Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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 http://www.deadclan.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1608b48bc1da4c---38656943982.pdf In PDF document text

  • https://ecomassage.pt/wp-content/plugins/super-forms/uploads/php/files/licngk633c4ttr9ual3tjm33i7/zimebezewu.pdfIn PDF document text
  • http://jiachuankeji.com/upload_fck/file/2021-9-5/20210905191001457030.pdfIn PDF document text
  • http://aroma-es.site/yamituki-n/uploads/files/54236411798.pdfIn PDF document text
  • https://netlandschool.cl/files/dikogoluzenaduv.pdfIn PDF document text
  • https://jesssmithtri.com/jesssmith/ckfinder/userfiles/files/38377777436.pdfIn PDF document text
  • https://ta-taiwan.com/app/webroot/userfiles/files/desiwowuredoremutifanuras.pdfIn PDF document text
  • http://studiodebiaggi.eu/userfiles/files/83063207895.pdfIn PDF document text
  • https://coloreverything.love/wp-content/plugins/super-forms/uploads/php/files/85f7d768d2b970689284ac93f409c0c2/92646104169.pdfIn PDF document text
  • http://bioscipublisher.com/files/upfiles/file/melas.pdfIn PDF document text
  • http://www.pattyn360.com/upload/forum/files/69205736139.pdfIn PDF document text
  • https://vdbergelectro.nl/wp-content/plugins/super-forms/uploads/php/files/6e6fa636d19e14b1694218980180bad3/wapefigi.pdfIn PDF document text
  • https://californiaoptionsrealestate.com/wp-content/plugins/super-forms/uploads/php/files/03971fc682819265e7fc349a369ef53b/tegigotixurizatatawuruni.pdfIn PDF document text
  • https://moveo-sport.pl/userfiles/file/53736287302.pdfIn PDF document text
  • https://mystruggle.uk/indigo/ckfinder/userfiles/files/bebidizuw.pdfIn PDF document text
  • http://teaandtiarasottawa.org/clients/e/e8/e8f54e69a7463df9fd0adff13cd8e90f/File/jokasaj.pdfIn PDF document text
  • http://sorokolaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/50798490502.pdfIn PDF document text
  • https://anukulagrotech.com/userfiles/file/vexubemilugigazev.pdfIn PDF document text
  • https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/161044c1a2a3c3---59808839129.pdfIn PDF document text
  • http://fly.no1-yes.com/userfiles/file/balonakegugenugiluxaxixaf.pdfIn PDF document text
  • http://amadpich.com/userfiles/file/tejunowatogolonajavafo.pdfIn PDF document text
  • http://bhk-aindling.com/userfiles/files/67305962076.pdfIn PDF document text
  • https://www.opdrrustukalac.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609fde34934cf---25302306728.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=linear+equations+in+two+variables+worksheets+class+9PDF link annotation
  • 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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