Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://archism.ru/uplcv?utm_term=how+to+calibrate+a+scale+with+weights PDF link annotation

  • https://www.oneirishrover.com/wp-content/plugins/super-forms/uploads/php/files/27f8089fa7829f4edc163687f7dfe189/natodebalax.pdfIn PDF document text
  • https://www.chauffeur-prive-nice.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160bc075d014cb---sixitamiki.pdfIn PDF document text
  • https://transmar.biz/ckfinder/userfiles/files/26992524086.pdfIn PDF document text
  • http://maxtarget.by/ckfinder/userfiles/files/91560736154.pdfIn PDF document text
  • http://vinag7furniture.com/app/webroot/files/editor_upload/files/zafulibotixukalokix.pdfIn PDF document text
  • http://anapharmata.hu/ckfinder/core/connector/php/files/55632022003.pdfIn PDF document text
  • https://pypconsultores.mx/userfiles/file/dunuvigo.pdfIn PDF document text
  • http://gibisch.biz/files/files/pojulavokizufu.pdfIn PDF document text
  • http://robertoantoniz.com/resources/original/file/womoko.pdfIn PDF document text
  • https://dewalt-naradi.cz/media/upload/editor/file/71769050552.pdfIn PDF document text
  • http://adamlegal.com/userfiles/file/50638627505.pdfIn PDF document text
  • http://mppscstudy.com/admin/usercontent/file/62179745487.pdfIn PDF document text
  • https://kvgrup.com.ua/wp-content/plugins/formcraft/file-upload/server/content/files/160b2dbb3aa4fb---96542624689.pdfIn PDF document text
  • http://omatsuri.kr/data/userfiles/files/78608462880.pdfIn PDF document text
  • https://dungcuruamui.com/wp-content/plugins/super-forms/uploads/php/files/fsim3c3dbvr1pcff7pl10ajp72/42750821942.pdfIn PDF document text
  • https://petroblend.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609df5ad628c7---lugavikafobotag.pdfIn PDF document text
  • https://zzhqhi.com/d/files/19742879045.pdfIn PDF document text
  • http://imaginove.eu/data/Files/sagotamipafabu.pdfIn PDF document text
  • http://simonide.org/userfiles/file/sutapekelajebolo.pdfIn PDF document text
  • http://zonwering-belgie.com/ckfinder/userfiles/files/28469114743.pdfIn PDF document text
  • https://kachhiproperties.com/wp-content/plugins/super-forms/uploads/php/files/6vai3ejf1optage4b016sv8ra4/97153708263.pdfIn PDF document text
  • http://angarakshaksecurity.com/userfiles/file/zafekage.pdfIn PDF document text
  • https://polinagerz.ru/wp-content/plugins/super-forms/uploads/php/files/6ol4mi8br81hogip849dmlrbg5/rilaguv.pdfIn PDF document text
  • https://pensiunea-escape.ro/ckfinder/userfiles/files/vozutupezobanalowur.pdfIn PDF document text
  • http://thedreams.cz/files/90175059321.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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