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://nomylo.ru/uplcv?utm_term=masaharu+taniguchi+livros+pdf PDF link annotation

  • http://kystop.com/wp-content/plugins/super-forms/uploads/php/files/out2p84nurevpc47p2p7i1aqp0/66197527439.pdfIn PDF document text
  • http://mdfgiare.com/upload/files/pewulenuli.pdfIn PDF document text
  • http://myphamlulanjina.com/upload/files/35623941189.pdfIn PDF document text
  • https://wacee.net/wp-content/plugins/formcraft/file-upload/server/content/files/16091a7c9599c7---gajokuki.pdfIn PDF document text
  • http://stcforanebanglore.smcim.com/www/js/ckfinder/userfiles/files/rakidavipitade.pdfIn PDF document text
  • http://humboldthighclassof79.com/clients/1/19/19f040aad945c40a0acbd79abd3dc6cb/File/13799997312.pdfIn PDF document text
  • http://anhuizhkj.com/upload_fck/file/2021-7-13/20210713035741883475.pdfIn PDF document text
  • http://zabbeleecooking.com/ckfinder/userfiles/files/daninelakikuzedaseki.pdfIn PDF document text
  • http://101-games.ru/images/uploads/files/63894304788.pdfIn PDF document text
  • http://modelkyujin.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a14907b7557---jeveru.pdfIn PDF document text
  • http://www.peretprod.ro/content-images/file/tunigejuzav.pdfIn PDF document text
  • https://lescourailleurs.com/upload/editor/file/9067890350.pdfIn PDF document text
  • https://irish-setter-zucht.info/ckfinder/userfiles/files/27659047053.pdfIn PDF document text
  • http://www.fotografoeventimilano.com/wp-content/plugins/formcraft/file-upload/server/content/files/160868826a2175---5173771492.pdfIn PDF document text
  • http://nikacarpet.com/My_Project/Hamishe_bahar/ahar_img/files/57742806549.pdfIn PDF document text
  • http://akgikorea.com/file_upload/fck_upfile/file/vaparisebu.pdfIn PDF document text
  • http://chronicles.ae/userfiles/files/bimivagebimaruxokevebi.pdfIn PDF document text
  • https://schreinerheusi.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607c2436e7609---mowowaxageselugod.pdfIn PDF document text
  • https://cochleartudaskozpont.hu/files/bipekalarezefowiveki.pdfIn PDF document text
  • https://antoinepanau.com/wp-content/plugins/super-forms/uploads/php/files/c36ddb0abb9e5613beebc5ffa301fb79/sibutu.pdfIn PDF document text
  • http://kavernoklub.com/campannas/file/86190117962.pdfIn PDF document text
  • http://prttour.ca/FileData/ckfinder/files/20210801_2385C2DF371E9A64.pdfIn PDF document text
  • https://bdaudit.ro/userfiles/file/76718537326.pdfIn PDF document text
  • https://shotclock.ca/wp-content/plugins/super-forms/uploads/php/files/addd5d880c1b2315aef66650b84cd593/gugabaxiradadedogumi.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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