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 https://matrainagycsalados.hu/userfiles/file/50267138868.pdf In PDF document text

  • http://tl-maskinfabrik.dk/userfiles/file/87992349652.pdfIn PDF document text
  • https://isosklo.cz/uploads/10644001415.pdfIn PDF document text
  • https://liho.cz/UserFiles/File/95625787410.pdfIn PDF document text
  • http://skiflogistics.ru/userfiles/file/zitinodumagavepelamomis.pdfIn PDF document text
  • https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/kro3uaqfbutreqv8kbrrindbsa/likewito.pdfIn PDF document text
  • http://elard-group.com/ckfinder/userfiles/files/bitimakozi.pdfIn PDF document text
  • https://questyme.com/userfiles/file/11070102484.pdfIn PDF document text
  • http://esrafisek.com/images_upload/files/memilifus.pdfIn PDF document text
  • http://baliretreatcenter.com/olabali_ci/media/images/newsfiles/28606411695.pdfIn PDF document text
  • http://schoonhovensvrouwenkoor.nl/ckfinder/userfiles/files/53209728174.pdfIn PDF document text
  • http://haithuanphat.com/uploads/files/45636685478.pdfIn PDF document text
  • http://ketphatthinh.vn/upload/files/31905392899.pdfIn PDF document text
  • https://gangwontaxi.com/FileData/ckfinder/files/20210908_29AFA7EB24F39DDE.pdfIn PDF document text
  • https://www.chauffeur-prive-nice.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1613a049e92c54---8519036955.pdfIn PDF document text
  • http://ameshamagazine.com/js/upload/files/nadularilajibebutozanilo.pdfIn PDF document text
  • http://ruihuitax.com/files/file/77437163429.pdfIn PDF document text
  • http://ibookingkr.com/FileData/ckfinder/files/20210910_0D355B92284A6529.pdfIn PDF document text
  • http://wohingltd.com/userfiles/84680515666.pdfIn PDF document text
  • http://mackielaw.net/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/80416958739.pdfIn PDF document text
  • http://asesorialuishervas.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132e856bed63---95843705964.pdfIn PDF document text
  • http://teranor.com/ckfinder/userfiles/files/90746782173.pdfIn PDF document text
  • http://nbc.com.vn/ckfinder/userfiles/files/84127385297.pdfIn PDF document text
  • http://bkmarine.net/ckfinder/userfiles/files/1630951243.pdfIn PDF document text
  • https://tvsporedi.si/vsebina/gisemebudanavikaxesume.pdfIn PDF document text
  • https://roshnaai.com/ckfinder/userfiles/files/wagarozexutesozamajiwu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=short+reading+passages+pdfPDF 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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