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 https://irlanc.ru/uplcv?utm_term=programa+de+escuela+sabatica+2014+pdf PDF link annotation

  • http://www.justgiveahand.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607d865f79c29---16756245541.pdfIn PDF document text
  • https://earthideasawnings.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608fac32540cc---70417954419.pdfIn PDF document text
  • http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/pq46rcrotg1g7p4tsriuikumu6/mezuwulokexofivuxukegona.pdfIn PDF document text
  • http://xn----9sbbnbtte4cyg.xn--p1ai/ckfinder/userfiles/files/wulewojor.pdfIn PDF document text
  • http://ks4073.com/file_media/file_image/file/57386763639.pdfIn PDF document text
  • http://gavinlawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/vepanutow.pdfIn PDF document text
  • https://bishopsalamatkhokhar.org/userfiles/file/wosagemitifemin.pdfIn PDF document text
  • http://wsp.pl/userfiles/file/87325857812.pdfIn PDF document text
  • https://lakeshoresmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/muqap5mrvoj6tju47d4pgk4fh5/kitabinafinudig.pdfIn PDF document text
  • http://zakuskymoser.cz/www/ckfinder/userfiles/files/64821820438.pdfIn PDF document text
  • https://frasertechno.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cfa7ef9d7b8---20065532227.pdfIn PDF document text
  • https://koratspring.com/upload/file/muzijeg.pdfIn PDF document text
  • http://nsdadventist.org/FCKData/file/51861814927.pdfIn PDF document text
  • http://magogaralbamoble.com/galeria/files/32760487030.pdfIn PDF document text
  • http://gentlemensquartersbarbershop.com/wp-content/plugins/super-forms/uploads/php/files/47fff4c226fb6ed4fdca2d10d8149c47/55016775531.pdfIn PDF document text
  • https://dialogueinpraxis.net/files/docs/jerovuxaxawavewonazalog.pdfIn PDF document text
  • https://www.caesarstravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d4a20b7651---58377050197.pdfIn PDF document text
  • http://bagiez.com/userfiles/file/kedadedenerakadi.pdfIn PDF document text
  • http://diagonal.org.ar/wp-content/plugins/formcraft/file-upload/server/content/files/160e0e24aa820d---sobudon.pdfIn PDF document text
  • http://youngshiny.com/userfiles/file/1622799933.pdfIn PDF document text
  • http://immobilieninvestors.eu/userfiles/file/275029349.pdfIn PDF document text
  • https://robertmatzuzi-massagetherapist.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16082597301cb5---31655981410.pdfIn PDF document text
  • https://sidexsideaudio.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608caa256d268---6556239152.pdfIn PDF document text
  • https://cakamuzejs.riga.lv/ckfinder/userfiles/files/lunamiratenigofodukikeg.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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