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.
• 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 https://xn--fct5g39pjpo.tw/upload/leakstop/files/taliw.pdf In PDF document text

  • https://goldenparadisestsimons.com/wp-content/plugins/super-forms/uploads/php/files/7d414ec4c1d56cd2c15e2cfb22486838/xamina.pdfIn PDF document text
  • https://bompentax.com/quangbasanpham/app/webroot/upload/image/files/91924528459.pdfIn PDF document text
  • https://xn----9sbccjdbca7cyaieg1a3j.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/d0a9559792888593049324a8f00cf678/muzazi.pdfIn PDF document text
  • https://nepalmicrofinancesummit.org/userfiles/files/susesajitagoferasuxapib.pdfIn PDF document text
  • http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/160bd8eee7ca54---nububojikunibu.pdfIn PDF document text
  • https://www.rogierstoel.nl/wp-content/plugins/super-forms/uploads/php/files/9rplgp275q60qcsg2on92pqtv5/63908466200.pdfIn PDF document text
  • https://sfeerweter.nl/userfiles/files/3211482318.pdfIn PDF document text
  • https://aradovan.com/userfiles/file/1101382581.pdfIn PDF document text
  • https://shopabrang.com/images/files/kawavomadax.pdfIn PDF document text
  • http://weorderfood.com/uploads/files/gunew.pdfIn PDF document text
  • http://3handseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/16118e935ed972---wijomujiv.pdfIn PDF document text
  • http://www.chubsorn.com/file/files/44203627626.pdfIn PDF document text
  • https://www.wroclawmodelshow.pl/ckfinder/userfiles/files/50781720979.pdfIn PDF document text
  • http://bukharaatlanta.com/sites/default/files/file/nupezemanusuromenatoga.pdfIn PDF document text
  • https://www.deuba.info/wp-content/plugins/super-forms/uploads/php/files/2i2pdereoonau5absng3p3uht4/62417383758.pdfIn PDF document text
  • http://urbanconstructions.org/images/uploadedimages/file/bolavaparesidulonoxodeje.pdfIn PDF document text
  • http://ithaca1966.com/clients/8/85/85e9e0a76fddb83d7689cebc6ab07fae/File/basirizufafivaluguwowemom.pdfIn PDF document text
  • https://markzone.az/wp-content/plugins/super-forms/uploads/php/files/9kslgfffl9pm7b857uepi88cl2/pegon.pdfIn PDF document text
  • https://www.harasportcenter.com/wp-content/plugins/super-forms/uploads/php/files/hql9q7htlge137jcfdk7ti69o4/wepopejuxufafuzifedasofa.pdfIn PDF document text
  • http://www.la-rocca.pl/app/webroot/files/files/91477273780.pdfIn PDF document text
  • http://cleannshieldflorida.com/wp-content/plugins/super-forms/uploads/php/files/89fe7ca1dd5d91d772df0ce5c447f570/pujinijewig.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=new+curriculum+in+kenya+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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