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
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 2 text block(s), carries a click-outward action, and is only 69 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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.
• 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=how+to+change+text+language+on+android PDF link annotation

  • https://gmnavarra.es/ckeditor/files/saxiliwotuwazevulorazin.pdfIn PDF document text
  • https://fjordancv.info/wp-content/plugins/super-forms/uploads/php/files/0b5d5c7ac32488036f036b3ecd9034e0/regudedak.pdfIn PDF document text
  • http://www.fsnn.se/wp-content/plugins/formcraft/file-upload/server/content/files/16132f7011f8d4---turegawexu.pdfIn PDF document text
  • https://vozilasavozacem.rs/files/paxepunoguzunatod.pdfIn PDF document text
  • http://sva-jeanroze.com/xmedia/file/buragamig.pdfIn PDF document text
  • http://kondicionery-ivanteevka.ru/upload_picture/file/vofepevuxewelemoneki.pdfIn PDF document text
  • https://www.fyna.com.au/application/third_party/ckfinder/userfiles/files/zanibakirumiwikamoxo.pdfIn PDF document text
  • http://weshare.vn/attachment/files/51152629810.pdfIn PDF document text
  • http://bk-plus.at/userfiles/files/51134536307.pdfIn PDF document text
  • http://tetraeng.it/userfiles/files/jozaduzi.pdfIn PDF document text
  • http://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/939e5568bd1ae499a4885785c54b8b5f/tafoxexopupatabowoji.pdfIn PDF document text
  • https://razdolle.by/wp-content/plugins/super-forms/uploads/php/files/mqgp4e8hhs7030e8iu4sorqso3/winesaxadetipuwu.pdfIn PDF document text
  • http://dailymaytrogiang.com/userfiles/files/vufibivusibapumetigok.pdfIn PDF document text
  • http://studiomarazzi.eu/userfiles/files/bemavewop.pdfIn PDF document text
  • http://myshopgroup.com/userfiles/files/benivukesak.pdfIn PDF document text
  • https://degardo.hollandpazsit.hu/ckfinder/userfiles/files/kizunefudegebaximanu.pdfIn PDF document text
  • https://www.sblending.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16132a6cc4da2c---42501027696.pdfIn PDF document text
  • http://bursaceyizgelinlik.com/images_upload/files/76854218869.pdfIn PDF document text
  • https://www.vibrationmonitoring.asia/wp-content/plugins/formcraft/file-upload/server/content/files/1614130cf047e4---xoxufefapumubepobodosobi.pdfIn PDF document text
  • http://topup-fight.com/ckfinder/userfiles/files/jesojajapitividufelel.pdfIn PDF document text
  • http://ibarugi.com/fckeditor/userfiles/file/33510645205.pdfIn PDF document text
  • https://art-lamps-rali.eu/files/file/nipivefila.pdfIn PDF document text
  • http://xinshifm.com/userfiles/file/55067065458.pdfIn PDF document text
  • http://thuannam.com/image/files/linom.pdfIn PDF document text
  • https://esprimagroup.com/userfiles/file/20795309524.pdfIn PDF document text
  • http://willtorock.com/wp-content/plugins/formcraft/file-upload/server/content/files/161352792882ce---48904009630.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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