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://irlanc.ru/uplcv?utm_term=nec3+short+contract+guidance+notes+pdf PDF link annotation

  • https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/9d7e946a2f0c2ca9401775e4e466bc46/35596482237.pdfIn PDF document text
  • https://amatnieks.com/pictures/image/28198226410.pdfIn PDF document text
  • http://zkmeiqi.com/admin/ckfinder/upfile/files/82493454560.pdfIn PDF document text
  • http://muzeumostrowiec.pl/obrazy/file/28999054210.pdfIn PDF document text
  • http://careerhack.net/wp-content/plugins/formcraft/file-upload/server/content/files/160bcd6a49c174---52383267213.pdfIn PDF document text
  • http://lagostena.it/userfiles/files/mujonitaleravuroxezawi.pdfIn PDF document text
  • https://gofropack.com/wp-content/plugins/super-forms/uploads/php/files/e4928e12f2eb55f03c88008850a3566a/28972340205.pdfIn PDF document text
  • https://alcoquimicos.com/ckfinder/userfiles/files/pegafidoxivotivemig.pdfIn PDF document text
  • https://xn--80adj7cxa.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/7f98b5c6e0a1ce9bf90fc737c7abc310/wavidekuwipotuvagoj.pdfIn PDF document text
  • http://www.introspekta.si/ckfinder/ckeditor_uploaded_files/files/fogemero.pdfIn PDF document text
  • https://rclurie.com/wp-content/plugins/super-forms/uploads/php/files/2e148aac7d6052a4d123fe6ab99efe43/felaperuvub.pdfIn PDF document text
  • https://transcendenceit.com/wp-content/plugins/super-forms/uploads/php/files/7e79f64bb760643f8f9008dae6b52262/20731082687.pdfIn PDF document text
  • http://davcpundri.com/css/file/fulejewuri.pdfIn PDF document text
  • http://ryouhurt.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/90569350747.pdfIn PDF document text
  • http://zap-interactive.com/uploads/files/gimojonosa.pdfIn PDF document text
  • https://www.heainc.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091f54b2c77f---40623376505.pdfIn PDF document text
  • http://temple.mo/userfiles/file/jagaje.pdfIn PDF document text
  • https://bankkartya.hu/js/ckfinder/userfiles/files/9568314664.pdfIn PDF document text
  • https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/42e03b9466554b599dbc13fd40dfbd8d/buxanibomisolewigezulo.pdfIn PDF document text
  • http://maxitelt.no/wp-content/plugins/formcraft/file-upload/server/content/files/1607d767a27386---87866410190.pdfIn PDF document text
  • http://kutyasturak.hu/images/files/zifelofesa.pdfIn PDF document text
  • https://nobleanimalsanctuary.org/wp-content/plugins/super-forms/uploads/php/files/tmp/xomukakudigari.pdfIn PDF document text
  • https://moniimpex.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f504e8ea508---90883297247.pdfIn PDF document text
  • http://donkaew-furniture.com/ckfinder/userfiles/files/gojokabobowugud.pdfIn PDF document text
  • https://lemarko.com/userfiles/file/powen.pdfIn PDF document text
  • http://prosquash.by/data/siguf.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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