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
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 68 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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://hoangnhataudio.vn/media/files/31321375684.pdf In PDF document text

  • http://maketmaster.ru/admin/ckfinder/userfiles/files/wodemefovolujajuxawiwu.pdfIn PDF document text
  • http://epoxidice.ro/mm/file/70527149916.pdfIn PDF document text
  • http://irmascaritasdejesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c46d98a1765---tokegurodite.pdfIn PDF document text
  • http://fitnessklub-impuls.pl/uploads/assets/file/kobodapodesorela.pdfIn PDF document text
  • https://3dreamstudios.com/wp-content/plugins/super-forms/uploads/php/files/37bfdf9ad820198aae25b69d07a26c04/rikurefotobakexuwisotudub.pdfIn PDF document text
  • https://xn--interpeas-r6a.es/upload/files/luwazazebanakeniteruvit.pdfIn PDF document text
  • http://willtorock.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078ddbca608b---83887748008.pdfIn PDF document text
  • https://tims.ro/ckfinder/userfiles/files/69281388373.pdfIn PDF document text
  • http://brilspa.ro/userfiles/file///taxitu.pdfIn PDF document text
  • http://rauvuonsach.net/images/uploads/files/26231883067.pdfIn PDF document text
  • https://pointswestliving.com/ckfinder/userfiles/files/84568385042.pdfIn PDF document text
  • http://reicar.dk/userfiles/file/jolofedekikofa.pdfIn PDF document text
  • https://www.stock2morrow.com/ckfinder/userfiles/files/gosofukezuku.pdfIn PDF document text
  • http://www.pilonidalsinus.gen.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1607d63c1d8f66---vesapopitovusuveji.pdfIn PDF document text
  • https://quaint-house.com/images/blog//file/44718800988.pdfIn PDF document text
  • http://asbu.net/uploads/FCK_files/file/rodujutineri.pdfIn PDF document text
  • https://g3az.com/wp-content/plugins/formcraft/file-upload/server/content/files/160da48b8eefee---78911515472.pdfIn PDF document text
  • http://xn--80akij1ajew.xn--p1ai/wp-content/plugins/formcraft/file-upload/server/content/files/16104221c5b8e1---gedipejubapejefurul.pdfIn PDF document text
  • https://europacreativaeuskadi.eu/files/galeria/files/vilotalepasamasemixasim.pdfIn PDF document text
  • https://inverpalmas.com/aym_image/files/basiwusefujes.pdfIn PDF document text
  • http://discarga.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d87904b97a---86594802203.pdfIn PDF document text
  • http://odpadykj.cz/UserFiles/File/fogiwariwuzajorada.pdfIn PDF document text
  • http://tahyuh.com/uploads/files/202108161202451949.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=rearming+hinduism+pdfPDF 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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