorimg/file/78397595108.pdf
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#
  • http://purl.org/dc/elements/1.1/
  • http://ns.adobe.com/pdf/1.3/
  • http://ns.adobe.com/xap/1.0/
  • http://ns.adobe.com/xap/1.0/mm/
  • http://ns.adobe.com/xap/1.0/rights/
  • http://dejavu.sourceforge.net
  • http://dejavu.sourceforge.net/wiki/index.php/License

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