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 http://chiangmai-clean.com/user_img/files/36031450440.pdf In PDF document text

  • https://admonks.ru/wp-content/plugins/super-forms/uploads/php/files/a7bd316ba05aa6e7bc092562304aec29/nivimawatizatagebogun.pdfIn PDF document text
  • https://mosoptagro.ru/wp-content/plugins/super-forms/uploads/php/files/0a254a59504c2077f2b03bed966bb12a/wiruzidizif.pdfIn PDF document text
  • http://royalrep.com/userfiles/files/48220734478.pdfIn PDF document text
  • http://www.medical-psychology.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160f07ed2910b4---zewaluwobi.pdfIn PDF document text
  • https://www.propertyfilevault.com/wp-content/plugins/super-forms/uploads/php/files/84d1a7cf8a76fbd4546a89346b14d821/jewisajinite.pdfIn PDF document text
  • http://nicolalazzarotto.com/userfiles/files/90986015654.pdfIn PDF document text
  • https://clove7.com/userfiles/file/51989465855.pdfIn PDF document text
  • https://www.lashharmony.co.uk/wp-content/plugins/super-forms/uploads/php/files/2ba6bsu54qnummsq8bemlno9ia/89477058648.pdfIn PDF document text
  • http://rybarict.cz/webpagebuilder/ckfinder/userfiles/files/fekunumosig.pdfIn PDF document text
  • https://bellevuecommunityfoodbank.org/wp-content/plugins/super-forms/uploads/php/files/afc8c153fba6e3758061f465dc018b3f/36406888331.pdfIn PDF document text
  • https://pharmnet.cz/ckfiles/files/files/24421714484.pdfIn PDF document text
  • http://mulherinscampground.com/clients/879992/File/vewazifiwonobo.pdfIn PDF document text
  • http://liweisteel.co.th/ckfinder/userfiles/files/duxawedizofawapovowini.pdfIn PDF document text
  • https://stellabakingcompany.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d61dad1831d---20394791871.pdfIn PDF document text
  • https://iqmuseum.mn/uploads/files/82578686332.pdfIn PDF document text
  • http://www.nbc.com.vn/ckfinder/userfiles/files/65816040425.pdfIn PDF document text
  • http://pferdefreunde-brueckenhof.de/sites/default/files/userfiles/file/gofodofexifepebelijideme.pdfIn PDF document text
  • http://mudrberanova.cz/userfiles/file/42228844409.pdfIn PDF document text
  • http://ip-golubev.ru/ckfinder/userfiles/files/45552530608.pdfIn PDF document text
  • https://gregoryshow.ru/files/file/97712558716.pdfIn PDF document text
  • https://dijitalsanat.link/upload/files/nigekonidalekogutiju.pdfIn PDF document text
  • https://mithermomix.com.mx/wp-content/plugins/super-forms/uploads/php/files/72d8956a31f9e354cf0ed8bbd0bbf924/5931549202.pdfIn PDF document text
  • http://hakkabrothers.com/userfiles/file///rixes.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=pedigree+worksheet+2+hemophilia+the+royal+disease+answer+keyPDF link annotation
  • 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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