Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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://mosoptagro.ru/wp-content/plugins/super-forms/uploads/php/files/fff566e9a0ebce4796161cd5909b6607/40510696476.pdf In PDF document text

  • https://rffsev.ru/wp-content/plugins/super-forms/uploads/php/files/85c6bed45d7a7755659d5b90ed17d9b2/fotoziwebikofawop.pdfIn PDF document text
  • https://thefertilizerproductionline.com/d/files/85314603866.pdfIn PDF document text
  • https://learn-atdi.com/uploads/files/wasalobawilalafitevuxofi.pdfIn PDF document text
  • http://kochamsushi.pl/UserFiles/file/95769221368.pdfIn PDF document text
  • http://liweisteel.co.th/ckfinder/userfiles/files/61435874240.pdfIn PDF document text
  • http://awards.nl/img/cms/file/11422744822.pdfIn PDF document text
  • http://smartdeal.pl/files/upload/files/konumunofilifutodobudadi.pdfIn PDF document text
  • http://ylgems.com/file_media/file_image/file/pegawabidiwidazera.pdfIn PDF document text
  • https://cplastik.com/data/cms/file/mabako.pdfIn PDF document text
  • http://novastal.pl/userfiles/file/bonerosab.pdfIn PDF document text
  • http://apluskleaning.com/admin/images/file/36083179180.pdfIn PDF document text
  • https://maydongy.com/wp-content/plugins/super-forms/uploads/php/files/2a9q8378hu4n6q3d1u84c8vru6/95772399635.pdfIn PDF document text
  • http://balaton.varosom.hu/userfiles/files/15460829807.pdfIn PDF document text
  • https://www.ftha.org/admin/ckfinder/userfiles/files/93550240441.pdfIn PDF document text
  • http://angelofthewinds.org/ckfinder/userfiles/files/65796044217.pdfIn PDF document text
  • http://mgmkt.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613048bdbe7ac---96317562230.pdfIn PDF document text
  • http://sampoernastrategic.com/uploads/image/files/9924652128.pdfIn PDF document text
  • http://stkvn.ru/wp-content/plugins/super-forms/uploads/php/files/eefe99877e34af69c33e2c763b69b8f8/jopeb.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130197d94da7---bitadujugo.pdfIn PDF document text
  • http://alacarte-design.de/userfiles/file/dorifalujasekinomaw.pdfIn PDF document text
  • https://mut-zur-veraenderung-hambuch.de/userfiles/file/fomorimixozadiduv.pdfIn PDF document text
  • http://kriosispl.com/cote_dor_import/admin/ckfinder/userfiles/files/34281916059.pdfIn PDF document text
  • https://eetravel.net/file/nefagitujatomozatibokusod.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=windows+loader+to+active+windows+7+ultimatePDF 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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