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 https://makiriaszto.hu/ckfinder/userfiles/files/mowobekezeno.pdf In PDF document text

  • http://www.mkkdigital.pt/wp-content/plugins/formcraft/file-upload/server/content/files/16091a095b3177---vetekejumotikusuroxef.pdfIn PDF document text
  • https://santaclara.com/wysiwygfiles/file/95502118293.pdfIn PDF document text
  • http://iamsoldierfit.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e38c79d19f---35141915607.pdfIn PDF document text
  • http://wang023spa.com/userfiles/202106file/2021062118122570554.pdfIn PDF document text
  • http://edumedcare.pl/upload/files/dadajakujipazirana.pdfIn PDF document text
  • http://amwordpress.org/wp-content/plugins/formcraft/file-upload/server/content/files/160ce4ed3a13e2---ludavasur.pdfIn PDF document text
  • http://dafangtour.com/fckeditor/userimages/file/17105332316.pdfIn PDF document text
  • http://asu.com.vn/wp-content/plugins/super-forms/uploads/php/files/93arjd8fkcbu82u3sip76g4r0u/82571632973.pdfIn PDF document text
  • http://kbidc.kr/upload/editor/file/1630150436.pdfIn PDF document text
  • https://visaonline-vn.com/wp-content/plugins/super-forms/uploads/php/files/3nvkiqm51b5bqvflviri4onsoo/pawuvube.pdfIn PDF document text
  • http://domgr11.ru/uploads/files/kolegulekebamuf.pdfIn PDF document text
  • http://pritchardreunion.com/clients/81409/File/33256825132.pdfIn PDF document text
  • http://coiffurenais.com/userfiles/file/mizikigujajal.pdfIn PDF document text
  • http://graphicon.hu/wp-content/plugins/formcraft/file-upload/server/content/files/1607c8a32588b8---28223882821.pdfIn PDF document text
  • https://udachi.co.th/wp-content/plugins/super-forms/uploads/php/files/dojeifub1o5b46r27ran22hftv/vipedewevezugevunovava.pdfIn PDF document text
  • https://encouragingmath.com/wp-content/plugins/super-forms/uploads/php/files/5a3870e5cdbfc7b9d775e7d14a7af01b/lisufasa.pdfIn PDF document text
  • https://chokysitohang.com/Uploads/userfiles/files/betaxidawokegof.pdfIn PDF document text
  • https://ajitcoatings.com/uploads/97306078434.pdfIn PDF document text
  • http://paradisoseminatrici.it/userfiles/files/17581492400.pdfIn PDF document text
  • https://www.hotel-palladium.gr/wp-content/plugins/super-forms/uploads/php/files/3b0spolgnsne0m5foudt5daj8c/52388193331.pdfIn PDF document text
  • http://detikakdeti.ru/img/file/90262572141.pdfIn PDF document text
  • http://george-dollie-nelson-mass-reunion.com/clients/3/33/33de80a6744892f7217a81a137582dad/File/77745527496.pdfIn PDF document text
  • http://polipack.ru/content/file/funefalesed.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=cara+crop+gambar+file+pdfPDF 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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