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
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 68 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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://cructi.ru/uplcv?utm_term=zeiterfassung+app+android+kostenlos PDF link annotation

  • http://shijijiaming.cn/filespath/files/20210917092920.pdfIn PDF document text
  • https://gpagroup.in/wp-content/plugins/formcraft/file-upload/server/content/files/16141c4c157e77---49051617389.pdfIn PDF document text
  • http://poney-club-romilly-aigre28.fr/userfiles/file/dogoge.pdfIn PDF document text
  • http://belovosushi.ru/files/jubuwevazufip.pdfIn PDF document text
  • https://waelfawzy.com/userfiles/file/In PDF document text
  • https://www.quatainvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161350267946c8---josazek.pdfIn PDF document text
  • https://greenline.bg/userfiles/file/18017709015.pdfIn PDF document text
  • http://madmojo.com/fckupload/file/julisexi.pdfIn PDF document text
  • http://mywymc.com/userfiles/file/57367895251.pdfIn PDF document text
  • https://specialgarden.ro/userfiles/file/49831248959.pdfIn PDF document text
  • http://www.wcd.com.tw/ezadmin/ckfinder/userfiles/files/wuvigufiwan.pdfIn PDF document text
  • https://xn--bankkrtya-41a.hu/js/ckfinder/userfiles/files/xeven.pdfIn PDF document text
  • https://halobysciton.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140cc60d9d09---xuwokatiwumari.pdfIn PDF document text
  • https://108pizza.pl/uploads/userfiles/files/zurekezazadamedusijosusam.pdfIn PDF document text
  • http://mentaplywood.com/images_upload/files/7930266680.pdfIn PDF document text
  • http://www.gdchgs.com/admin/img/files/69258141170.pdfIn PDF document text
  • http://sllight.ru/design/img/upload/file/vuxukizatajasorudugizup.pdfIn PDF document text
  • http://honderhotel.com/UploadFiles/FCKeditor/20210901143051.pdfIn PDF document text
  • http://inlikeflintlogistics.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141368186271---duribuneme.pdfIn PDF document text
  • http://hoteldazegliotorino.com/userfiles/files/16598738779.pdfIn PDF document text
  • http://tk-weld.com/images/library/File/mezupevibo.pdfIn PDF document text
  • http://jpsacademy.com/slbdavbatala/userfiles/file/dubezajasozufurezifal.pdfIn PDF document text
  • https://98ing.com/upload/ck/files/20210903_075033.pdfIn PDF document text
  • http://andreuma.madteam.net/ckfinder/userfiles/files/widadalikawi.pdfIn PDF document text
  • http://hengtaixin.com/HangShun/ckfinder/userfiles/files/95409006366.pdfIn PDF document text
  • http://giaydantuongphongngudep.com/images/news/file/mixevosegu.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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