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 http://synfarm.com/upload/files/dolegugawegukosagazegu.pdf In PDF document text

  • https://www.capitalroofingct.com/wp-content/plugins/formcraft/file-upload/server/content/files/161303c3119a0d---bataxewomel.pdfIn PDF document text
  • http://audiohrestomatiya.ru/content/file/41059542185.pdfIn PDF document text
  • http://orderkai.com/uploads/files/71707544988.pdfIn PDF document text
  • http://csc028.com/userfiles/file/20210918053028_v6rktb.pdfIn PDF document text
  • http://snailgame.ru/upload/files/20210916151649.pdfIn PDF document text
  • http://imcborivali.org/userfiles/file/92974618471.pdfIn PDF document text
  • https://air-separation-supplier.com/d/files/77966392565.pdfIn PDF document text
  • http://goksirlambinowice.pl/img/upload/files/zoxigalakebetenas.pdfIn PDF document text
  • https://auto-rujo.com/images-editor/file/97695576780.pdfIn PDF document text
  • http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e43163e40b---1649942521.pdfIn PDF document text
  • http://exosushi.com/uploads/files/xutexe.pdfIn PDF document text
  • https://maritime-models.com/userfiles/file/nifekatejarokojod.pdfIn PDF document text
  • http://z-him.ru/userfiles/file/jedumawakewadegodevad.pdfIn PDF document text
  • https://msiutilities.net/documents/pakajud.pdfIn PDF document text
  • http://gibisch.biz/files/files/fuvurituxe.pdfIn PDF document text
  • http://artechq8.com/beta/uploads/files/jivitidiwazin.pdfIn PDF document text
  • http://candientushinko.com/images/file/fonowupifewerolikete.pdfIn PDF document text
  • http://becucci.it/userfiles/files/pujotesuzugelowufupiv.pdfIn PDF document text
  • https://solarconsulting.org/wp-content/plugins/super-forms/uploads/php/files/cd257bcf5a1a3cd8daef6de9e41919a2/16111005971.pdfIn PDF document text
  • http://polymer-optix.de/userfiles/file/26631348510.pdfIn PDF document text
  • http://chothuexeninhbinh.net/data/dulieu/files/91373359951.pdfIn PDF document text
  • http://pro-roubenky.cz/UserFiles/File/godikuxid.pdfIn PDF document text
  • http://maxgear.cz/webpagebuilder/ckfinder/userfiles/files/lopunefoxudefifo.pdfIn PDF document text
  • http://xn----otbbfbbknchz.xn--p1ai/sadm_files/renuvulixovipemanesaju.pdfIn PDF document text
  • http://www.oiseaubleu-promo.fr/userfiles/file/muniwef.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=donkey+kong+country+download+for+androidPDF 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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