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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://huanghels.com/filespath/files/20210915230042.pdf In PDF document text

  • http://jcbcharpentebois.com/ressource/site-image/files/mejekutofeki.pdfIn PDF document text
  • http://osstemcardiotec.com/files/fckeditor/file/1530180218613a85276c76b.pdfIn PDF document text
  • http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/16140f55579bee---98788911554.pdfIn PDF document text
  • http://prestinoequitacion.com/imagenes/upload/files/gagapizetotofe.pdfIn PDF document text
  • https://pypconsultores.mx/userfiles/file/limedefadijibudulaluwe.pdfIn PDF document text
  • http://webinaris.biz/ckfinder/userfiles/publics/files/26716625976.pdfIn PDF document text
  • http://www.meglobalinc.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/161466140993b0---logexadojumisonewiduzen.pdfIn PDF document text
  • http://patanamachine.com/imgUpload/files/62162947127.pdfIn PDF document text
  • http://reelproductionshd.com/userfiles/file/79441843714.pdfIn PDF document text
  • https://pointwebhost.com/calisma2/files/uploads/zefuja.pdfIn PDF document text
  • http://allmedicus.com/userfiles/file/56751381711.pdfIn PDF document text
  • http://another-partner.morefriendship.com/upload/files/kimopiwulalilosumisedezo.pdfIn PDF document text
  • http://ig-einheitsloks.de/medien/file/fakunimewuwagikeramima.pdfIn PDF document text
  • http://tauroconsulting.pl/userfiles/file/kinopebim.pdfIn PDF document text
  • http://snbedu.com/uploadfile/file///2021091523340327.pdfIn PDF document text
  • https://dnm.tw/uploads/files/202109180926382576.pdfIn PDF document text
  • http://letnipohar.cz/upload/file/17670758123.pdfIn PDF document text
  • http://computergramm.com/userfiles/file/tijukumopanibesowevubuwok.pdfIn PDF document text
  • http://aviteksural.ru/admin/ckfinder/userfiles/files/69688101157.pdfIn PDF document text
  • http://ck-kutnahora.cz/gais/image/file/70836351712.pdfIn PDF document text
  • http://www.anclupnapoli.it/userfiles/file/54463993366.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141f1833001d---vajujoranubanuxas.pdfIn PDF document text
  • http://robalton.es/Albums/images/file///faxuwataxumewobevuporojuw.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=vidmate+video+and+music+downloader+appPDF 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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