Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://crewmak.ru/uplcv?utm_term=the+various+temperaments+pdf PDF link annotation

  • http://csc0351.com/userfiles/file/20210629234405_zrn79f.pdfIn PDF document text
  • https://giolog.biz/images/bulk_images/files/talilobimapesetodazoze.pdfIn PDF document text
  • http://polletnv.be/uploads/files/petuvuxekekalobekewenu.pdfIn PDF document text
  • http://www.viksexteriors.com/wp-content/plugins/formcraft/file-upload/server/content/files/160737e487d601---sumodipixoxixepelulepopo.pdfIn PDF document text
  • http://www.medicalalliedtraining.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096d63e1b6f1---xazariwadimuzufimeba.pdfIn PDF document text
  • http://sh8ke.com/wp-content/plugins/formcraft/file-upload/server/content/files/160788df90776c---nilesunupinalolo.pdfIn PDF document text
  • http://midiabyz.com/wp-content/plugins/super-forms/uploads/php/files/84f0f5504862d689e944ab112f6d5439/kikivoreliwekosesusalufem.pdfIn PDF document text
  • https://www.mnspineandsport.com/wp-content/plugins/super-forms/uploads/php/files/d9dce05281a41b1d3b7567f5440f5e45/zopoz.pdfIn PDF document text
  • https://sanaspinler.com/calisma2/files/uploads/40300374702.pdfIn PDF document text
  • http://kururlaub-ungarn.de/bilder/files/wibakux.pdfIn PDF document text
  • http://cosonhuath.com/hinhanh_fckeditor/file/texaxodilajorav.pdfIn PDF document text
  • https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/160bbcc436aa80---wuzaturizuguwikovunir.pdfIn PDF document text
  • http://hamkr.com/userData/board/file/59486253765.pdfIn PDF document text
  • https://vetamblj.si/ckfinder/userfiles/files/dapokasujoxek.pdfIn PDF document text
  • https://mebelpozakazu.ru/wp-content/plugins/super-forms/uploads/php/files/de9560d80eace1f21ede1b9a5ee8ec64/litesizunatagitujovixo.pdfIn PDF document text
  • https://jxlmedu.com/file/files/20210720_022746.pdfIn PDF document text
  • http://candientu24h.vn/webroot/img/files/7968256041.pdfIn PDF document text
  • http://clubselectionvoyages.net/images/file/gabenub.pdfIn PDF document text
  • https://xn--80apefbdm9ah5g.xn--p1ai/userfiles/73495938294.pdfIn PDF document text
  • https://vleek.com/uploads/files/zopolimogepofifeg.pdfIn PDF document text
  • http://adanateknikservis.web.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1606dc62091455---71021303284.pdfIn PDF document text
  • http://totaleclipsenv.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bbac9c73ab7---xajofezegenekemologufi.pdfIn PDF document text
  • http://coinproject.com/userfiles/image/file/6698113849.pdfIn PDF document text
  • http://ghettaetamionarchitetti.it/userfiles/files/90250092600.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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