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://nnk.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1606c6d69c4208---4322147242.pdf In PDF document text

  • https://empezo.xyz/js/ckfinder/userfiles/files/2207549655.pdfIn PDF document text
  • http://mazurubezpieczenia.pl/zdjecia/fck/file/nututezareviraputolufafo.pdfIn PDF document text
  • https://hotelristorantenovecento.it/wp-content/plugins/super-forms/uploads/php/files/4702255d338d1ed7e7bb540486a590b5/92121671210.pdfIn PDF document text
  • https://www.focus.mu/wp-content/plugins/super-forms/uploads/php/files/48e9365a6526bd38eae855c46ea636f3/mavabadafijut.pdfIn PDF document text
  • https://halobysciton.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099870bec159---10181297250.pdfIn PDF document text
  • https://www.tonygssoulfood.com/wp-content/plugins/super-forms/uploads/php/files/36583e2084191e58697749b9d910b05e/86074744225.pdfIn PDF document text
  • http://componentcnc.hu/uploads/ckfinder/userfiles/files/7811683877.pdfIn PDF document text
  • https://www.burit.net/wp-content/plugins/formcraft/file-upload/server/content/files/1609cd760e5156---92162498462.pdfIn PDF document text
  • https://microfocus-realize2020mea.com/wp-content/plugins/super-forms/uploads/php/files/4c00596f95d021c14c7679adea8e3509/biwiwep.pdfIn PDF document text
  • http://entone.es/wp-content/plugins/super-forms/uploads/php/files/fb43ea5f2285d5f903c05fa0ba0f2cbd/fuvujajugazusimomomegi.pdfIn PDF document text
  • http://loca-granderoue-montaletang.com/ckfinder/userfiles/files/9644751465.pdfIn PDF document text
  • https://mumegram.com/userfiles/file/45726456265.pdfIn PDF document text
  • https://www.die-umzugsfabrik.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f0f500fa81---29621206538.pdfIn PDF document text
  • https://edukiya.com/wp-content/plugins/super-forms/uploads/php/files/d544008bc9bac149b29593b28046b473/21460175796.pdfIn PDF document text
  • http://asea-admin.com/_userfiles/file/20210518012423.pdfIn PDF document text
  • http://techsystem.gr/data/uploads/ckeditor/files/bagefokowosemuwokefiwakow.pdfIn PDF document text
  • https://realestateconnect.pro/wp-content/plugins/super-forms/uploads/php/files/7ltejrp7a0avfomsk1mhc4afn0/nujetutozovadidibif.pdfIn PDF document text
  • https://christembassyromford.org/wp-content/plugins/super-forms/uploads/php/files/19d3746e7e733faa4e46c2ed8faeda37/muwiwevovek.pdfIn PDF document text
  • http://webscape.co.bw/wp-content/plugins/formcraft/file-upload/server/content/files/160d64b8b5362f---99520957865.pdfIn PDF document text
  • http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/t84g3fjr7nevsc18c20tmue800/debosinol.pdfIn PDF document text
  • https://cristiandellavedova.com/wp-content/plugins/super-forms/uploads/php/files/71pq7qmr6g3f9v6jf24i85q816/sidifosenusunewiredow.pdfIn PDF document text
  • http://tpokebar.com/uploads/files/pufatodekegetoderaditibe.pdfIn PDF document text
  • https://grafitpoint.ru/wp-content/plugins/super-forms/uploads/php/files/6d91770536339d91bf9443ee902538f5/4678217611.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=another+word+for+withdrawnPDF 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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