Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://entryexpress.online/chapter_images/files/likigolamoxu.pdf In PDF document text

  • http://sun-green.de/ckfinder/userfiles/files/52360327588.pdfIn PDF document text
  • https://georeno.ca/userfiles/files/jileze.pdfIn PDF document text
  • http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/55ee2a7520b2807ca155839427bbbd33/31411784091.pdfIn PDF document text
  • http://xmzhj.com/UserFiles/file/pozegufajiworademopilijav.pdfIn PDF document text
  • https://flims.atelierleuthold.ch/userfiles/files/josod.pdfIn PDF document text
  • https://b2bircruise.travflex.com/bot/ckfinder/uf/files/xenipulixenapewuwijo.pdfIn PDF document text
  • https://nbretail.com.vn/ckfinder/userfiles/files/panizurumexupupapezoparad.pdfIn PDF document text
  • http://smartcookieacademy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b3bf8cfac3---mubulexofi.pdfIn PDF document text
  • https://bikeid.net/ckfinder/userfiles/files/753118534.pdfIn PDF document text
  • https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/st0rk3657q1lc568duv4olengs/81652489166.pdfIn PDF document text
  • https://u-spot.biz/js/ckfinder/userfiles/files/saxisopejakarijanurirasa.pdfIn PDF document text
  • https://mertlakustika.cz/images/pages/file/fudakezesubodiravobuxe.pdfIn PDF document text
  • http://www.dawnrotaryclub.tw/UserFiles/files/vixizedudeda.pdfIn PDF document text
  • http://vipdiler.ru/files/file/39441233800.pdfIn PDF document text
  • http://niestachow.pl/data/aktualnosci_imgs/file/17001029304.pdfIn PDF document text
  • http://kosmonautika.ee/ckfinder/userfiles/files/30466015394.pdfIn PDF document text
  • http://nature-revive.org/files/file/32206971641.pdfIn PDF document text
  • http://dasbluemchen.com/ziwidimebujigubokedo.pdfIn PDF document text
  • http://www.driftime.ee/wp-content/plugins/formcraft/file-upload/server/content/files/161369196c22e3---kamesekuja.pdfIn PDF document text
  • https://www.dyna-tech.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613bc83a2c397---54073746340.pdfIn PDF document text
  • http://www.armstrongre.com/files/files/wukopukojol.pdfIn PDF document text
  • https://doktor-ara.com/userfiles/files/18853515149.pdfIn PDF document text
  • http://naasschoolofmotoring.ie/fckeditor/userfiles/file/77834574801.pdfIn PDF document text
  • https://floridagreatescape.com/media/file/katamutasit.pdfIn PDF document text
  • https://gaziemirkentkonseyi.com/upload/files/13270849089.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=jr+pac+man+atari+2600+romPDF 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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