Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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://nomylo.ru/uplcv?utm_term=worcester+18i+system+boiler+pdf PDF link annotation

  • http://yuseigachi.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161235036c85cc---81965145883.pdfIn PDF document text
  • http://colafranceschi.it/userfiles/files/lasebidepufedogolid.pdfIn PDF document text
  • http://global-gypsum.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075fea75ae4e---57973590788.pdfIn PDF document text
  • http://hublihorse.com/uploads/userfiles/files/72394972492.pdfIn PDF document text
  • http://perfect-gallery.com/userfiles/file/novimugezalirelamif.pdfIn PDF document text
  • http://lilit-realty.com/wp-content/plugins/super-forms/uploads/php/files/03i2sdiggunnvmbm6qsl61edo4/52619596026.pdfIn PDF document text
  • http://www.misshandicap.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160895f8719189---65339426955.pdfIn PDF document text
  • https://666666.vn/upload/fck/file/garulotapumaxofanofo.pdfIn PDF document text
  • http://dpsszczytno.pl/photo/file/foxununufatabewolojibi.pdfIn PDF document text
  • https://thuhuonglacquer.com/uploads/news_file/88921923097.pdfIn PDF document text
  • https://dipinkrishna.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f377c21a6c---61577827973.pdfIn PDF document text
  • https://implant-drill.com/userfiles/file/63180957962.pdfIn PDF document text
  • http://congtyvima.com/images/Download/welopura.pdfIn PDF document text
  • http://koopmankennedyfeller.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/85104137021.pdfIn PDF document text
  • https://newat.ru/wp-content/plugins/super-forms/uploads/php/files/4ac59617e91e5bb830344484a79f294c/furutukuw.pdfIn PDF document text
  • https://imapcb.org/wp-content/plugins/super-forms/uploads/php/files/75cbf0lce4i2bet9o2s2028fv7/37648023937.pdfIn PDF document text
  • http://viettelhaiphong.me/data/dulieu/files/parudawinigivubima.pdfIn PDF document text
  • http://hiace-yoshikawa.com/js/upload/files/66824722003.pdfIn PDF document text
  • http://finsura-lifedirect.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a29f3973447---tukezajibevowujetitiruvil.pdfIn PDF document text
  • https://www.alpha-dynamics.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160bb437a25a30---volabavaxelazi.pdfIn PDF document text
  • https://storage-in-motion.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608231171ecef---zijorizepukikanadetasagik.pdfIn PDF document text
  • http://kme-kme.cz/files/file/fekibazus.pdfIn PDF document text
  • http://botosani.ro/img/uploads/file/sutizogaxawutegivene.pdfIn PDF document text
  • https://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b33a3c6a996---34379998141.pdfIn PDF document text
  • https://alakharia.com/public_html/userfiles/file/jamexilolutewesosoxi.pdfIn PDF document text
  • 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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