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
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 1 text block(s), carries a click-outward action, and is only 67 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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://allytemp.ru/uplcv?utm_term=nuttige+apps+android PDF link annotation

  • http://willbramephotography.com/32965945606.pdfIn PDF document text
  • http://pnc21.com/files/fckeditor/file/110294287261467077cc29f.pdfIn PDF document text
  • http://www.sictombbi.fr/ckfinder/userfiles/files/85112561009.pdfIn PDF document text
  • http://discarga.com/wp-content/plugins/formcraft/file-upload/server/content/files/16142d1b08c1b8---47563001722.pdfIn PDF document text
  • https://fratellifurloni.it/file/liketumuromadovotoxinufox.pdfIn PDF document text
  • https://rhuyscampingcar.fr/images/files/nunawazonesigejevogi.pdfIn PDF document text
  • http://1night2day.com/ckupload/files/kuribujotova.pdfIn PDF document text
  • http://smithmurdock.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137d07ba5af8---17852840491.pdfIn PDF document text
  • http://ameshamagazine.com/js/upload/files/dozelarezusuvum.pdfIn PDF document text
  • http://verkaufs-akademie.com/userfiles/file/11031015882.pdfIn PDF document text
  • https://confidence-ist.com/ckfinder/userfiles/files/16134132901.pdfIn PDF document text
  • http://kiavysocina.cz/UserFiles/File/sunapapupunula.pdfIn PDF document text
  • https://directorvincentchow.com/fck_filemanager_upload/file/69564774949.pdfIn PDF document text
  • https://jeevandeepspecialcare.com/ckeditor/ckfinder/userfiles/files/gitevafobilarogarofa.pdfIn PDF document text
  • http://israel-aliya.com/wp-content/plugins/super-forms/uploads/php/files/1c4de725f9e87cc8937227019deefc1e/61663921032.pdfIn PDF document text
  • https://riverasphotovideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/161536dfdf2f47---94166540304.pdfIn PDF document text
  • http://chinajessie.com/seadata/data/uploads/img/file/163284042668.pdfIn PDF document text
  • http://proleague.dk/userfiles/file/85200211943.pdfIn PDF document text
  • https://nolimitscenter.be/peausitive/images/FCKeditor/file/12215197267.pdfIn PDF document text
  • https://pioneerlift.com/upfiles/editor/files/37245406104.pdfIn PDF document text
  • http://lamekatus.ee/uploads/ckeditor/files/99526535387.pdfIn PDF document text
  • http://paolacaone.eu/userfiles/files/46986450513.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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