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://pistant.ru/uplcv?utm_term=incredible+sweater+machine+instructions PDF link annotation

  • http://rethabise.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1607228e924b82---gegezazipumemupa.pdfIn PDF document text
  • https://costumeworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098b4f4ce749---menovigadojuvotus.pdfIn PDF document text
  • http://jaika.in/images/documents/files/8681518966.pdfIn PDF document text
  • http://www.kinoimaging.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1608ca6be4275a---gugiwiwonodax.pdfIn PDF document text
  • https://ocvirapuato.com.mx/wp-content/plugins/super-forms/uploads/php/files/492112e47f538340b7bf736661e3e930/43984512646.pdfIn PDF document text
  • https://polinagerz.ru/wp-content/plugins/super-forms/uploads/php/files/jfee27of5l4b8pjcve35gn9048/sudikutiwupilazolugad.pdfIn PDF document text
  • https://www.ptlittleflower.org/wp-content/plugins/super-forms/uploads/php/files/q22ir0almvembtsbrlkafhhn4b/mopatuvonam.pdfIn PDF document text
  • https://trimix.bg/UserFiles/File/39604256234.pdfIn PDF document text
  • https://aihr-iadh.org/uploads/FCK_files/file/67103505520.pdfIn PDF document text
  • http://ligneus.hu/upload/file/benuvabitopiw.pdfIn PDF document text
  • http://agama-rc.com/upload/files/jamirafejofovupepun.pdfIn PDF document text
  • http://hurtmar.pl/Upload/file/gapekuz.pdfIn PDF document text
  • http://al-bandak.com/userfiles/file/boxoranizagumilugozoduze.pdfIn PDF document text
  • https://www.hinogas.com/wp-content/plugins/super-forms/uploads/php/files/s5brkcagh5ojm4nmctv7s3kgrk/88964692526.pdfIn PDF document text
  • http://kameleonhastanc.hu/files/file/pubezobadimidojini.pdfIn PDF document text
  • https://amiablediamonds.com/wp-content/plugins/super-forms/uploads/php/files/49706d74c3816be9c7a2533dc46c1413/radofupesaminunazud.pdfIn PDF document text
  • http://sakirnoopo.ru/wp-content/plugins/super-forms/uploads/php/files/ca3f6b9c395b9bb4e472a956abc44118/48101671560.pdfIn PDF document text
  • https://ascinfratech.com/clientprojects/trading/file/zolutotezexidugev.pdfIn PDF document text
  • https://seerupit.dk/assens/file/pureseser.pdfIn PDF document text
  • https://humanistbeauty.com/wp-content/plugins/super-forms/uploads/php/files/o6putr3lsmo2u43cs5m6547ivc/59273585242.pdfIn PDF document text
  • https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/dc23b28c16d817b6a3a0be3b0595fa83/42964535946.pdfIn PDF document text
  • https://www.jemelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/160944b342edb5---33566997641.pdfIn PDF document text
  • http://anma.pl/anma_edytor/file/wususikazadol.pdfIn PDF document text
  • http://tourister.kr/userfiles/file/21848959036.pdfIn PDF document text
  • https://jaunimodienos.lt/wp-content/plugins/super-forms/uploads/php/files/qi0s3idg32g4eeqfm241ojqj3f/tagirawodepujas.pdfIn PDF document text
  • http://ophtalmic-overnight.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160829e8f24560---26608667816.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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