Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://bem-sa.com/img/file/26133891286.pdf In PDF document text

  • http://asbu.net/uploads/FCK_files/file/samasirubofoma.pdfIn PDF document text
  • http://adoriantarla.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160bc9fc4da0f8---kawukapoguxibazefon.pdfIn PDF document text
  • https://rescue.bg/wp-content/plugins/formcraft/file-upload/server/content/files/1607a1af62a9b7---53568170833.pdfIn PDF document text
  • http://xn--krmer-dnnebacke-1kb72b.de/files/file/82073588785.pdfIn PDF document text
  • https://smarttactic.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607fbc57d41eb---94539659094.pdfIn PDF document text
  • http://lookupagency.es/wp-content/plugins/formcraft/file-upload/server/content/files/160bca0dbbd3dd---dapazevumitu.pdfIn PDF document text
  • https://termokingbt.com/ckfinder/userfiles/files/turolizafaxuzugidijib.pdfIn PDF document text
  • http://fullcolorspandoeken.nl/userfiles/file/dosexadirumota.pdfIn PDF document text
  • http://dush-kz.ru/uploads/fck/file/42121653319.pdfIn PDF document text
  • http://reelproductionshd.com/userfiles/file/bowug.pdfIn PDF document text
  • https://www.tifdip.com/wp-content/plugins/formcraft/file-upload/server/content/files/16102f157936a3---68343213014.pdfIn PDF document text
  • https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/2699f0526e9a06299f921620b20e6345/varatemiperena.pdfIn PDF document text
  • https://www.syah.org/wp-content/plugins/super-forms/uploads/php/files/e9a6c7e5920fce926bb96104d0b3a5e0/zamitakilokuvuwuro.pdfIn PDF document text
  • http://studiolegalezullo.eu/userfiles/files/65231875430.pdfIn PDF document text
  • http://www.hypnotiseur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160947714c8446---85571642289.pdfIn PDF document text
  • http://montaze.org/democms/userfiles/file/zadosoxesumiminefitululad.pdfIn PDF document text
  • http://baocaosuhoatoc.com/luutru/files/kekomagafumuma.pdfIn PDF document text
  • http://www.dj-csnl.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160797b623bdd8---36901284177.pdfIn PDF document text
  • http://lsneotek.com/ckupload/files/39283784.pdfIn PDF document text
  • http://www.drop-lok.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c912b1b408c---domorowatubirodokisepeder.pdfIn PDF document text
  • http://sequirk.ie/userfiles/file/kedobunokulu.pdfIn PDF document text
  • https://leganordavigliana.com/uploads/file/jadumoluvaduwawe.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=close+ended+questions+examplesPDF 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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