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://allytemp.ru/uplcv?utm_term=social+science+book+7th+class PDF link annotation

  • https://whitesal.com/data/images/file/4562_20210806201411.pdfIn PDF document text
  • https://www.gml.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607e800084ba8---vemadepelogexulagazafagat.pdfIn PDF document text
  • http://konyaozgunmobilya.com/userfiles/file/94471683858.pdfIn PDF document text
  • http://tradeweb.es/userfiles/file/7370432800.pdfIn PDF document text
  • http://hakkabrothers.com/userfiles/file///13837454412.pdfIn PDF document text
  • https://digireg.sk/upload/zevixesisewiwakosato.pdfIn PDF document text
  • http://twilaw.com/files/files/90800783912.pdfIn PDF document text
  • http://www.zywawiara.pl/pliki/dorakifojidufexidifesu.pdfIn PDF document text
  • http://sarahscupcakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c93bfd10484---pakaxuberaxigekopelamakar.pdfIn PDF document text
  • http://kurpinar.com/img/userfiles/files/57703750810.pdfIn PDF document text
  • https://www.ezhealthcheck.com/wp-content/plugins/super-forms/uploads/php/files/ejbsc8s7501mdcmagih51agefs/67551280976.pdfIn PDF document text
  • https://prosegik.com/wp-content/plugins/super-forms/uploads/php/files/85d705bd83db5968c2f66583f8f072de/26802669228.pdfIn PDF document text
  • http://bangkokmagnetwire.com/ecodev_test/image_system/files/84118444933.pdfIn PDF document text
  • http://freemansphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611ddaa123e78---51620875571.pdfIn PDF document text
  • http://bloomx.com/sites/all/sites/bloomx.com/files/12357195011.pdfIn PDF document text
  • http://willtorock.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610f9b64b910b---85107678902.pdfIn PDF document text
  • http://arndt-fahrschule.de/userfiles/file/20153430279.pdfIn PDF document text
  • http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16080dd84eb7e0---sukiza.pdfIn PDF document text
  • http://aldo-ins.com/userfiles/file/fapotanesesuju.pdfIn PDF document text
  • https://fullgame.hu/uploads/files/mewep.pdfIn PDF document text
  • http://www.jhannahs.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b1f7191df74---podorugepozesiwidatelisa.pdfIn PDF document text
  • http://aibasylhet.edu.bd/app/webroot/ckfinder/userfiles/files/47931415710.pdfIn PDF document text
  • https://noukos.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160f0c6a16f848---degifedonerodoxiwasesos.pdfIn PDF document text
  • https://cncunse.com/d/files/pokameziwezakabati.pdfIn PDF document text
  • https://ceral.pl/ceral/pliki/file/3361360090.pdfIn PDF document text
  • http://e-sportis.com/images/upload/gipudomel.pdfIn PDF document text
  • http://benedictinoselrosal.org/ckfinder/userfiles/files/8718861142.pdfIn PDF document text
  • https://www.rt9.rspo.org/ckfinder/userfiles/files/56148293180.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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