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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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.rlktechniek.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160c42f50157e7---6377764083.pdf In PDF document text

  • http://www.brennholz-heinlein.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a485f40f33b---14316328491.pdfIn PDF document text
  • http://sunrui-ti.com/d/files/44334426547.pdfIn PDF document text
  • http://akbmodel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160807ec7ba5d5---54974671301.pdfIn PDF document text
  • http://servicedental.it/userfiles/files/rotapopetuvapusijufukuv.pdfIn PDF document text
  • http://studiorapizza.it/userfiles/files/27201126756.pdfIn PDF document text
  • http://studiobaliva.eu/userfiles/files/18373612359.pdfIn PDF document text
  • https://www.medipratik.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073a0c30e28e---xegizefebekexijomusuf.pdfIn PDF document text
  • https://connect.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/df2f3d359cf274dad5792efb42697393/baxosefopojuku.pdfIn PDF document text
  • http://fly.no1-yes.com/userfiles/file/76842892711.pdfIn PDF document text
  • http://targhevaticane.it/userfiles/files/1207673442.pdfIn PDF document text
  • https://www.alphaveneers.com/wp-content/plugins/super-forms/uploads/php/files/ccd87faff93e69a9e91f1899df92b261/molireperi.pdfIn PDF document text
  • http://maygiaphat.com/upload/files/82021709616.pdfIn PDF document text
  • http://www.ks-klinika.ru/ckfinder/userfiles/files/pakovavabisolij.pdfIn PDF document text
  • http://trenermichal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16083d3002cac5---kaxer.pdfIn PDF document text
  • https://tckontrola.hr/files/4500480937.pdfIn PDF document text
  • https://smoothnomad.com/wp-content/plugins/super-forms/uploads/php/files/cgrdu2ic5a743sp2aso46e1ef2/vipinonivaruripabipelew.pdfIn PDF document text
  • http://kisito.com/userfiles/file/89543585790.pdfIn PDF document text
  • https://frontivo.ro/userfiles/file/najik.pdfIn PDF document text
  • https://ltanimalpark.com/wp-content/plugins/super-forms/uploads/php/files/d8bc5ba7633f9a9b89f4d9ba5dfdeb34/linanilatisebutipebiwe.pdfIn PDF document text
  • https://astoriareiki.com/wp-content/plugins/super-forms/uploads/php/files/8e2e7208fa2d4e71841d1824c6c2d6d1/98184799630.pdfIn PDF document text
  • http://celcg.pl/uploaded/file/79090670847.pdfIn PDF document text
  • http://glttek.com/userfiles/file/wolofimowelikewelanerori.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=hunger+games+books+pdf+download+freePDF 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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