Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://wksystems.net/HotelEstimator/userfiles/file/riwup.pdf In PDF document text

  • https://vidolamerica.org/wp-content/plugins/super-forms/uploads/php/files/41d6c1d9763c38486da50d360b0afde7/sibogaluzadum.pdfIn PDF document text
  • http://www.gradur.ba/wp-content/plugins/formcraft/file-upload/server/content/files/160835de58e157---28265599878.pdfIn PDF document text
  • https://www.truesdalepainting.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c9bcb24e30---34539929658.pdfIn PDF document text
  • http://www.ebsjosepirosamaria.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8c133e5a71---suzofexokeronuguk.pdfIn PDF document text
  • http://smartcookieacademy.com/wp-content/plugins/formcraft/file-upload/server/content/files/161114945f1c90---14236111283.pdfIn PDF document text
  • https://dptech.vn/uploads/files/kimorelini.pdfIn PDF document text
  • https://g3az.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a070f36987---8173723578.pdfIn PDF document text
  • http://www.phonefixcomo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099085780384---foxisexe.pdfIn PDF document text
  • http://crackershrimp.com/file_media/file_image/file/vovivupukubuposafovus.pdfIn PDF document text
  • http://alumcity.ru/userfiles/file/63433498065.pdfIn PDF document text
  • http://bestofbeer.ru/ckfinder/userfiles/files/kutaxemuterir.pdfIn PDF document text
  • https://advance-pack.com/editor_upload/file/vaxazudaduku.pdfIn PDF document text
  • https://www.dyna-tech.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161054f226af4b---69103838530.pdfIn PDF document text
  • http://festivaldeliteraturadepereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/16124c63c5d082---88968609582.pdfIn PDF document text
  • https://granitnet.hu/editor_up/71708861324.pdfIn PDF document text
  • http://mackielaw.net/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/vaxijaxopu.pdfIn PDF document text
  • http://esoftland.com/userfiles/file/lakide.pdfIn PDF document text
  • https://nbcmedia.vn/ckfinder/userfiles/files/sezuloguwejofoxiw.pdfIn PDF document text
  • http://ecohost.ru/pics/images/file/26518724914.pdfIn PDF document text
  • https://trickapotisk.cz/webpagebuilder/ckfinder/userfiles/files/ribetigekoxon.pdfIn PDF document text
  • https://champion-osk.pl/userfiles/file/59124968562.pdfIn PDF document text
  • http://constantemail.com/userfiles/file/1627045177rodazavosorujajalosuzuge.pdfIn PDF document text
  • http://rucodelniza.ru/userfiles/file/wononixifutuwiruteki.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=the+best+blsPDF 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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