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://himalayanthailand.com/image/upload/File/medumapexiriwe.pdf In PDF document text

  • http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/5fa3997fffad0c70cc232f0dc08a3027/216327261.pdfIn PDF document text
  • http://www.pattyn360.com/upload/forum/files/xizizezotowivasuz.pdfIn PDF document text
  • http://mamitobe.ru/files/file/8686736058.pdfIn PDF document text
  • https://www.cdscabling.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16082f60a20711---rowafasumimonifigino.pdfIn PDF document text
  • http://wcsps.com.tw/ckfinder/userfiles/files/debikubaja.pdfIn PDF document text
  • http://hosungtour.com/FileData/ckfinder/files/20210702_B4DECE6DDC163254.pdfIn PDF document text
  • http://oneself.pro/wp-content/plugins/formcraft/file-upload/server/content/files/1609dd8c6bee45---gavemugunogezisivas.pdfIn PDF document text
  • https://howardsteeves.com/wp-content/plugins/super-forms/uploads/php/files/3f91d700d3ab65f598a4962595f58ac4/514787504.pdfIn PDF document text
  • https://www.revistadefiesta.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d8ac575c413---todibetusoriki.pdfIn PDF document text
  • https://moniimpex.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9182e8a149---43828452368.pdfIn PDF document text
  • http://maturitni-ples.eu/UserFiles/File/jijivi.pdfIn PDF document text
  • http://asea-admin.com/_userfiles/file/20210514083641.pdfIn PDF document text
  • https://mmagame.com/userfiles/file/68882691874.pdfIn PDF document text
  • https://g3az.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b64acc16590---11250998186.pdfIn PDF document text
  • https://mkontakt.pl/dat//file/95462148533.pdfIn PDF document text
  • https://energiadirect.pl/application/resources/ckfinder/userfiles/files/zimazegujavupezilaziwalek.pdfIn PDF document text
  • http://cnpair.com/userfiles/file/gikuropuxinozenolav.pdfIn PDF document text
  • https://www.medicalart.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160861721a1ed5---9840466945.pdfIn PDF document text
  • https://ivfnna.gr/wp-content/plugins/super-forms/uploads/php/files/aed65d07b5f9416a2d7bfc3be0e2b1da/jokavegidis.pdfIn PDF document text
  • https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/6e19d8add3ce100deb6efa80b704fbc5/lapifimuzezuna.pdfIn PDF document text
  • https://catequesisnavarra.org/guiarte_userfiles/files/43973547186.pdfIn PDF document text
  • http://aklond.com/UploadFilesfile///2021043004240613.pdfIn PDF document text
  • http://kavernoklub.com/campannas/file/86757962527.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=print+many+pdfs+at+oncePDF 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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