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://chcial.ru/uplcv?utm_term=first+derivative+calculator PDF link annotation

  • https://0800-707-808.com/upload/ckfinder_temp/files/20210907224958.pdfIn PDF document text
  • http://siciny.pl/userfiles/file/roxedofaxofibepuz.pdfIn PDF document text
  • http://lussoleathertiles.com/test4/EDITOR/example/v2/userfiles/file/20882939619.pdfIn PDF document text
  • http://peggylittlelawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/sopuvejafebikepox.pdfIn PDF document text
  • https://psihodesk.ro/ckfinder/userfiles/files/rojomovatikowo.pdfIn PDF document text
  • https://beautifullifeuk.com/wp-content/plugins/super-forms/uploads/php/files/55aa46c49ed495c76ad00856a2992721/55236332171.pdfIn PDF document text
  • http://szwygs.com/upload/wokidi.pdfIn PDF document text
  • http://akbmodel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139ef12f3b47---27536201730.pdfIn PDF document text
  • http://yomamasushitogo.com/uploads/files/46961373584.pdfIn PDF document text
  • http://architettobotteonpierpaolostudioabacus.it/userfiles/files/dowigutexobure.pdfIn PDF document text
  • http://xn--80aer5aza.xn--c1acndkmcarx.xn--p1ai/ckfinder/userfiles/files/wudefawogibenufivuvu.pdfIn PDF document text
  • http://www.stratcareerservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e288a9cf32---kogejesesuke.pdfIn PDF document text
  • https://terlickodds.cz/www/www/fckphotos/file/mupefa.pdfIn PDF document text
  • http://apexibd.com/uploads/fck_uploads/file/kosijovubimexaduzunedur.pdfIn PDF document text
  • http://saraya-shop.ru/upload/files/81184083280.pdfIn PDF document text
  • https://nadrozmerne-sklo.cz/uploads/fazuxef.pdfIn PDF document text
  • https://gitedu.in/ckfinder/userfiles/files/boneloxetokuk.pdfIn PDF document text
  • https://immo-macedo.lu/userfiles/files/ruxemede.pdfIn PDF document text
  • https://kungfuclasshongkong.com/louis/taichi/ckfinder/userfiles/files/kasonebutapedab.pdfIn PDF document text
  • http://elmiraclassiccountry.com/wp-content/plugins/super-forms/uploads/php/files/191da2da6993648a1ce367cce5f445db/59225609196.pdfIn PDF document text
  • http://indiebookoftheday.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ca8a91c2e3---rixaduruvufowivunenuk.pdfIn PDF document text
  • https://wct.goldcrownresort.com/magazine_files/files/96208172083.pdfIn PDF document text
  • https://lostfoundglobal.com/userfiles/file/5820000830.pdfIn PDF document text
  • http://www.sport-konyv.hu/userfiles/file/32618528646.pdfIn PDF document text
  • http://www.pantonerestauri.com/ckfinder/userfiles/files/sarixanetiwibegaxopelenuw.pdfIn PDF document text
  • http://zonwering-nederland.com/ckfinder/userfiles/files/42981474203.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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