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://allytemp.ru/uplcv?utm_term=solving+one+step+equations+with+fractions PDF link annotation

  • http://89928386.com/uploads/files/202109091916035137.pdfIn PDF document text
  • https://associazionedynamica.it/uploads/file/6283809689.pdfIn PDF document text
  • http://cps-mbstu.edu.bd/app/webroot/js/ckfinder/userfiles/files/85526565441.pdfIn PDF document text
  • http://gearonlaw.net/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/75056600114.pdfIn PDF document text
  • http://amsaneeraus.fi/userfiles/files/35276713702.pdfIn PDF document text
  • https://shrmivirtual.org/wp-content/plugins/super-forms/uploads/php/files/bd2892254f6803bfa9e8a21f2f118175/komigomikun.pdfIn PDF document text
  • http://www.absolutecateringla.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613fb9bc1fffb---vikokemopokovo.pdfIn PDF document text
  • https://buffinvestment.com/upload/ckfinder/files/totakujefereribizaboron.pdfIn PDF document text
  • https://ksboutlet.com/file/files/ruxinogovopivowakilukag.pdfIn PDF document text
  • http://togclick.com/media/userFckfiles/file/65823503077.pdfIn PDF document text
  • http://www.elstar.ru/uploads/files/8686682268.pdfIn PDF document text
  • http://raduzhniy.com/wp-content/plugins/formcraft/file-upload/server/content/files/161366d00e2a44---fogiwusekojikutexusawazaz.pdfIn PDF document text
  • http://gzmzwl.com/Uploadfiles/files/patifeg.pdfIn PDF document text
  • http://nhatminhtrading.vn/app/webroot/uploads/files/56964884732.pdfIn PDF document text
  • http://splogservice.ru/content/file/41446996698.pdfIn PDF document text
  • http://azizolace.cz/images/file/sejixelepogusaferipojilem.pdfIn PDF document text
  • https://leicht-spb.ru/wp-content/plugins/super-forms/uploads/php/files/542c96ad02cc4173fe7d11621e6225a7/werojafedosibe.pdfIn PDF document text
  • http://kondicionery-noginsk.ru/upload_picture/file/vodiwisalamojukas.pdfIn PDF document text
  • http://jingyitech.com/uploadfile/39089714003.pdfIn PDF document text
  • http://bellina.pl/userfiles/file/kuniperonatiwosa.pdfIn PDF document text
  • https://tucarrorentacar.co/ckfinder/userfiles/files/fadisapudupovigadake.pdfIn PDF document text
  • http://perfect-gallery.com/userfiles/file/ligebilituxipevoxajilex.pdfIn PDF document text
  • http://slmj8.com/data/userfiles/files/movopalubopa.pdfIn PDF document text
  • http://biosurfest.com/userfiles/files/81376193550.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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