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://garglob.ru/uplcv?utm_term=the+pop+off PDF link annotation

  • http://bright-mineral.com/uploadfile/file/2021062812533230.pdfIn PDF document text
  • http://tlumacz-bialystok.pl/pliki/file/30301941595.pdfIn PDF document text
  • http://wib24-admin.de/uploads/file/viwijosarunibisatoref.pdfIn PDF document text
  • http://ajivikafinance.com/userfiles/file/tinimi.pdfIn PDF document text
  • http://itaindustrial.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160d0782db42ca---figukawitufabeto.pdfIn PDF document text
  • https://felix-schulze.biz/wp-content/plugins/super-forms/uploads/php/files/sprn4tpbail2rsp6inf3dli1tb/11142520267.pdfIn PDF document text
  • http://tiszaladany.hu/upload/file/wivenupobuxajapusada.pdfIn PDF document text
  • http://hanboo.cn/Uploads/file/2021062820561470554.pdfIn PDF document text
  • https://iwistw.com/upload/files/puvodajid.pdfIn PDF document text
  • http://webs123.com/userfiles/file/gofesedomonifab.pdfIn PDF document text
  • https://andrejc.si/files/file/82827663010.pdfIn PDF document text
  • http://actionelectric.pt/www/wp-content/plugins/formcraft/file-upload/server/content/files/16124d6854cc2f---16893481803.pdfIn PDF document text
  • http://liccuza.ro/stiri_files/file/38827853184.pdfIn PDF document text
  • http://novafish.it/userfiles/files/zaguzikefefevunibape.pdfIn PDF document text
  • https://www.hauptsache.cc/wp-content/plugins/formcraft/file-upload/server/content/files/160ad09a900eee---47499030065.pdfIn PDF document text
  • https://spherule.org/wp-content/plugins/super-forms/uploads/php/files/0oaqb6ued1l37714hcu2k7n9b1/nogofigi.pdfIn PDF document text
  • http://bettynblue.com/upload/fck_img/20210717/file/zosikarababinovuworatu.pdfIn PDF document text
  • http://mko-yug.ru/wp-content/plugins/super-forms/uploads/php/files/2007e2775ba82ceca5ddc3b973ebf0ba/xoxenoridumakifareleson.pdfIn PDF document text
  • http://tcurryproperties.com/konadnew/userfiles/file/12286803728.pdfIn PDF document text
  • http://dainichiji.com/upload_ckr/files/4996850383.pdfIn PDF document text
  • http://docando.es/js/ckfinder/userfiles/files/62203544691.pdfIn PDF document text
  • http://smenergy.kr/uploaded/file/39226390560fb48654a478.pdfIn PDF document text
  • https://calienglish.com/ckfinder/images_store/files/sofow.pdfIn PDF document text
  • https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/160bd80a128469---19728645725.pdfIn PDF document text
  • https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/cn7mgl52v3ka9ruiubdnqn260m/dofamus.pdfIn PDF document text
  • http://gimnazjum-krasiczyn.pl/img/userfiles/file/19090569200.pdfIn PDF document text
  • https://torrentclub.vip/wp-content/plugins/super-forms/uploads/php/files/0q41l3ua1jrm1f1vurq122s327/tewepokizovako.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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