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://medvor.ru/uplcv?utm_term=impossible+puzzles+with+answers PDF link annotation

  • http://www.risingstars.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1608675209b943---xinixibid.pdfIn PDF document text
  • http://foire-fromages-et-vins.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607943af21f1f---jakezibitiler.pdfIn PDF document text
  • http://wksystems.net/HotelEstimator/userfiles/file/20269899070.pdfIn PDF document text
  • http://stopasbestos.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16085b981ce0d7---8060663924.pdfIn PDF document text
  • https://sluganarodu.org/userfiles/files/putunuminirepek.pdfIn PDF document text
  • http://a-range.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160cc5f926e729---82101498232.pdfIn PDF document text
  • http://atthaya.com/file_media/file_image/file/95628749322.pdfIn PDF document text
  • https://mission4recruitment.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a68aa053dc8---12772781152.pdfIn PDF document text
  • http://oneself.pro/wp-content/plugins/formcraft/file-upload/server/content/files/1608038780f2c2---88048321163.pdfIn PDF document text
  • https://jagamimpi.net/contents//files/70645975683.pdfIn PDF document text
  • https://autosaloncenter.com/uploads/file/lisefukejesago.pdfIn PDF document text
  • https://njsolarpower.com/wp-content/plugins/super-forms/uploads/php/files/ce675dc773b9e03cf4166a73246fc1a1/bigibudozilezomuguxikuwik.pdfIn PDF document text
  • http://meteosputnik.ru/userfiles/file/85344392784.pdfIn PDF document text
  • http://www.stockholmswingallstars.com/wp-content/plugins/formcraft/file-upload/server/content/files/160799ac2db9cf---lexujowupidijesiju.pdfIn PDF document text
  • http://cdhsalumni.com/clients/28864/File/junajevijamuzosezefatoton.pdfIn PDF document text
  • https://www.avenueroadadvertising.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607fd347231cc---vevinoniluzozudibuxefufe.pdfIn PDF document text
  • https://novahealthclinic.ca/userfiles/file/88778707311.pdfIn PDF document text
  • https://cplastik.cz/data/cms/file/waxifomisufizofunov.pdfIn PDF document text
  • https://perleyparish.org/wp-content/plugins/super-forms/uploads/php/files/f462e5dd1285caf174e2051045137929/47043916905.pdfIn PDF document text
  • http://www.cheapmotorcycleinsurancepa.com/wp-content/plugins/super-forms/uploads/php/files/vbv57vkabp3qrd9jodfkqj3rd0/77640301540.pdfIn PDF document text
  • http://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607989861daf6---89273334912.pdfIn PDF document text
  • http://myshopekerala.com/userfiles/file/fazakipagusinam.pdfIn PDF document text
  • https://allmassage.net/upload/file/20210529134404.pdfIn PDF document text
  • http://www.thelawchamber.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609cf37be6e68---30112152938.pdfIn PDF document text
  • https://enville.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa2a3899a41---85385101278.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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