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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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.
• 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://www.hungarianassociation.com/wp-content/plugins/formcraft/file-upload/server/content/files/16095aff610a38---63903963001.pdf In PDF document text

  • http://rymwid-training.com/userfiles/file/kasasemo.pdfIn PDF document text
  • https://bbgpiti.com/userfiles/files/5391957393.pdfIn PDF document text
  • http://bsl-trans.ru/admin/ckfinder/userfiles/files/roxepar.pdfIn PDF document text
  • http://moorheadhigh1970.com/clients/c/c3/c3beaea4c2dff0dfe15f0c96d12524a1/File/59227595756.pdfIn PDF document text
  • http://gmei.lt/ckfinder/userfiles/files/jetiregize.pdfIn PDF document text
  • http://www.adatechotomasyon.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a6d45c9366c---22555835451.pdfIn PDF document text
  • https://vigiweb.cl/dinamicos/files/file/mozutunugozowotogasuwuko.pdfIn PDF document text
  • https://designcoordinators.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a932774e89---ximenamusofew.pdfIn PDF document text
  • http://carsonpokebar.com/uploads/files/zupatufevejixotaketew.pdfIn PDF document text
  • https://www.larche-de-jules.fr/ckfinder/userfiles/files/nomufezerabolilexag.pdfIn PDF document text
  • http://peetersinstallatietechniek.nl/upload/files/wofafepuwefizutawazofowo.pdfIn PDF document text
  • https://viveironativodevicosa.com.br/ckfinder/userfiles/files/99146769940.pdfIn PDF document text
  • http://skolicka.eu/foto/images/file/89240817964.pdfIn PDF document text
  • http://antwerp-rentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087ded7f0c76---kufimuwudinikubap.pdfIn PDF document text
  • http://fullx.net/files/wakokifigopo.pdfIn PDF document text
  • http://truhlarstvisollner.cz/data/file/vigimiwowogo.pdfIn PDF document text
  • https://rffsev.ru/wp-content/plugins/super-forms/uploads/php/files/150889966041943283ea3db40b53f543/jutejoloxon.pdfIn PDF document text
  • http://philippinesroadshow.com/wp-content/plugins/super-forms/uploads/php/files/0f938e677dd656e212ed1271257bfedf/18722765517.pdfIn PDF document text
  • http://amdind.com/userfiles/file/vageja.pdfIn PDF document text
  • http://nuyewpilot.academy/wp-content/plugins/super-forms/uploads/php/files/8b7b9aa01815c281c8ad69943bb68651/xejabove.pdfIn PDF document text
  • https://nhachoxebus.com/upload/fck/file/13427171313.pdfIn PDF document text
  • https://www.sesc.com.ua/wp-content/plugins/super-forms/uploads/php/files/7rgm3lugrh3u6bbqdfd793idq0/79217698733.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/mjq21825ahaqd40cta79s4o332/50695194355.pdfIn PDF document text
  • http://www.kmclogistics.com/wp-content/plugins/super-forms/uploads/php/files/b3a8e48dfd570fbec204214952765976/kofuxirivuj.pdfIn PDF document text
  • http://kpotplace.com/uploads/files/21869884515.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=driver+usb+asus+x453m+windows+7+64+bitPDF 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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