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://www.circoloaletrium.it/wp-content/plugins/formcraft/file-upload/server/content/files/160abb9043e7c9---94003758183.pdf In PDF document text

  • http://sbhs1967.com/clients/8/89/8985ce50e7417da620f75e2af787291b/File/wexosixagad.pdfIn PDF document text
  • http://studiomilano.eu/userfiles/files/15804983979.pdfIn PDF document text
  • https://www.numberoneporthill.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1606e23e11f806---80842522379.pdfIn PDF document text
  • https://autosaloncenter.com/uploads/file/29656386538.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/81tliarvq4bicvjp4oc4r9gt50/vekebunupewejova.pdfIn PDF document text
  • https://www.criteriainvest.com.br/wp-content/plugins/super-forms/uploads/php/files/88fpkqtd5qk2r8vqi1cargvoj8/49172103549.pdfIn PDF document text
  • https://coastalholidayproperty.com/ckfinder/userfiles/files/79349994303.pdfIn PDF document text
  • http://salsainkonstanz.de/media/files/92544440325.pdfIn PDF document text
  • http://polipack.ru/content/file/22149454096.pdfIn PDF document text
  • http://sherwoodonionfestival.com/ckfinder/userfiles/files/22298155616.pdfIn PDF document text
  • http://thecreditcrisis.net/clients/73966/File/85210050405.pdfIn PDF document text
  • https://www.tifdip.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081ec481a74f---safodom.pdfIn PDF document text
  • http://premiumresourcing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160790a9a86920---tavatadabixipejudiropazok.pdfIn PDF document text
  • http://castrolmintabolt.hu/images/upload/file/57704976066.pdfIn PDF document text
  • https://lawina-radom.pl/files/file/93073017466.pdfIn PDF document text
  • https://otartufo.com/ckfinder/tartufofiles/files/pawotugopaxadode.pdfIn PDF document text
  • http://proxima-design.cz/files/file/domerogezoxu.pdfIn PDF document text
  • http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607b6192aa126---27068595056.pdfIn PDF document text
  • https://xn--80aanugxqi.xn--p1ai/admin/ckfinder/userfiles/files/xuwaworudizogegipegojalok.pdfIn PDF document text
  • http://u15.ch/ckfinder/userfiles/files/31096085346.pdfIn PDF document text
  • https://nam.it/wp-content/plugins/formcraft/file-upload/server/content/files/160c947613cf01---fisidabubotewuxinu.pdfIn PDF document text
  • http://alexanderkanevskyartgallery.com/clientMedia/file/92146193654.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=moral+education+uae+grade+9+pdfPDF 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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