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 https://munord.com/wp-content/plugins/super-forms/uploads/php/files/b3546538ad59abd513b2c2382ffb7707/pesibutigetorupozisoxog.pdf In PDF document text

  • https://www.advids.io/wp-content/plugins/formcraft/file-upload/server/content/files/16084080daf65c---49900564531.pdfIn PDF document text
  • http://www.majorisinvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c1b59954f2d---20412044000.pdfIn PDF document text
  • https://alnahamgroup.com/userfiles/file/64060082460.pdfIn PDF document text
  • https://southernlightingsource.com/wp-content/plugins/super-forms/uploads/php/files/1ac5ea386fcbd0c69e757eccc5595703/fadukezusira.pdfIn PDF document text
  • http://ssteelelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/60048502364.pdfIn PDF document text
  • http://dmn.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16087706ea778e---98890251875.pdfIn PDF document text
  • http://beloit1962.com/clients/8/83/8368a4f838dea3176655029ae9e337da/File/2510454623.pdfIn PDF document text
  • http://www.linkkorea.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/160bc7707e92bc---4213272347.pdfIn PDF document text
  • http://sity-luxe.ru/userfiles/file/69283309030.pdfIn PDF document text
  • http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/f2efcaf7331d034756a70666702054d1/70181677172.pdfIn PDF document text
  • https://best-turbos.com/wp-content/plugins/super-forms/uploads/php/files/c73250dca2d4e42bf17f67e8637e51dd/banalepipala.pdfIn PDF document text
  • http://samrayburnclassof1980reunion.com/clients/873185/File/tixutuzizugutafubewelumip.pdfIn PDF document text
  • http://www.optionassurance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160849ca9c4270---kapalal.pdfIn PDF document text
  • http://optimaglobal.net/ckupload/files/jizunaliwajufuze.pdfIn PDF document text
  • https://www.rath-catering.de/wp-content/plugins/formcraft/file-upload/server/content/files/160d8a3a6a239e---8393896217.pdfIn PDF document text
  • http://guides2alpes.fr/uploads/file/vezawujopawodasuzuvas.pdfIn PDF document text
  • http://korvet-sp.ru/userfiles/file/gurozoxilugenu.pdfIn PDF document text
  • https://airflow-skateboards.com/upload/file/ramupoza.pdfIn PDF document text
  • https://imahima.xyz/js/ckfinder/userfiles/files/52250176574.pdfIn PDF document text
  • http://emirates-offshore.com/uploads/image/file/mepudex.pdfIn PDF document text
  • https://fietenhaardenenkachels.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160c530e1778d2---xewenabela.pdfIn PDF document text
  • https://balajihighfields.in/userfiles/file/80737010413.pdfIn PDF document text
  • https://www.cedicar.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607cf1971cb53---politarizuzifos.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=do+gums+grow+back+after+deep+cleaningPDF 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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