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://laborke.ru/uplcv?utm_term=physics+for+scientists+and+engineers+2nd+edition+solutions+pdf PDF link annotation

  • https://www.americanapi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c3b378c250---10981674664.pdfIn PDF document text
  • http://maility.pl_adresuserfiles/file/koxararaxumuvopuz.pdfIn PDF document text
  • http://aeronautike.com/userfiles/file/68372626751.pdfIn PDF document text
  • https://panificiopasticceriabattaglia.it/file/xinuzefuz.pdfIn PDF document text
  • https://tamtam.com.ua/wp-content/plugins/super-forms/uploads/php/files/68ef0638fd29a384304dd4fc5997672c/29341223567.pdfIn PDF document text
  • http://rorolaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/32524334113.pdfIn PDF document text
  • https://swift-tw.com/lcc/upload/files/kunudawiv.pdfIn PDF document text
  • http://www.vivelamusica.es/wp-content/plugins/formcraft/file-upload/server/content/files/160ac0f8c3bb20---77537008132.pdfIn PDF document text
  • http://www.marcelasemper.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074d343dbb17---zejuxav.pdfIn PDF document text
  • http://verkoop-je-wagen.be/wp-content/plugins/formcraft/file-upload/server/content/files/16082b47e1ca27---66878467110.pdfIn PDF document text
  • https://djhelaly.com/wp-content/plugins/super-forms/uploads/php/files/3ca71ceb7bdac1bb87810071842ca503/liwimuvu.pdfIn PDF document text
  • https://acethamessecurity.co.uk/wp-content/plugins/super-forms/uploads/php/files/8fa02aa42eb880690a3284adad6425c3/23524445625.pdfIn PDF document text
  • https://qualitycountscleaning.com/wp-content/plugins/super-forms/uploads/php/files/de4f9e5ce47c34ecdc6ff1400c66d16a/fofugivodezid.pdfIn PDF document text
  • http://www.klpreschool.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607725e5334a7---kekoxizofivoja.pdfIn PDF document text
  • http://tiramisu-o.com/yamituki-n/uploads/files/29999927533.pdfIn PDF document text
  • http://pvsystexperts.com/wp-content/plugins/super-forms/uploads/php/files/q478nfjg2fq9ckibtvt3gej0b2/12081997349.pdfIn PDF document text
  • https://fcksa.com/ckfinder/userfiles/files/kesoxalomovadoz.pdfIn PDF document text
  • https://theshairpodcast.com/wp-content/plugins/super-forms/uploads/php/files/d876dc995d7019cc35c20f1d6a0e7727/gufixivobexubogamureda.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ce6d6b4d0cc---63441776937.pdfIn PDF document text
  • https://theelementrama9.com/userfiles/files/rigibuvikitideme.pdfIn PDF document text
  • https://www.hamburgeriaagricola.com/wp-content/plugins/super-forms/uploads/php/files/t3pcd9mklmv0cqumbmif03bomt/96529937949.pdfIn PDF document text
  • http://finsura-lifedirect.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16089d530a7c2d---suxaxemiti.pdfIn PDF document text
  • http://blpest.com/UserFiles/file/65308033082.pdfIn PDF document text
  • https://rhagro.com.mx/wp-content/plugins/super-forms/uploads/php/files/9146196864a1ec67c5658757b66acba9/ledagesoguj.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608765d778304---26569784742.pdfIn PDF document text
  • http://emailreceptionist.net/userfiles/file/wijikokaxewamu.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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