Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://crysiq.ru/uplcv?utm_term=how+to+download+apps+into+sd+card PDF link annotation

  • http://pazzo.jp/js/upload/files/23375583835.pdfIn PDF document text
  • https://www.agro-zavod.ru/app/webroot/js/ckfinder/userfiles/files/4030057542.pdfIn PDF document text
  • http://gernano.eu/gfx/userfiles/files/66024599904.pdfIn PDF document text
  • http://trungtamdaykem.vn/Images_upload/files/94290174788.pdfIn PDF document text
  • https://2acontractor.it/images/file/20632441524.pdfIn PDF document text
  • https://unitedcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b62c4721f4---dujejum.pdfIn PDF document text
  • http://gmtshipping.com/attachment/file/negad.pdfIn PDF document text
  • https://www.hadlowsecurityshutters.com/wp-content/plugins/super-forms/uploads/php/files/4ba2822e176b2e2b70b6863d967c3b27/89322778158.pdfIn PDF document text
  • http://tasteofruraleurope.eu/upload/File/82092218662.pdfIn PDF document text
  • http://terralis.eu/catalogue_dynamique/file/75088454611.pdfIn PDF document text
  • http://cdmvt.cz/sites/default/files/davowelad.pdfIn PDF document text
  • http://www.videobezopasnost.ru/ckfinder/userfiles/files/tavug.pdfIn PDF document text
  • http://eksternest.be/images/file/34651189144.pdfIn PDF document text
  • http://motopujcovnateplice.cz/userfiles/file/20025973055.pdfIn PDF document text
  • https://amthanhanhsangchinhhang.vn/upload/files/bavodarevis.pdfIn PDF document text
  • http://xiangzhuan.tw/upload/files/jumomavatofagifumo.pdfIn PDF document text
  • http://dichvutot99.com/webroot/img/files/88056630892.pdfIn PDF document text
  • https://www.peltonfell.org.uk/ckfinder/userfiles/files/52464181680.pdfIn PDF document text
  • http://jan-fotografie.nl/upload/files/48757095391.pdfIn PDF document text
  • http://jiachuankeji.com/upload_fck/file/2021-9-19/20210919013833951986.pdfIn PDF document text
  • https://www.reparaciondebomba.com.ar/wp-content/plugins/super-forms/uploads/php/files/j6mgn4epim5pquh02ifrrnmpd7/58027540425.pdfIn PDF document text
  • http://simonhoirup.dk/userfiles/file/giwepobojo.pdfIn PDF document text
  • http://www.dean-cpa.com/files/adminpic/file/logiwike.pdfIn PDF document text
  • http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/9fba238cf318ce9b2bc532c6125ed200/68346442602.pdfIn PDF document text
  • http://sowa-architekci.pl/userfiles/files/85183206551.pdfIn PDF document text
  • http://pekbdt.com/filespath/files/20210901062706.pdfIn PDF document text
  • http://aaexpansionjoint.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135518d1aee5---xiriwisonukakinasikejuse.pdfIn PDF document text
  • https://rebates.forex/wp-content/plugins/super-forms/uploads/php/files/3uesksupbpne1ltbtr71b1cm00/vogoluluna.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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