Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://medvor.ru/uplcv?utm_term=dictionary+of+economic+plants+pdf PDF link annotation

  • http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160b5074961b1c---96323868162.pdfIn PDF document text
  • https://octvads.site/js/ckfinder/userfiles/files/46255011374.pdfIn PDF document text
  • http://vuadiemtayninh.com/hinhanh_fckeditor/file/4286718572.pdfIn PDF document text
  • http://france-ex.com/images/blog//file/xodonedasegodanarum.pdfIn PDF document text
  • http://novussiteyonetimi.com/uploads/file/20989185266.pdfIn PDF document text
  • https://brahmagnanam.org/fck_uploads/file/88515575093.pdfIn PDF document text
  • https://otelnamore.com/wp-content/plugins/super-forms/uploads/php/files/7399ae980bd36d6ffa06e55bafcbfb15/22858994690.pdfIn PDF document text
  • http://www.pointcookelectrician.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1606e062270d2b---78281936729.pdfIn PDF document text
  • https://ocvirapuato.com.mx/wp-content/plugins/super-forms/uploads/php/files/6f9d23cd7902afe6cf0aeeb5070581bb/89714558600.pdfIn PDF document text
  • http://gsemilia.it/userfiles/files/12770135231.pdfIn PDF document text
  • http://www.moteco.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16100c704c29c3---vufutasoxekajupoxigas.pdfIn PDF document text
  • http://gezond-trakteren.nl/kasteel-doornenburg-img/bestandenfile/11564964290.pdfIn PDF document text
  • http://perlawarmii.pl/userfiles/file/fusonebukaruxuv.pdfIn PDF document text
  • http://www.bestlifepolicy.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160986fb3a4f05---96033543288.pdfIn PDF document text
  • https://gesema.com/UserFiles/file/24325766981.pdfIn PDF document text
  • http://vmkmsz.hu/userfiles/file/38486850000.pdfIn PDF document text
  • https://nhaban24h.com.vn/wp-content/plugins/super-forms/uploads/php/files/ehc86gmkjhqovltdu3918sess0/leduxowino.pdfIn PDF document text
  • http://www.publicitymailing.ie/wp-content/plugins/formcraft/file-upload/server/content/files/1607cd10b9759a---71060888597.pdfIn PDF document text
  • https://wamsconference.com/wp-content/plugins/super-forms/uploads/php/files/3c6686f0aeca0c83d9b39e2a62ee2f6a/35533348906.pdfIn PDF document text
  • http://weiken-rc.com/upload/files/90895674848.pdfIn PDF document text
  • http://dossalas.com/wp-content/plugins/super-forms/uploads/php/files/7da3894d0286632ba40225fb44dcd70b/11767099751.pdfIn PDF document text
  • https://spbmworld.com/anaeter_capital/siteadmin/userfiles/files/lemebofuwudi.pdfIn PDF document text
  • http://equipociclistaugeraga.com/ciclistas/userfiles/file/93119091178.pdfIn PDF document text
  • http://pantryscan.com/123cars/imagefck/file/jajotevojipabim.pdfIn PDF document text
  • https://globalazeri.az/wp-content/plugins/super-forms/uploads/php/files/8j6mc3g1tua4ad8qllsuls8o05/24552521918.pdfIn PDF document text
  • https://markzone.az/wp-content/plugins/super-forms/uploads/php/files/lni1sq3lrr7hcmc3uk4itbrhqk/tunefovelawena.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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