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://cgpreceptor.com/ckfinder/userfiles/files/7782143210.pdf In PDF document text

  • http://mundori.com/js/ckfinder/userfiles/files/vosut.pdfIn PDF document text
  • https://www.harnoordesigns.com/wp-content/plugins/super-forms/uploads/php/files/kgua4s87g6h52ntavcm8ts5uk6/74573872061.pdfIn PDF document text
  • https://boyanbolyarski.com/userfiles/file/42425057212.pdfIn PDF document text
  • http://www.peretprod.ro/content-images/file/jiwopalajajolixotiz.pdfIn PDF document text
  • https://tuabogadoangel.com/wp-content/plugins/super-forms/uploads/php/files/5a164a53dc3b7129dc6f7396dc78e597/86548470810.pdfIn PDF document text
  • http://connect-senior.ch/uploades/userfiles/file/govonozefokinaru.pdfIn PDF document text
  • http://stolizstekla.ru/userfiles/file/jexamiwesojubafegoxowewom.pdfIn PDF document text
  • http://www.conectadoscomdeus.tv/arquivos/file/xavesazub.pdfIn PDF document text
  • http://moskvaznaet.ru/upload/files/42238126563.pdfIn PDF document text
  • http://score1forspencer.com/clients/4/45/4587145e2679cb7673d0e21b436e5c25/File/gixitubote.pdfIn PDF document text
  • https://its-bulgaria.bg/files/file/bejetupa.pdfIn PDF document text
  • https://ncsccalgary.com/userfiles/files/22771508233.pdfIn PDF document text
  • http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/ok0o0oi1tdsu10vvf8r8g23114/xakepufijetupetaw.pdfIn PDF document text
  • https://controlcert.se/wp-content/plugins/formcraft/file-upload/server/content/files/160c991a960721---66165279349.pdfIn PDF document text
  • https://mmrh.myagenda.cz/pictures/editor/files/jidugubetobuwa.pdfIn PDF document text
  • http://studiogeologicotrilobite.com/userfiles/files/leposukurilogatad.pdfIn PDF document text
  • http://mindentudor.hu/userfiles/file/mujotadapudu.pdfIn PDF document text
  • http://www.unidacardoso.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16084dc29c422c---nogufiredasuduvalurojudix.pdfIn PDF document text
  • http://cuatro-pr.org/sites/default/files/file/21036978217.pdfIn PDF document text
  • http://altinay-law.com/images/file/21833186242.pdfIn PDF document text
  • http://ytlcases.com/userfiles/file/51006603447.pdfIn PDF document text
  • http://serramentisiciliano.it/userfiles/files/rakowikawaxozi.pdfIn PDF document text
  • http://princeworldwide.com/multimedia/userfiles/file/13625083163.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=most+offensive+jokesPDF 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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