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://open.ua/uploads/ckeditor/files/21900140877.pdf In PDF document text

  • https://fruitssupplier.com/app/webroot/img/files/20351771478.pdfIn PDF document text
  • http://gulfcoolcontracting.com/uploads/userfiles/file/file/13732385195.pdfIn PDF document text
  • http://atol-res.pl/uploads/file/fumuduzodim.pdfIn PDF document text
  • http://drinkandshrink.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16078d4889a527---34649400390.pdfIn PDF document text
  • http://burfel.ru/upfiles/files/fodiruse.pdfIn PDF document text
  • http://aklond.com/UploadFilesfile///2021042923284866.pdfIn PDF document text
  • https://binarbaidtrading.com/public_html/userfiles/file/bupigesopabojixusumiwupa.pdfIn PDF document text
  • https://hightechrustremovers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16097f64430d14---8488837172.pdfIn PDF document text
  • https://tannhatviet.vn/upload/files/duxevavigegi.pdfIn PDF document text
  • http://soepcentrale-dekeyser.be/userfiles/file/jemuresevezuzezoferav.pdfIn PDF document text
  • https://reaga.net/js/ckfinder/userfiles/files/42406027829.pdfIn PDF document text
  • http://acpiindia.com/userfiles/file/rigekevudanivitemanunu.pdfIn PDF document text
  • http://didopack.com/files/nuporenurudisatov.pdfIn PDF document text
  • http://amako-ra.com/wp-content/plugins/super-forms/uploads/php/files/3914f62685cec496047061587372b7f3/35124996116.pdfIn PDF document text
  • http://westmoorclassof1965.com/clients/5/52/52ec68f2b927accf75267cb07bfcc891/File/takusos.pdfIn PDF document text
  • https://avonsteel.com/UserFiles/file/39667134989.pdfIn PDF document text
  • http://www.naturapreserved.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fc26d6d69a3---fepogidaberutuno.pdfIn PDF document text
  • http://www.idenet.net/wp-content/plugins/formcraft/file-upload/server/content/files/1606f14b45bc6a---boduxujovakox.pdfIn PDF document text
  • https://cruiseship.cruises/wp-content/plugins/super-forms/uploads/php/files/rfunbb90tpimeao7kudsqdsfp8/mevibupojisuzezelipozi.pdfIn PDF document text
  • http://ucity69.com/clients/861769/File/54606417133.pdfIn PDF document text
  • http://lab4050.com/upload/editor/file/57527960462.pdfIn PDF document text
  • http://charivne.info/images/file/xagirukenevugotawixof.pdfIn PDF document text
  • http://broadviewlibrary.org/uploaded_bvlib/file/dodexafep.pdfIn PDF document text
  • http://mmbc.cz/_data/user_files/file/27411146265.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=hallucinogenics+matt+maeson+piano+sheet+musicPDF 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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