Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://inwebjor.ru/uplcv?utm_term=number+of+neutrons+in+polonium PDF link annotation

  • https://www.xcelsus.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607e2cf93bfe5---wugekojodojedajitij.pdfIn PDF document text
  • https://dongytueduc.com/wp-content/plugins/super-forms/uploads/php/files/87vcdig8grg7bgmcld6cpaor21/12275649131.pdfIn PDF document text
  • https://www.peeryhotel.com/wp-content/plugins/super-forms/uploads/php/files/8876d636a2cc7a6da3a5fdb846d7a1e1/23524183081.pdfIn PDF document text
  • https://www.amiunaorchestra.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607e99c7e411a---woforax.pdfIn PDF document text
  • https://nhaban24h.com.vn/wp-content/plugins/super-forms/uploads/php/files/r86lgm3l5e12474j27h3odf5ol/12556226211.pdfIn PDF document text
  • http://www.empresasdelimpeza.info/wp-content/plugins/formcraft/file-upload/server/content/files/1607d2abbd0280---53759429678.pdfIn PDF document text
  • https://wulf-sanitaer.de/wp-content/plugins/super-forms/uploads/php/files/6t14osrttfh37cof47g5mfd4er/nimusam.pdfIn PDF document text
  • http://mudrkanuch.sk/editor_uploads/system/files/devigafopofom.pdfIn PDF document text
  • http://nitecoreromania.ro/files/file/gidedaderotoledunozalipu.pdfIn PDF document text
  • https://szabobuszberles.hu/files/files/jekofimuxuv.pdfIn PDF document text
  • https://www.saenger-ohg.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607ebf99eea6c---41233912850.pdfIn PDF document text
  • http://prosquash.by/data/80866170726.pdfIn PDF document text
  • http://exmar.it/foto_fck/file/matibumubuxazuzogijipozi.pdfIn PDF document text
  • https://supermagnum-bg.com/userfiles/file/bodigivudenofik.pdfIn PDF document text
  • http://xn----7sbabaajmdfbk3ddf3azka3b6a2r.xn--p1ai/ckfinder/userfiles/files/divig.pdfIn PDF document text
  • http://reclaimsplus.com/wp-content/plugins/super-forms/uploads/php/files/beba584dbb38d81d6ac9637784022ce3/lakarobupasutekomakaw.pdfIn PDF document text
  • http://vce34.ru/attachments/file/95137388805.pdfIn PDF document text
  • https://www.bouwenaaneensterkwerkgeversmerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160afc4fc685ab---nasonavarolovodenukowi.pdfIn PDF document text
  • http://automsystem.com/UploadFile/file/20210728092840409.pdfIn PDF document text
  • https://journeywithmypet.com/ckfinder/userfiles/files/27423880735.pdfIn PDF document text
  • https://yastudio.net/wp-content/plugins/super-forms/uploads/php/files/c18364632fba8df707ae8a823ba138e2/1277178071.pdfIn PDF document text
  • https://esteticarcare.com/wp-content/plugins/super-forms/uploads/php/files/fecd5326ecda485c9657c91f27d65e05/kajusugefotopuxaw.pdfIn PDF document text
  • http://www.chicagoalphas.com/wp-content/plugins/formcraft/file-upload/server/content/files/16107e3472f82c---90443446370.pdfIn PDF document text
  • http://vip-cond.ru/userfiles/file/64095958267.pdfIn PDF document text
  • https://5uempat.com/contents//files/xojizuxateruxa.pdfIn PDF document text
  • http://progfin.pl/userfiles/file/17477187675.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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