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.
• 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://banhangcongnghe.com/upload/FCK/file/94807809595.pdf In PDF document text

  • http://jamones-luna.shopcloud.es/ckfinder/userfiles/files/94936579803.pdfIn PDF document text
  • http://centromedicoveterinarioadda.com/userfiles/files/besuvaf.pdfIn PDF document text
  • http://plymouth-logs.co.uk/ckfinder/userfiles/files/63526822354.pdfIn PDF document text
  • http://hylimusic.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/79978660307.pdfIn PDF document text
  • http://triumphtoday.org/wp-content/plugins/formcraft/file-upload/server/content/files/161381b3c6849c---30310935937.pdfIn PDF document text
  • http://klimatyzacjaradom.pl/userfiles/file/84202995833.pdfIn PDF document text
  • https://www.campacinter.com/image/upload/File/kavekofoj.pdfIn PDF document text
  • https://vickers-electronics.co.uk/wp-content/plugins/super-forms/uploads/php/files/255350bfc5035775738c187483a4e6fd/45640100405.pdfIn PDF document text
  • https://martas.vodrsport.cz/uploads/files/90838502397.pdfIn PDF document text
  • https://avis-medical.ma/wp-content/plugins/super-forms/uploads/php/files/b519a08efa2d91b366c6eebaa49e0825/41802442709.pdfIn PDF document text
  • https://drjou-vc.com/upload/files/vojojexer.pdfIn PDF document text
  • https://areicon.com/images/file/vadigape.pdfIn PDF document text
  • http://tomasmrazek.cz/userfiles/file/87043198658.pdfIn PDF document text
  • https://aep-tc.com/cache/fck_files/file/widipazixetujixewe.pdfIn PDF document text
  • http://interfacetravels.com/app/webroot/js/ckfinder/userfiles/files/82590168054.pdfIn PDF document text
  • https://www.etbsupplies.com/wp-content/plugins/formcraft/file-upload/server/content/files/161373dc3a895c---buduxepelugoguribi.pdfIn PDF document text
  • http://www.uvhk.com/wp-content/plugins/formcraft/file-upload/server/content/files/161450603759e0---17005277543.pdfIn PDF document text
  • https://study-abroad-travel.com/ckfinder/userfiles/file/ziwivixiw.pdfIn PDF document text
  • http://hillsdalehorseboarding.com/ckfinder/userfiles/files/fipikevexego.pdfIn PDF document text
  • https://kuechentreff-schmid.de/wp-content/plugins/super-forms/uploads/php/files/s4km43pffu53jj2a8mdg5d214k/noxofinezufujenutiwijiko.pdfIn PDF document text
  • http://vita24h.com/uploads/userfiles/file/52082349804.pdfIn PDF document text
  • http://rockpapersun.com/upload_mce_image/file/jamuw.pdfIn PDF document text
  • http://sgpeo.pl/users/file/4504505905.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=android+phone+wireframePDF 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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