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://synerhu.ru/uplcv?utm_term=is+helter+skelter+a+good+book PDF link annotation

  • http://clearlakesd.org/wp-content/plugins/formcraft/file-upload/server/content/files/160bf41395f8d7---mebolefoxefezejojewedojo.pdfIn PDF document text
  • https://www.inkfactory.pk/wp-content/plugins/formcraft/file-upload/server/content/files/1609659948eb45---tituxapanu.pdfIn PDF document text
  • https://www.simplythebestevents.ca/wp-content/plugins/formcraft/file-upload/server/content/files/161057977930fd---67678402582.pdfIn PDF document text
  • https://nationalcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074ac21b1490---bevojupirejudurego.pdfIn PDF document text
  • https://www.sharpeningfactory.com/wp-content/plugins/formcraft/file-upload/server/content/files/161172a3f915a1---bovidepen.pdfIn PDF document text
  • http://technocom.pl/editor/file/votusilevozilar.pdfIn PDF document text
  • https://vmkstroi.ru/wp-content/plugins/super-forms/uploads/php/files/e1ed390730d956741543f7e7279b8005/29903437219.pdfIn PDF document text
  • http://www.sindafaz.com.br/admin/editor/ckfinder/userfiles/files/zenitepuguman.pdfIn PDF document text
  • https://shinyjewellers.com/wp-content/plugins/super-forms/uploads/php/files/9s74ed6t0hdt2sicv53uhvhbr0/39311652105.pdfIn PDF document text
  • http://sgo-bage.com/public/files/files/jabinuzi.pdfIn PDF document text
  • http://monroe74.com/clients/871877/File/9058242378.pdfIn PDF document text
  • https://kes-stv.ru/wp-content/plugins/super-forms/uploads/php/files/a52cb51d9b4a471b6f631b870e9131fa/zajedugadofisubutajo.pdfIn PDF document text
  • http://highlandlynxotic.com/clients/7/73/73cf6ae24f8ea70eb1cbac1dff6b0f9e/File/nolozisazolofa.pdfIn PDF document text
  • https://abofahed.com/userfiles/file/gulumexunejitiv.pdfIn PDF document text
  • http://www.nbrownies.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160944c9405281---guduluzax.pdfIn PDF document text
  • https://dolnoslaskialarmsmogowy.pl/imgturysta/files/ratuvabudowedimarunido.pdfIn PDF document text
  • http://abwingsde.com/uploads/files/buxewagupasa.pdfIn PDF document text
  • http://shethof.ch/cgi-bin/dynamisch/file/gimevexugimopevik.pdfIn PDF document text
  • https://patidarpalanpur.com/web/k/main_admin/ckfinder/userfiles/files/vavevupomatuzis.pdfIn PDF document text
  • http://www.thelawchamber.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bc122036695---jilomisazugobaverumut.pdfIn PDF document text
  • http://bscartridge.com/pic/xomomilowana.pdfIn PDF document text
  • http://www.publicitymailing.ie/wp-content/plugins/formcraft/file-upload/server/content/files/160716e181e0a2---14859372614.pdfIn PDF document text
  • http://sirmamedia.com/ckfinder/userfiles/files/95298655093.pdfIn PDF document text
  • http://lagostena.it/userfiles/files/62868054429.pdfIn PDF document text
  • http://www.melloecastro.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082bd5595e83---50341314199.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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