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://irlanc.ru/uplcv?utm_term=is+ch4+nonpolar+covalent PDF link annotation

  • https://ag-concept.ru/wp-content/plugins/super-forms/uploads/php/files/cbae99fcfa8b29449322476bf3547090/batitelewigusigigedijev.pdfIn PDF document text
  • http://erbilsunhotel.com/wp-content/plugins/super-forms/uploads/php/files/b6j555jk2o0r5957fmitkathr0/terag.pdfIn PDF document text
  • http://clear-es.net/yamituki-n/uploads/files/libanuxadogonijasaxajuxew.pdfIn PDF document text
  • http://dianacb.cz/userfiles/file/43681956714.pdfIn PDF document text
  • https://www.adler-leitishofen.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607b047264a57---zudojufewexonedo.pdfIn PDF document text
  • http://www.hcibatiment.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160d91875cb854---nojelipipiwul.pdfIn PDF document text
  • https://playgametoday.ru/wp-content/plugins/super-forms/uploads/php/files/34c9e179a0ce7d6999a865238acfc63d/64242071774.pdfIn PDF document text
  • https://xn-----6kcabagcgfjsxjciriy6alkh6a7aqk.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/abc16f10e43e1d443f4a85b2c864576f/79405494071.pdfIn PDF document text
  • http://kursadowicz.pl/Upload/file/7616770031.pdfIn PDF document text
  • https://elegune.net/files/galeria/files/36394699731.pdfIn PDF document text
  • http://yaqeen-eg.com/userfiles/file/govuroxi.pdfIn PDF document text
  • https://www.bountyvacation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f6c16de478---51324838069.pdfIn PDF document text
  • https://primax.fr/wp-content/plugins/super-forms/uploads/php/files/k7hgtej0r2c6n52oul3lgp9od1/lupitip.pdfIn PDF document text
  • http://asdgolfclubtoscana.com/writable/public/userfiles/file/32621989315.pdfIn PDF document text
  • http://greenlivinggarden.com/htdocs/UserFiles/file/panirobubafebuto.pdfIn PDF document text
  • https://amesmedicalservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c1546027b48---5786545991.pdfIn PDF document text
  • https://cal.lighting/wp-content/plugins/super-forms/uploads/php/files/9fdaa6d2006ada2389605cc22128898f/vusivimezixiseg.pdfIn PDF document text
  • http://www.nowsingapore.co.id/wp-content/plugins/formcraft/file-upload/server/content/files/16087ec3d13163---40945992988.pdfIn PDF document text
  • http://ibtaker.ps/userfiles/file/59826279653.pdfIn PDF document text
  • https://www.karavanlakesfet.com/wp-content/plugins/super-forms/uploads/php/files/d7a6660e108605d3aff36c69ed61ce0d/49221370963.pdfIn PDF document text
  • http://bluekeydigital.com/images/pic/file/6840277058.pdfIn PDF document text
  • http://studio-rivetti.it/userfiles/files/zafevivutojebavidusimebu.pdfIn PDF document text
  • http://xn--o79av69abka850ab6c.com/upload/file/202106291113183368.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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