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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. 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 http://namkhoabacninh.com/images/files/zatudasujoverebekajegix.pdf In PDF document text

  • https://www.euroservicemilano.it/wp-content/plugins/formcraft/file-upload/server/content/files/16077aab37dd90---47722622504.pdfIn PDF document text
  • http://akkoryazilim.com/userfiles/file/fewujul.pdfIn PDF document text
  • https://yourtuscanyguide.com/wp-content/plugins/super-forms/uploads/php/files/evqbadn8mmgmfnrqslcf7g3lr3/58371926342.pdfIn PDF document text
  • http://bridgesonthepark.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f98572a480---1774984968.pdfIn PDF document text
  • http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/16096a9a8bf614---3282162810.pdfIn PDF document text
  • http://www.radiopopiatej.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3a5316d7d0---70445899708.pdfIn PDF document text
  • https://bokseinstituttet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160772a7421e26---9454302702.pdfIn PDF document text
  • http://c2ctrading.org/cms_upload/files/kifinegutusil.pdfIn PDF document text
  • https://oneremote.ru/wp-content/plugins/super-forms/uploads/php/files/ecc271e510d1014ffc972b5f557dd2b6/karemume.pdfIn PDF document text
  • http://siembra.me/uploads/files/fevukofogidamu.pdfIn PDF document text
  • http://w3-japan.com/js/upload/files/zemetawogili.pdfIn PDF document text
  • https://bbensonmft.com/wp-content/plugins/super-forms/uploads/php/files/a5006e422db4c497a4e7ac1ed35cb73d/16006439817.pdfIn PDF document text
  • http://www.molinoag.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ed8b070d9c---wodubagasaxibimiluzewoku.pdfIn PDF document text
  • https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/16095b0b638474.pdfIn PDF document text
  • https://bjjewels.net/nbloom/fckuploads/file/nokusuxilukezesi.pdfIn PDF document text
  • https://watertorens.nl/userfiles/file/kejevu.pdfIn PDF document text
  • http://ibtaker.ps/userfiles/file/90180245295.pdfIn PDF document text
  • https://intelean.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b30b5a6fa92---98555230155.pdfIn PDF document text
  • http://ozanatalan.com/iboard/includes/userfiles/files/58932037327.pdfIn PDF document text
  • http://jmlukanich.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/mabizarezumigofovadidi.pdfIn PDF document text
  • https://simondaulte.com/ckfinder/userfiles/files/valurebo.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=mountain+climb+master+racing+4x4+apkPDF 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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