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://synerhu.ru/uplcv?utm_term=subutex+for+pain PDF link annotation

  • https://codecs.ro/images/file/tanarepomizazuxavo.pdfIn PDF document text
  • http://marta-galan.com/files/varios/file/13577805064.pdfIn PDF document text
  • http://fazendasaojudastadeu.net/fotosempresa/files/79992436462.pdfIn PDF document text
  • https://blueparadise.pl/userfiles/file/44632735244.pdfIn PDF document text
  • http://ilkjv.com/Images/Media/files/jamulubafidu.pdfIn PDF document text
  • https://sokole-tps.pl/userfiles/file/74057660383.pdfIn PDF document text
  • http://connect-event.fr/ckfinder/userfiles/files/nekivek.pdfIn PDF document text
  • https://www.iieng.org/editor/ckfinder/userfiles/files/92404283909.pdfIn PDF document text
  • https://www.americanapi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615cc8e94ce46---fovofenerigozoja.pdfIn PDF document text
  • https://tworaise.com/userfiles/file/28029262181.pdfIn PDF document text
  • https://zippy-inc.com/app/webroot/userfiles/files/77133130878.pdfIn PDF document text
  • http://gok-maciejowice.pl/js/ckfinder/userfiles/files/safubisifovexipamij.pdfIn PDF document text
  • http://classtool.info/upload/files/81449764200.pdfIn PDF document text
  • http://tabletopad.com/images/file/demuzenijew.pdfIn PDF document text
  • http://aliceinformaticasrl.com/user/pages/90773907615.pdfIn PDF document text
  • https://orangcar.com/app/webroot/upload/files/18260444960.pdfIn PDF document text
  • http://xn----7sbqwxdbhblh2h.xn--p1ai/data/file/baduxakifiz.pdfIn PDF document text
  • http://cleannshieldflorida.com/wp-content/plugins/super-forms/uploads/php/files/a4dbd991546af5927374f226299c5d68/motezovekasemurizazuzapot.pdfIn PDF document text
  • https://lecourbe.dk/userfiles/file/46306929222.pdfIn PDF document text
  • http://richardchong.com/userfiles/files/zazusaviwupakewekekuziro.pdfIn PDF document text
  • http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/0f8d2c7ebecda57c710e19fcb05cb5eb/pejumufab.pdfIn PDF document text
  • https://ysh.my/userfiles/file/zozibavowobavadup.pdfIn PDF document text
  • http://anonelectronics.com/admin/fckeditor/editor/filemanager/connectors/php/upload_jpg/file/202109221411553281.pdfIn PDF document text
  • http://kythuatviet.vn/uploads/userfiles/file/lejijorodaxoxelinotogitew.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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