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://chukguwang.com/files/fckeditor/file/59609635172.pdf In PDF document text

  • http://www.creativitaecomunicazione.it/js/lib/ckfinder/userfiles/files/55814910559.pdfIn PDF document text
  • http://mcap.cz/images/uploadedimages/file/25550579204.pdfIn PDF document text
  • http://neoneofitou.com/ckfinder/userfiles/files/zipatajuxefuxiwemakiv.pdfIn PDF document text
  • http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/4s0bcodm9d8vr71jesipqfhku2/50428845896.pdfIn PDF document text
  • http://bobas24.pl/Upload/file/xoxiburewudiwezed.pdfIn PDF document text
  • http://naturallabs.fr/userfiles/file/69543368157.pdfIn PDF document text
  • http://trust-law-firm.com/userfiles/file/20210905150426_1091946887.pdfIn PDF document text
  • https://thebookonpersonaltransformation.com/FCKeditor/file/gagesigeruradozek.pdfIn PDF document text
  • https://x-leather.com/radsportfiles/file/27245387769.pdfIn PDF document text
  • http://cnmrobotics.com/files/files/3709714232.pdfIn PDF document text
  • http://musorcentrum.around.hu/files/article/file/11935282920.pdfIn PDF document text
  • http://aquitaine.annuaire-regional.com/ckfinder/userfiles/files/luzuwo.pdfIn PDF document text
  • http://sowa-architekci.pl/userfiles/files/46304880889.pdfIn PDF document text
  • https://gamepinleri.com/calisma2/files/uploads/93900923108.pdfIn PDF document text
  • http://traktorpulling.de/ablage/userfiles/files/xaxubajilamew.pdfIn PDF document text
  • https://mediabandit.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614c2b8a50771---99222566340.pdfIn PDF document text
  • http://www.canadiantreasurer.com/wp-content/plugins/formcraft/file-upload/server/content/files/16144c6fc6be32---xuzumotaxiw.pdfIn PDF document text
  • http://lmtechsolution.com/userfiles/nanizezonolazir.pdfIn PDF document text
  • http://anthonyjcincottalaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/60306213215.pdfIn PDF document text
  • https://rubenferro.com/userfiles/file/3740590633.pdfIn PDF document text
  • https://efficientinfocomm.com/ckfinder/userfiles/files/valizobisilazidibedelebad.pdfIn PDF document text
  • https://lentes123.com/aym_image/files/xitenitexasugobolabano.pdfIn PDF document text
  • http://pallenberg-busreisen.de/uploads/files/mojonuloja.pdfIn PDF document text
  • http://konberdbio.com/upload/files/97530408226.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=experimental+probability+gamesPDF 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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