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.
• JavaScript action low PDF_JAVASCRIPT
  PDF contains a /JavaScript action. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://synerhu.ru/uplcv?utm_term=manual+therapy+and+exercise+for+adhesive+capsulitis+%28frozen+shoulder%29+%28review%29 PDF link annotation

  • http://darienhigh69.com/clients/866565/File/82349339046.pdfIn PDF document text
  • https://www.teppiche-waschen-hamburg.de/wp-content/plugins/formcraft/file-upload/server/content/files/16096bdce6af03---42245490381.pdfIn PDF document text
  • http://sorokolaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/lumukusobudumurarubabuda.pdfIn PDF document text
  • http://thanhtindesign.vn/uploads/image/files/bozafejumakifilewokinid.pdfIn PDF document text
  • http://smithmurdock.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8fed3008f0---jotekirawoxud.pdfIn PDF document text
  • https://atlastoursntravels.com/userfiles/file/dedugakufidefoxomigoxavuw.pdfIn PDF document text
  • https://artbynela.com/uploads/file/sudasisuxavolenavawam.pdfIn PDF document text
  • http://tourbusan.net/FileData/ckfinder/files/20210813_188CD263D79BA372.pdfIn PDF document text
  • https://onelineservice.it/file/12009331817.pdfIn PDF document text
  • https://ntct-dz.com/ckfinder/userfiles/files/doditunawejukovin.pdfIn PDF document text
  • http://slhospital.com/upload/fckeditor/file/14413025784.pdfIn PDF document text
  • https://tjpapigroup3.com/contents//files/tatadoruzufo.pdfIn PDF document text
  • http://www.gradur.ba/wp-content/plugins/formcraft/file-upload/server/content/files/160f5005fbc317---palavonasigubiwoni.pdfIn PDF document text
  • http://a-range.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1606f5949630f7---697072025.pdfIn PDF document text
  • http://esistore.be/userfiles/file/77952138485.pdfIn PDF document text
  • http://ekogamma.pl/javascript/ckfinder/userfiles/files/pasugilomejeta.pdfIn PDF document text
  • http://elazentrale.de/images/uploaded/file/tuviwijotet.pdfIn PDF document text
  • https://iohrp.org/f_files/files/zutemifexifa.pdfIn PDF document text
  • https://sv-fin.ru/wp-content/plugins/super-forms/uploads/php/files/77224078d2b9ab78ed94aa7db0a535b8/61200144064.pdfIn PDF document text
  • https://eventaipei.com/upload/files/pikininobugurale.pdfIn PDF document text
  • https://flvirginia.com/wp-content/plugins/super-forms/uploads/php/files/7853b6512da2b7ba017a96fd77c7e6b3/32557467777.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612a121b891c9---gefado.pdfIn PDF document text
  • http://seksdagen.nl/userfiles/file/22249947163.pdfIn PDF document text
  • http://myucpb.net/userfiles/file/72087469882.pdfIn PDF document text
  • https://fitnessrev.net/wp-content/plugins/super-forms/uploads/php/files/2cggusfrn7nmihf1np9h5k1fvi/89888954278.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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