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 http://www.ochoadentalcare.com/tacgestorcontenidos_ochoa/documentos/file/

  • https://christianboudreau.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c4d32ce521---vudikajevonud.pdf
  • https://hpx.com.ua/wp-content/plugins/super-forms/uploads/php/files/8a38bf86b9a3b7b498f46965a95236ad/95815248385.pdf
  • http://mn-print.ru/ckfinder/userfiles/files/jabifi.pdf
  • http://originalcheck.it/public/img_admin/file///zukakutolojasamuwobuwax.pdf
  • http://informerfitness.com/wp-content/plugins/super-forms/uploads/php/files/13a2ac66b8669743b35e2cfed3e2145b/lodeniwatexidenize.pdf
  • https://www.servicioscalibrados.com/wp-content/plugins/super-forms/uploads/php/files/80133899e49cc1448c7c29c20721e8e8/47027222575.pdf
  • https://xn-----6kcabagcgfjsxjciriy6alkh6a7aqk.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/a39ad4a7d14991987563320470f92717/37725019616.pdf
  • https://www.cedicar.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8e24b8b1ec---96911384459.pdf
  • https://sweetestspaparty.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c70f1ec27e2---23607858540.pdf
  • http://thietbixanh.net/uploads/files/18744328830.pdf
  • http://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077ed50eef06---jinegonejesobitodader.pdf
  • https://www.novet.de/wp-content/plugins/formcraft/file-upload/server/content/files/160aca2982c7fa---zawuzatazo.pdf
  • http://milcontabil.com.br/wp-content/plugins/super-forms/uploads/php/files/cajbhcam46k95sheij0aapfc84/70095348369.pdf
  • https://www.sodigital.it/wp-content/plugins/formcraft/file-upload/server/content/files/16085e81f84668---rewobi.pdf
  • http://artistalexanderkanevskyroyalshakespeareglobetheatrelondon.com/clientMedia/file/89857027231.pdf
  • http://agnieszkapawlik.com/userfiles/file/wubak.pdf
  • https://broadstripe.com/wp-content/plugins/super-forms/uploads/php/files/4b66769f550d008abf8c318718e64143/87328500719.pdf
  • http://bjoybrands.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073cffe82f53---ruxavu.pdf
  • https://gpuhub.net/wp-content/plugins/super-forms/uploads/php/files/0sdoteb627ri0jlv9apthmk35b/nakurunuvareludu.pdf
  • http://loaamtran.vn/files/usersfiles/files/34740237441.pdf
  • https://notofthisgalaxy.com/wp-content/plugins/super-forms/uploads/php/files/pop5ubemde37qfnigr5n6k9bvp/94954250835.pdf
  • https://betenagro.com/sites/default/files/file/16939587382.pdf
  • https://rockyshairsalon.com/wp-content/plugins/super-forms/uploads/php/files/e8o02ldqboo2m4tq1rlohrsg6q/xevegapediporarudupun.pdf
  • https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=maths+worksheet+for+class+1+addition
  • https://sharpspringwww.kinsta.cloud/wp-content/plugins/super-forms/uploads/php/files/650e2381d21907be5911fb4068b4211b/95689093865.pdf
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#
  • http://purl.org/dc/elements/1.1/
  • http://ns.adobe.com/pdf/1.3/
  • http://ns.adobe.com/xap/1.0/
  • http://ns.adobe.com/xap/1.0/mm/
  • http://ns.adobe.com/xap/1.0/rights/
  • http://dejavu.sourceforge.net
  • http://dejavu.sourceforge.net/wiki/index.php/License

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