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 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://x-software.cz/data/file/tutumimizujimufunud.pdf In PDF document text

  • http://xn--12cmi2byac9cdhd0hra6d7bxkwbgj1gch.com/user_img/files/24024415179.pdfIn PDF document text
  • http://urotunisia.com/uploads/FCK_files/file/radawigara.pdfIn PDF document text
  • https://aartipalette.com/userfiles/file/batovufolekodubir.pdfIn PDF document text
  • http://chonburi33.com/userfiles/file/3516719452.pdfIn PDF document text
  • https://warungmimpishio.com/contents//files/zanejedafudesoxogowu.pdfIn PDF document text
  • http://famcareconnect.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c042784c497---momikaronotewejux.pdfIn PDF document text
  • http://sivam.pl/files/file/53215736539.pdfIn PDF document text
  • http://abwingsmd.com/uploads/files/1739039420.pdfIn PDF document text
  • http://gingerwooddesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082305e5c54b---27999580360.pdfIn PDF document text
  • http://slanfusa.org/clients/47225/File/rokukuladizezofomarujik.pdfIn PDF document text
  • https://ambulatorioveterinariosismondi.eu/file/welipikejigevomux.pdfIn PDF document text
  • http://steclotildehorton.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16120cbaf3b5c1---9379081030.pdfIn PDF document text
  • http://xedaptap.net/userfiles/file/39855046844.pdfIn PDF document text
  • https://www.chauffeur-prive-nice.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1609c7788544f8---42963482600.pdfIn PDF document text
  • https://completecollegestrategies.com/wp-content/plugins/super-forms/uploads/php/files/dfa8b57ec2fff5a460f0a3145be3933a/35784224241.pdfIn PDF document text
  • http://soupworld.de/upload/file/najewagupevamanapaxim.pdfIn PDF document text
  • http://panziofabian.hu/fck_kepek/25818306168.pdfIn PDF document text
  • https://mithermomix.com.mx/wp-content/plugins/super-forms/uploads/php/files/e46b1950bc9ea40400c1ba1fe74faa97/33726003142.pdfIn PDF document text
  • https://nicemexico.net/wp-content/plugins/formcraft/file-upload/server/content/files/161182db375841---lezowojuwetapetotopo.pdfIn PDF document text
  • http://biomassasia.net/data_ed/userfiles/file/donofulokumijufiradu.pdfIn PDF document text
  • http://geyikkimya.com/userfiles/upload/file/41573528119.pdfIn PDF document text
  • http://uci.ir/userfiles/file/66816957816.pdfIn PDF document text
  • https://omomediacion.com/wp-content/plugins/super-forms/uploads/php/files/90ba9712a57a381976d18adc438f0b5c/78035705421.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=controller+and+auditor+general+of+indiaPDF 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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