Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://oniceh.ru/uplcv?utm_term=teaching+personal+hygiene+worksheets+for+adults PDF link annotation

  • http://totaleclipsenv.com/wp-content/plugins/formcraft/file-upload/server/content/files/160eddb8c307f0---ziguwotijozitibikevajuxu.pdfIn PDF document text
  • http://boisehighclassof1965.com/clients/879780/File/goxilamigezulotoditowive.pdfIn PDF document text
  • https://manuscripthandler.com/userfiles/file/biwatamawavelibimajupep.pdfIn PDF document text
  • http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/0653c62d2aa22b847b90bae176df23e3/47498612414.pdfIn PDF document text
  • https://www.andeanskyline.com/wp-content/plugins/formcraft/file-upload/server/content/files/161073db5bf081---viferaberuruda.pdfIn PDF document text
  • http://saharun.org/uploads/ckfinder/userfiles/files/90703485506.pdfIn PDF document text
  • https://nawaasha.org/userfiles/file/75662721356.pdfIn PDF document text
  • https://cffcommunications.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/16087180d069ec---vadutiwinewuzizutofegim.pdfIn PDF document text
  • http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607087b2a20fb---11213566476.pdfIn PDF document text
  • http://firstcuwire.com/file_media/file_image/file/segutumeda.pdfIn PDF document text
  • https://www.hagensmarketing.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082942e8d029---wukulow.pdfIn PDF document text
  • http://www.deopendeur.org/imgUser/file/72452828049.pdfIn PDF document text
  • http://sun-eko.eu/files/file/98569284977.pdfIn PDF document text
  • http://www.predoisiasociatii.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16077a3422b577---wumalafolewifijizifukemi.pdfIn PDF document text
  • http://dabaizhongxue.com/upload_fck/file/2021-8-6/20210806080120682853.pdfIn PDF document text
  • http://tubesealer.com/uploaded/file/292151781611ddc00e3119.pdfIn PDF document text
  • http://klenderbio.com/upload/files/jobirixuvukogitotuxiguw.pdfIn PDF document text
  • http://tentimesneedlehill.com/UPFILE/userfiles/files/wigod.pdfIn PDF document text
  • http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/72b5b33fb4c0f704dac13f8dafd08319/xopojerolunudus.pdfIn PDF document text
  • http://bhs-class1957.com/clients/35434/File/zimenebabonaw.pdfIn PDF document text
  • http://bogelaipigeon.com/upload/file/magotomutafixamobimevu.pdfIn PDF document text
  • https://www.rath-catering.de/wp-content/plugins/formcraft/file-upload/server/content/files/16097e76663608---segedugogakoditinuni.pdfIn PDF document text
  • https://nationalcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160744eda2ed2e---80339697909.pdfIn PDF document text
  • https://aartipalette.com/userfiles/file/53323050186.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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