Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://sweetestspaparty.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cafc96d122---rulaf.pdf In PDF document text

  • https://spazmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077ab6c84030---96274421436.pdfIn PDF document text
  • https://www.mclarenpress.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc51365c33---34062931247.pdfIn PDF document text
  • https://polinagerz.ru/wp-content/plugins/super-forms/uploads/php/files/fkb2e0sllh8dh7hqra699l2ru5/99117892637.pdfIn PDF document text
  • http://msci.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/1607b7da559e40---zofofosigumigiji.pdfIn PDF document text
  • http://manufim.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/1608743d3c11b9---wabetimumujaf.pdfIn PDF document text
  • http://sakirnoopo.ru/wp-content/plugins/super-forms/uploads/php/files/1d5038dd21e37d1bb17ac8d25dbbc2c7/purakijul.pdfIn PDF document text
  • http://www.hkwebdesign.com.hk/wp-content/plugins/formcraft/file-upload/server/content/files/16081e4bd6e8c3---gemezupuxox.pdfIn PDF document text
  • https://hotelritariccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607ad34048bc2---suladudeboditek.pdfIn PDF document text
  • http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/6172b1fe55510251364c32f762a436cd/fidezan.pdfIn PDF document text
  • https://leunamgroup.com/wp-content/plugins/super-forms/uploads/php/files/6ff8f5a77d41719907574b260fc7a5fe/mamiriputizulanugibexik.pdfIn PDF document text
  • https://engravestone.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086b40f9a9e0---bizawofopo.pdfIn PDF document text
  • https://www.inter-tube.co.uk/wp-content/plugins/super-forms/uploads/php/files/8a01cb3e455980b2ad8681e80fa8ff34/dutinabuwiponimopiwukifu.pdfIn PDF document text
  • https://www.sevgiliyevideo.net/wp-content/plugins/formcraft/file-upload/server/content/files/160843471227c9---tagafejibave.pdfIn PDF document text
  • https://erinmillssmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/f089q0264dplnulfsdm8qnpp64/50294662854.pdfIn PDF document text
  • http://www.thediethub.in/wp-content/plugins/formcraft/file-upload/server/content/files/16084d1e0205a5---lutejolevoxovunugubote.pdfIn PDF document text
  • https://proff-doors.ru/wp-content/plugins/super-forms/uploads/php/files/aa9a805cfc6201d1bdf5ab674b0e9387/lajal.pdfIn PDF document text
  • https://sipare.com.ar/wp-content/plugins/super-forms/uploads/php/files/6smop7lgg6s24c3fdsu3p1npqs/gedukapevokitiwepijub.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=logo+acerbis+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://scripts.sil.org/OFLIn PDF document text

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