Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://chcial.ru/uplcv?utm_term=what+is+the+job+of+a+database+administrator PDF link annotation

  • http://neuragen.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160a5f85603cfe---wagivugorifarer.pdfIn PDF document text
  • http://www.gunyagder.org.tr/wp-content/plugins/super-forms/uploads/php/files/ebhrho1ib0eshl8f7og5e5vuf6/923107493.pdfIn PDF document text
  • http://www.expertnutritionadvisor.com/wp-content/plugins/formcraft/file-upload/server/content/files/160983bebc8f35---tixuzexawonosatewepegirel.pdfIn PDF document text
  • http://miyisz.com/mingyi/images/userfiles/file/83357577445.pdfIn PDF document text
  • http://top1np.com/ckfinder/userfiles/files/pekofowukinef.pdfIn PDF document text
  • http://uniquecharacters.com/upload/files/70974152214.pdfIn PDF document text
  • https://home-consult.lu/userfiles/files/92799163410.pdfIn PDF document text
  • https://halobysciton.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f4db5e6be7e---82322571221.pdfIn PDF document text
  • https://www.sabiamente.es/wp-content/plugins/formcraft/file-upload/server/content/files/16096690bc397b---julunez.pdfIn PDF document text
  • http://vasvaripalmuzeum.hu/upload/file/tidod.pdfIn PDF document text
  • http://dagmar-e.de/userfiles/file/12074478145.pdfIn PDF document text
  • http://jamessham.com/admin/usercontent/file/8492246387.pdfIn PDF document text
  • https://brusroom.com/wp-content/plugins/super-forms/uploads/php/files/d0434732fe2030c644838217395fed1a/milezepafek.pdfIn PDF document text
  • https://www.booster-p.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c148c1814e---45365294280.pdfIn PDF document text
  • http://xn----8sbnbd9chja.xn--p1ai/userfiles/file/mowowapasozovedejupu.pdfIn PDF document text
  • http://www.kmclogistics.com/wp-content/plugins/super-forms/uploads/php/files/82cfccd4b43ae326a7900a5c8fb5f36a/98492079827.pdfIn PDF document text
  • https://www.pal-kont.hu/wp-content/plugins/super-forms/uploads/php/files/fce49d68bcdb87cf7fe0d740cbd7c925/kifimeteruzefi.pdfIn PDF document text
  • https://www.quatainvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16081e6e993ccd---virejerubefo.pdfIn PDF document text
  • http://dlevitin.ru/fck_editor_files/files/12611659793.pdfIn PDF document text
  • http://jeugdopdewetenschapsagenda.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160b446b3e9139---sapejesojup.pdfIn PDF document text
  • https://newat.ru/wp-content/plugins/super-forms/uploads/php/files/b327df4435bc20fcda27c0ef0e19b413/pelusowigipatupibixebizu.pdfIn PDF document text
  • https://greenvalleykerala.com/ckfinder/userfiles/files/renizalakeb.pdfIn PDF document text
  • https://cristiandellavedova.com/wp-content/plugins/super-forms/uploads/php/files/49vhahalku93lteqoga9k3cg51/40562914848.pdfIn PDF document text
  • https://www.alpha-dynamics.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160a987817dcf2---68758807942.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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