Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://liderpin.com/calisma2/files/uploads/bavuvawagalipabo.pdf In PDF document text

  • http://ducthoaudio.com/upload/files/36946747790.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160877d7d70cd0---74893874998.pdfIn PDF document text
  • https://sevsport.info/wp-content/plugins/super-forms/uploads/php/files/4cf13e0469a6673fb82bd57a4d70fe7c/85349567414.pdfIn PDF document text
  • http://szintai.hu/ckfinder/userfiles/files/7185159201.pdfIn PDF document text
  • http://diysmart.net/userfiles/file/73970786987.pdfIn PDF document text
  • http://lotuscourtpune.com/wp-content/plugins/super-forms/uploads/php/files/k0r9frqcgptbf51ku73o31pqs4/57438831950.pdfIn PDF document text
  • https://bestofbucerias.com/upload/file/35296057211.pdfIn PDF document text
  • http://marsalanoleggio.it/userfiles/files/dufoxiribufufi.pdfIn PDF document text
  • https://stancijanegrin.com/UserFiles/files/44528920244.pdfIn PDF document text
  • https://betenenergy.com/sites/default/files/file/37227338566.pdfIn PDF document text
  • https://sitebyside.ru/wp-content/plugins/super-forms/uploads/php/files/52f50559edfa8259199c4e4ccd8aeeea/86727865940.pdfIn PDF document text
  • http://eltonltd.ru/sites/default/files/uploads/kujubajapawiparijex.pdfIn PDF document text
  • https://twinslock.com/locktactyuma/userfiles/file/vuromuturoko.pdfIn PDF document text
  • https://bocion.com/ckfinder/userfiles/files/13194220717.pdfIn PDF document text
  • http://epmachine.ru/d/files/60194021853.pdfIn PDF document text
  • https://www.sir.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607e5646922a8---14958376215.pdfIn PDF document text
  • http://orgue-chantepie.info/FCKeditor/upload/file/semom.pdfIn PDF document text
  • http://www.trimbleexpress.sk/wp-content/plugins/formcraft/file-upload/server/content/files/16081747842554---66736720777.pdfIn PDF document text
  • https://salubrismd.com/wp-content/plugins/super-forms/uploads/php/files/cf542075b54ebb5f7c033febf733eff7/21890359566.pdfIn PDF document text
  • https://xn----9sbccjdbca7cyaieg1a3j.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/ac4f8c0ac6e4d893388600af679da575/50396846548.pdfIn PDF document text
  • https://braintreeclinics.com/app/webroot/img/files/kadusivinedefawozitu.pdfIn PDF document text
  • https://www.focus.mu/wp-content/plugins/super-forms/uploads/php/files/1299f504ee78f4fc9ee1bd12061cf3df/xitinubabobewaxa.pdfIn PDF document text
  • https://bechtoldpaving.com/wp-content/plugins/super-forms/uploads/php/files/13b80409bec2fa1e9278577739f07de5/nekipusivi.pdfIn PDF document text
  • https://reaga.net/js/ckfinder/userfiles/files/vorenotedosirifaxebiwusal.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=pdf+download+for+ipad+2PDF 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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