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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://queure.ru/uplcv?utm_term=carmina+burana+pdf+partitura+imslp PDF link annotation

  • http://dobraukraina.org/sites/all/sites/dobraukraina.org/files/4385507353.pdfIn PDF document text
  • http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/1619ca22fb682f---29801392304.pdfIn PDF document text
  • https://wigs4less.net/nbloom/fckuploads/file/43459387255.pdfIn PDF document text
  • http://101balkon.ru/upload/files/duvabisubemono.pdfIn PDF document text
  • http://tlumacz-lipno.pl/pdrzewiecki/files/xomizof.pdfIn PDF document text
  • http://makrostal.pl/user_images/file/37123104004.pdfIn PDF document text
  • http://onroerendgoedindex.nl/images/uploads/zeroputugunageketiwi.pdfIn PDF document text
  • http://alotercuman.com/ckfinder/userfiles/files/71407840236.pdfIn PDF document text
  • http://piri-piri.pl/ckfinder/userfiles/files/57196163373.pdfIn PDF document text
  • http://www.anclupnapoli.it/userfiles/file/98916328991.pdfIn PDF document text
  • https://www.harnoordesigns.com/wp-content/plugins/super-forms/uploads/php/files/f45d6036798b4cfbd1fb67c4f02982bd/59641886190.pdfIn PDF document text
  • https://megashina24.ru/files/files/2430642359.pdfIn PDF document text
  • https://www.andeanskyline.com/wp-content/plugins/formcraft/file-upload/server/content/files/16195de7f3cd2b---navowe.pdfIn PDF document text
  • https://cncostruzioni.com/userfiles/file/68386428304.pdfIn PDF document text
  • https://pu-sk.com/app/templates/js/ckfinder/userfiles/files/12930332115.pdfIn PDF document text
  • https://mkserwis.pl/userfiles/file/88128167768.pdfIn PDF document text
  • http://belv.ru/userfiles/file/tavojuwupizowukasiximo.pdfIn PDF document text
  • http://kerama.altrodesign.eu/ckfinder/userfiles/files/xumevevibaximez.pdfIn PDF document text
  • https://www.hdcorp.com.br/wp-content/plugins/super-forms/uploads/php/files/pl668t9j56b74fs99rnjcgtis9/16404843545.pdfIn PDF document text
  • https://andhimazhai.com/images/files/50790493865.pdfIn PDF document text
  • http://chukguwang.com/files/fckeditor/file/68523752843.pdfIn PDF document text
  • http://realfootball.gr/userfiles/file/jukixusatisexikip.pdfIn PDF document text
  • http://www.barankayalar.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16189c0ad02d1e---74670898711.pdfIn PDF document text
  • http://provia-events.de/pics/fotos/1/file/nagupatopewilakebek.pdfIn PDF document text
  • http://katachizu.com/img/news/files/davezagifowa.pdfIn PDF document text
  • http://everestlodgelukla.com/userfiles/file/valovozam.pdfIn PDF document text
  • https://kpk.1c.ru/admin/rc/ckeditor/kcfinder/upload/files/39059660312.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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