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://irlanc.ru/uplcv?utm_term=grabar+llamadas+android+apk PDF link annotation

  • https://needlugs.com/userfiles/files/lilibifulukefeguf.pdfIn PDF document text
  • http://lexus-custom.com/js/upload/files/letag.pdfIn PDF document text
  • https://songhongresort.com/img/files/20130147304.pdfIn PDF document text
  • https://alubiasdetolosa.com/files/galeria/files/63543014083.pdfIn PDF document text
  • https://hitourkorea.com/FileData/ckfinder/files/20210908_A0C2BBEB5BF74092.pdfIn PDF document text
  • http://bushurov.ru/images/files/79777343884.pdfIn PDF document text
  • https://gujaratisamajparis.org/upload/files/runeleg.pdfIn PDF document text
  • http://aldo-ins.com/userfiles/file/pafatazidot.pdfIn PDF document text
  • http://dallard.fr/ressource/site-image/files/55701162858.pdfIn PDF document text
  • http://fukaofoods.tw/uploads/files/202109120227502744.pdfIn PDF document text
  • http://kapelski.pl/userfiles/file/puzilaf.pdfIn PDF document text
  • http://webcertain.ca/contentupload/fckeditorUploads/organization_/file/pakixusuzej.pdfIn PDF document text
  • https://mn-lawfirm.com/box/userfiles/file/82348870213.pdfIn PDF document text
  • http://wumag.pl/userfiles/file/52607926895.pdfIn PDF document text
  • http://penzion-u-zamku.cz/files/file/dopivexuzoxof.pdfIn PDF document text
  • http://sp2wronki.pl/fotki/fotki/file/92902487111.pdfIn PDF document text
  • http://gardatrans.com/content/Files/63745464827.pdfIn PDF document text
  • https://www.opsclown.it/ckfinder/userfiles/files/lokutiguvuvipavarezimafo.pdfIn PDF document text
  • http://www.sbawerribee.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16134714cbc5d3---15811761017.pdfIn PDF document text
  • http://kyanite.tv/userfiles/file/45200606379.pdfIn PDF document text
  • http://global-gypsum.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d5068221f5---29315380791.pdfIn PDF document text
  • http://www.thegrcinstitute.org/app/webroot/js/ckfinder/userfiles/files/fagubisalan.pdfIn PDF document text
  • http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/2b4ea4af84c6d0af58aac0c645a87deb/16407860684.pdfIn PDF document text
  • https://portalbime.com/UploadedFiles/New/file/28177460753.pdfIn PDF document text
  • http://mentaplywood.com/images_upload/files/29034283819.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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