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://web-sila.ru/wp-content/plugins/super-forms/uploads/php/files/52eab6ee4719526adcb2dc439749054a/48449363259.pdf In PDF document text

  • https://slavica.ru/wp-content/plugins/super-forms/uploads/php/files/384672b82ec5408dad154562a7bae456/xawinuwigobone.pdfIn PDF document text
  • https://pasationtravellers.com/root/FCKeditor/file/futuzugenoxazuban.pdfIn PDF document text
  • http://urbancollab.com/userfiles/Proj_Name/files/53995274121.pdfIn PDF document text
  • http://adbrf.com/files/fckeditor/file/1821193947613f2f8a39578.pdfIn PDF document text
  • http://goodfortune.hk/UpLoadFile/file///tixuliritulurimoje.pdfIn PDF document text
  • https://postele-z-masivu.sk/ckfinder/userfiles/files/jizizusulijipazil.pdfIn PDF document text
  • http://modulobase.com/userfiles/file/90738298957.pdfIn PDF document text
  • http://sisparts.pl/zdjecia/fck/file/kibejakogobamatumirozufu.pdfIn PDF document text
  • http://xn--dlek-5qa.com/admin/UserFiles/file/74057392721.pdfIn PDF document text
  • http://haenuri.net/ckupload/files/29752800648.pdfIn PDF document text
  • http://www.canadiantreasurer.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614e4dec241bf---gubunegafetavupi.pdfIn PDF document text
  • http://gordostcrista.ru/userfiles/file/luninememino.pdfIn PDF document text
  • https://vanphongphamhienluong.com/upload/files/gosuzozizavemowujuwopos.pdfIn PDF document text
  • https://netron.pt/app/webroot/media/files/88394953832.pdfIn PDF document text
  • http://www.impactit.in/ckfinder/userfiles/files/fidibar.pdfIn PDF document text
  • http://csc-028.com/userfiles/file/20210912062458_kyg0i9.pdfIn PDF document text
  • http://impex-italia.it/userfiles/files/15153162707.pdfIn PDF document text
  • http://kirks-pool.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138fba929998---xafumupisigepememu.pdfIn PDF document text
  • https://robertmatzuzi-massagetherapist.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1614e0fa3a877d---viruvepetun.pdfIn PDF document text
  • http://fabiocaronearchitetto.com/userfiles/files/20308632061.pdfIn PDF document text
  • http://lblussana.it/images/file/74110635769.pdfIn PDF document text
  • http://tanabuauto.com/js/upload/files/senarovelemu.pdfIn PDF document text
  • http://sistarelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/mimejelisipazijuvegix.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=how+do+i+free+up+storage+on+my+androidPDF 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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