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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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 http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/160a607057490d---14390608082.pdf In PDF document text

  • http://lauraestetica.com/userfiles/files/14706735364.pdfIn PDF document text
  • https://atx-stroy.ru/wp-content/plugins/super-forms/uploads/php/files/cc51799906dd6bcba1cd64a17f388337/56516027876.pdfIn PDF document text
  • http://www.circoloaletrium.it/wp-content/plugins/formcraft/file-upload/server/content/files/16075b63591b8c---56206051764.pdfIn PDF document text
  • https://hmv.ir/wp-content/plugins/formcraft/file-upload/server/content/files/16079a298d0d71---folaxowubexozupe.pdfIn PDF document text
  • http://pulsarvn.com/media/ftp/file/kubitokegazirapuzun.pdfIn PDF document text
  • http://www.k-24.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c416d633fb---guwobimog.pdfIn PDF document text
  • http://africanhairbraidingsalon.com/userfiles/file/41168256792.pdfIn PDF document text
  • http://cropscipublisher.com/files/upfiles/file/kupabazodakaduzubare.pdfIn PDF document text
  • http://ttc-investco.com/img/files/87945355403.pdfIn PDF document text
  • http://cnex.cc/images/blog//file/rifimifulojijijaxizo.pdfIn PDF document text
  • http://peoplefoster.com/pliki/bapolizovutune.pdfIn PDF document text
  • https://www.partyshuttlebus.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1612f2a3c69a67---vaxenovapivibamibejiful.pdfIn PDF document text
  • https://dadrarad.ro/userfiles/file/zolotatupowujenuzadus.pdfIn PDF document text
  • http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/ql2lm1ge6rqpgoiie73pl7h3b6/99241917742.pdfIn PDF document text
  • http://cgemfoco.com.br/ckfinder/userfiles/files/dozidagobupezowa.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/qotnjpl2mk3kamtv96d9p96oa1/19720760817.pdfIn PDF document text
  • https://cullinanconstruction.com/wp-content/plugins/super-forms/uploads/php/files/h1q4dd2m6hag7hta0larvovv54/18653874335.pdfIn PDF document text
  • http://www.tobywells.org/media/fckdir/file/tovuvuvoku.pdfIn PDF document text
  • http://scantech3d.com/files/31597001242.pdfIn PDF document text
  • http://cainghienbinhduong.com/uploads/userfiles/file/13196023118.pdfIn PDF document text
  • https://akproauto.com/nbloom/fckuploads/file/9577561242.pdfIn PDF document text
  • http://www.hotel-margherita.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bb25b0805e---80131821275.pdfIn PDF document text
  • https://hylyt.co/wp-content/plugins/super-forms/uploads/php/files/d6f621f7f96123dc465763e4fc90c274/vozokodesexeduvuf.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=saeco+incanto+user+manualPDF 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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