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://laborke.ru/uplcv?utm_term=simulation+lab+manual+for+eee PDF link annotation

  • https://mides.vn/images/ckeditor/files/77308760362.pdfIn PDF document text
  • https://vaytieudungtragop.com.vn/wp-content/plugins/super-forms/uploads/php/files/qgkaffih1ka28h29ia5u1drtp5/13582758738.pdfIn PDF document text
  • https://www.hotel-restaurant-plainfaing.fr/ckfinder/userfiles/files/neligab.pdfIn PDF document text
  • https://bouwservicewinthagen.nl/userfiles/image/file/10204385045.pdfIn PDF document text
  • https://chocoinmobiliario.com/wp-content/plugins/super-forms/uploads/php/files/d9480d2bb56823f09b4e81df45d7c58d/37163869624.pdfIn PDF document text
  • http://www.smartlandgroup.com//ckfinder/userfiles/files/26510590778.pdfIn PDF document text
  • http://3duct.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071d00a53e60---97915869920.pdfIn PDF document text
  • https://rdsdealers.com/ckfinder/userfiles/files/64204910877.pdfIn PDF document text
  • http://gadkowski.pl/repository/filemanager/file/wilovaramizunulazer.pdfIn PDF document text
  • http://chaitraglaze.com/uploads/85583585299.pdfIn PDF document text
  • https://acryl-bg.com/userfiles/file/98958929239.pdfIn PDF document text
  • https://eqonetech.com/upload/userfiles/files/2072758736.pdfIn PDF document text
  • http://ychnjl.net/userfiles/files/daludadamu.pdfIn PDF document text
  • http://foire-fromages-et-vins.com/wp-content/plugins/formcraft/file-upload/server/content/files/16123ce7476350---fedelurojorilasipoxopunat.pdfIn PDF document text
  • https://www.grecosalesinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/160be58bd2c30b---38890342847.pdfIn PDF document text
  • http://fruhmann-elektrotechnik.at/gigejaperigalujonirukum.pdfIn PDF document text
  • http://associazionemillesogni.it/userfiles/files/15355429945.pdfIn PDF document text
  • http://www.drop-lok.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c1b70c332f---10230859599.pdfIn PDF document text
  • https://atcotourismtravel.com/userfiles/file/74591984823.pdfIn PDF document text
  • https://xn--80adj7cxa.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/eb5a91584b4bdfc3b1a1fc48b5711d48/45145089614.pdfIn PDF document text
  • http://www.petersmetalstitching.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16109d25d17688---lakulabijubuverizerisarax.pdfIn PDF document text
  • http://ytbozhuo.com/upload/file/15101357374.pdfIn PDF document text
  • https://shoppingplanet.cityplanet.ro/ckfinder/userfiles/files/66663001988.pdfIn PDF document text
  • http://ncfc.com.tr/ckfinder/userfiles/files/74356732275.pdfIn PDF document text
  • https://jagamimpi.info/contents/files/sazukoxepijug.pdfIn PDF document text
  • http://businessvaluationapp.com/fck_files/file/44373854325.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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