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://infrive.ru/uplcv?utm_term=dance+music+manual+by+rick+snoman PDF link annotation

  • http://backyardreleaf.ca/clients/6/6a/6a4eaaf8452764cb6fc14c9064ed0c71/File/74269532674.pdfIn PDF document text
  • http://donaldnathanlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/52958221451.pdfIn PDF document text
  • https://trichynext.com/wp-content/plugins/super-forms/uploads/php/files/c36db7bdd7d476d9f577200dade62fdc/40604774291.pdfIn PDF document text
  • http://reanda.com/jingkelun/userfiles/files/20210604030536.pdfIn PDF document text
  • http://www.prieteniitehnicii.ro/documente/file/zidonowejabipit.pdfIn PDF document text
  • https://www.zaantraining.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1612d32db3407d---16736923087.pdfIn PDF document text
  • http://capriololaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/59596814626.pdfIn PDF document text
  • http://homeopathyhongkong.org/files/74757562062.pdfIn PDF document text
  • http://runhouchem.com/upload/files/nidupa.pdfIn PDF document text
  • http://aci-immobilier-douai.fr/userfiles/files/mobogiwojujevumup.pdfIn PDF document text
  • http://pansophers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608faf411d56a---12018731712.pdfIn PDF document text
  • http://zhouzhuanx.com/v15/Upload/file/2021813135749493.pdfIn PDF document text
  • https://sf-tfi-pgu.uz/wp-content/plugins/super-forms/uploads/php/files/2413280a4e4dfd152860d380af00f680/jonisej.pdfIn PDF document text
  • http://creative-format.com/upload/editor/files/6524755649.pdfIn PDF document text
  • http://ambulatorioveterinariosantanna.eu/userfiles/files/tusilafowowulu.pdfIn PDF document text
  • https://semineebrasov.ro/printuri-fi/files/vapejoga.pdfIn PDF document text
  • http://global-poseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b55cdfbcc58---58786876755.pdfIn PDF document text
  • http://basyapiemlak.com/yukleme_klasoru/userfiles/file/wixubixaj.pdfIn PDF document text
  • http://leap-egypt.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609fa5ff759bf---zajakibupowawutevusa.pdfIn PDF document text
  • https://suemsas.com/wp-content/plugins/super-forms/uploads/php/files/690jupbi6sm3cmm3uec8do3c93/neredebapovupejexupotewij.pdfIn PDF document text
  • https://actaviaserica.org/board/file/files/doweriwalixibevamajit.pdfIn PDF document text
  • https://www.generalutilities.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b29d3050d5c---64827039702.pdfIn PDF document text
  • https://thriveelearning.com/wp-content/plugins/super-forms/uploads/php/files/0a7af966af178a27e6677d381a15eb21/temusorudewepusoxukuvulat.pdfIn PDF document text
  • http://fine-trading-knotwork.de/uploads/media/24486923334.pdfIn PDF document text
  • https://iveducentar.com/uploads/assets/file/luluzaderowoxezabixag.pdfIn PDF document text
  • https://acronimocostanzo.com/userfiles/file/suzovufofodamejux.pdfIn PDF document text
  • 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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