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.
• 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://queure.ru/uplcv?utm_term=chemistry+hydrocarbon+notes+pdf PDF link annotation

  • https://www.sacproblemleri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608cad3463cb4---86190086083.pdfIn PDF document text
  • http://apcmagon.com/userfiles/59251510861.pdfIn PDF document text
  • http://www.lavalledesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d40feb2e7a---bubijavubimozezurumudekuw.pdfIn PDF document text
  • http://zhongjiukeji.com/upload_fck/file/2021-9-1/20210901203855856520.pdfIn PDF document text
  • http://www.radiopopiatej.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612efb7459b6c---23216415802.pdfIn PDF document text
  • http://maxtarget.by/ckfinder/userfiles/files/90453730176.pdfIn PDF document text
  • https://www.hemoroidklinigi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607898fde238d---47941917300.pdfIn PDF document text
  • http://ekbdrive.ru/ckfinder/userfiles/files/85416549216.pdfIn PDF document text
  • http://pitin-akutsu.com/js/upload/files/87168300367.pdfIn PDF document text
  • http://domusanna.it/userfiles/files/xinixarifokugojuge.pdfIn PDF document text
  • http://musiclivemarsala.com/userfiles/files/bosuzuwiluraxu.pdfIn PDF document text
  • https://ewms.vn/wp-content/plugins/super-forms/uploads/php/files/npooho9n5hc97ilg63ff99hasj/buzikowib.pdfIn PDF document text
  • http://www.urbanwaterways.info/files/romapinovulerewomixiti.pdfIn PDF document text
  • http://ahkjt.com/upfile/file/24302919430.pdfIn PDF document text
  • http://bastola.org/userfiles/file/17460441416.pdfIn PDF document text
  • http://www.alfainstal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160d9f2a89215f---29282132068.pdfIn PDF document text
  • https://www.amiunaorchestra.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1606da0c19984e---82326965778.pdfIn PDF document text
  • https://bnovum.hu/downloads/72071878212.pdfIn PDF document text
  • https://camping-du-lac-dijon.com/fichiers/98691616012.pdfIn PDF document text
  • https://wlao.on.ca/wp-content/plugins/super-forms/uploads/php/files/e5dbc3552334cd09fab4fe85558b4d5d/24635116671.pdfIn PDF document text
  • https://taipeitccia.org/CKEdit/upload/files/tetevijanuruxemesetaxamo.pdfIn PDF document text
  • http://bettaletroom.com/file_media/file_image/file/jegalofalonisuliwumolo.pdfIn PDF document text
  • http://okmarin.ru/userfiles/file/kivigupoxufeguxototij.pdfIn PDF document text
  • http://whitedwarf.ru/public/images/ckfinder/files/rebun.pdfIn PDF document text
  • http://orderleesushi.com/uploads/files/66101166091.pdfIn PDF document text
  • https://miamivanservice.net/wp-content/plugins/formcraft/file-upload/server/content/files/1611803e25bec6---48698407906.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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