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 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://ttlh.vn/storage/ckfinder/files/67854608911.pdf In PDF document text

  • https://www.sidertest.it/wp-content/plugins/formcraft/file-upload/server/content/files/161580bc38f32d---66117404368.pdfIn PDF document text
  • https://wlao.on.ca/wp-content/plugins/super-forms/uploads/php/files/368505527e57d85fdd711906f8a74849/tunomarunovixuzagot.pdfIn PDF document text
  • http://kirakuramenandsushi.com/uploads/files/gewobalelizisi.pdfIn PDF document text
  • http://lifebeachvilla.com/uploads/image/files/gotodamopeb.pdfIn PDF document text
  • http://asid.rw/userfiles/file/fajozeti.pdfIn PDF document text
  • http://www.fan-consultants.com.tw/ezadmin/ckfinder/userfiles/files/xubapa.pdfIn PDF document text
  • http://www.physedu.in/newsite/userfiles/files/sexewava.pdfIn PDF document text
  • http://ronaldtan.nl/images/photo/27788144604.pdfIn PDF document text
  • http://studiomanzella.com/userfiles/files/bisokup.pdfIn PDF document text
  • http://www.jacenter.org/js/ckfinder/userfiles/files/15833157015.pdfIn PDF document text
  • https://ottopianos.nl/files/45212501787.pdfIn PDF document text
  • http://nwatchonline.net/userfiles/file/zefalaf.pdfIn PDF document text
  • https://illinoisfiscalpolicycouncil.org/app/webroot/userfiles/file/93136104385.pdfIn PDF document text
  • http://halanmilk.com/upload/files/15984896328.pdfIn PDF document text
  • https://cosmeticdermatologymiamibeach.com/uploads/data/files/75471676984.pdfIn PDF document text
  • http://hongpakthai.com/ckfinder/userfiles/files/34348864686.pdfIn PDF document text
  • https://veaodaibrahma.com/uploads/image/files/niruritofupo.pdfIn PDF document text
  • http://fabrykakonwersji.pl/wp-content/plugins/super-forms/uploads/php/files/e0bb1cfb56dee9d35d74a3e3f6b5a714/45274064151.pdfIn PDF document text
  • https://kibledergisi.net/resimler/files/53855139494.pdfIn PDF document text
  • http://librojuridico.com/aym_images/files/gowavopovenuv.pdfIn PDF document text
  • https://precisionautoandac.com/wp-content/plugins/super-forms/uploads/php/files/67e5b2cd6cf4bcc6911d90faa2704d66/kigamowobe.pdfIn PDF document text
  • http://szsahsh.com/uploads/files/35229548127.pdfIn PDF document text
  • http://vip-cond.ru/userfiles/file/40980394276.pdfIn PDF document text
  • https://gilboamedia.com/userfiles/file/81701217854.pdfIn PDF document text
  • http://feedproxy.google.com/~r/Xvkpad/~3/u-9XGpgKpwY/uplcv?utm_term=controversial+photos+in+historyPDF 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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