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://smidgel.ru/uplcv?utm_term=python+tutorial+for+windows+pdf PDF link annotation

  • http://sp3siemianowice.pl/userFiles/files/rizojiduruk.pdfIn PDF document text
  • https://www.geosuiteonline.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608c0f0a75370---37838277662.pdfIn PDF document text
  • https://hondamienbac.vn/userfiles/file/xonijibetadulomedoz.pdfIn PDF document text
  • https://www.rongoldmanlaw.com/system/js/back/ckfinder/userfiles/files/metig.pdfIn PDF document text
  • http://brilspa.ro/userfiles/file///73656695814.pdfIn PDF document text
  • https://alphacleanwashing.com/wp-content/plugins/super-forms/uploads/php/files/3abceb62bfca5ba3f4506f3ef7d8d607/74847774603.pdfIn PDF document text
  • https://stcatherine.ac.ug/wp-content/plugins/formcraft/file-upload/server/content/files/1611f937701c8c---33128259064.pdfIn PDF document text
  • http://burbank.kopanramen.com/uploads/files/dudamawusekezutepa.pdfIn PDF document text
  • https://kes-stv.ru/wp-content/plugins/super-forms/uploads/php/files/79bb71f5e12a6c267c492d3b5f02c91e/benejodotafu.pdfIn PDF document text
  • http://allamericannursing.com/userfiles/file/nozumemof.pdfIn PDF document text
  • http://31kouqiang.com/userfiles/file/1625144163.pdfIn PDF document text
  • http://reklamaopole.pl/userfiles/file/52933898647.pdfIn PDF document text
  • http://machinegroup.ru/img/outer/files/18888033290.pdfIn PDF document text
  • http://chukgoobok.com/files/fckeditor/file/34416408902.pdfIn PDF document text
  • https://simovi.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160bf0615123d2---puwosel.pdfIn PDF document text
  • http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/i55bojkg0lck51cempaih6ecn2/80385737038.pdfIn PDF document text
  • http://sh8ke.com/wp-content/plugins/formcraft/file-upload/server/content/files/16110a634e5e40---54882499501.pdfIn PDF document text
  • http://autoshiftbid.com/fckeditor/userfiles/file/magupuxasov.pdfIn PDF document text
  • http://kimhoatra.com/upload/fckimagesfile/xupafibuzo.pdfIn PDF document text
  • https://expresstestingatl.com/wp-content/plugins/super-forms/uploads/php/files/c2f9ed1bf770e2254c1a53359f53777c/79262801673.pdfIn PDF document text
  • https://huaku3c.tw/uploads/files/202108291155399782.pdfIn PDF document text
  • http://angelofthewinds.net/ckfinder/userfiles/files/vamavujibamuvajatikaduti.pdfIn PDF document text
  • http://bannails.com/fckeditor_userfiles/file/titabikuzoxemadet.pdfIn PDF document text
  • http://ilovehikari.com/uploads/files/fewejesalakabikezejobawod.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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