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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://oniceh.ru/uplcv?utm_term=pdf+compressor+for+web PDF link annotation

  • http://bjhtdszdh.com/v15/Upload/file/20219261425526.pdfIn PDF document text
  • https://www.grandiosa.is/wp-content/plugins/super-forms/uploads/php/files/jpv0oc015afrev8gj330qs4jb6/vigapenitekenel.pdfIn PDF document text
  • http://www.korayozelguvenlik.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611d5380ccaf2---69117299048.pdfIn PDF document text
  • https://lymfologi.se/anvandarbilder/221/files/39042573579.pdfIn PDF document text
  • https://thesmithgrouphouston.com/wp-content/plugins/super-forms/uploads/php/files/c3ee79806c9c7ccb88e070febf996f17/lugobobofokivilewaju.pdfIn PDF document text
  • https://nceptionsolutions.com/wp-content/plugins/super-forms/uploads/php/files/366e74895bb029e09b2917653bb3b333/tibipizatenog.pdfIn PDF document text
  • http://matras-devison.com/upload/file/nufemabasiraw.pdfIn PDF document text
  • http://hydrem.ru/images/file/75475997169.pdfIn PDF document text
  • http://www.horakgolf.cz/ckfinder/userfiles/files/poxedovis.pdfIn PDF document text
  • http://apexhealthnutrition.com/newerac2c/userfiles/file/92916282125.pdfIn PDF document text
  • http://abapaposentados.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160ede334db4ae---tepijufitasewexuwu.pdfIn PDF document text
  • http://mesotects.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c21e1133f33---15683824896.pdfIn PDF document text
  • http://bogaarchitetti.it/userfiles/files/1996010661.pdfIn PDF document text
  • http://aedjtjdshbf.pretty-match.com/upload/files/fifopusamuxupukarozuje.pdfIn PDF document text
  • http://nissanotogovap.net/uploads/images/files/36684880039.pdfIn PDF document text
  • https://thegioibaobicarton.com/Images_upload/files/munulixajela.pdfIn PDF document text
  • http://www.tsssport.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bdfa8a9181e---kijiderubaxuraletuz.pdfIn PDF document text
  • http://www.tenniscanberra.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160b3eb7876256---92424793711.pdfIn PDF document text
  • https://stagerightstaging.com/wp-content/plugins/super-forms/uploads/php/files/d6ff7ef8342a97ad05bae3366a22fa04/77888820809.pdfIn PDF document text
  • https://www.retake.dk/ckfinder/userfiles/files/nukujerupipotuwefekum.pdfIn PDF document text
  • https://g3az.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bac13ccca63---9918654813.pdfIn PDF document text
  • http://scvumaichiramen.com/uploads/files/16389811042.pdfIn PDF document text
  • http://doubler-son-capital.com/photos/files/dubezavurebivozajodono.pdfIn PDF document text
  • http://jingchengs.com/jingchengs/ckfinder/files/20210802155344.pdfIn PDF document text
  • http://recamonde.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a1b0203a078---31448691637.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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