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
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 69 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.
• 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://inwebjor.ru/uplcv?utm_term=discordance+medical+meaning PDF link annotation

  • http://dsagco.com/Upload/file/56339413371.pdfIn PDF document text
  • http://sistarelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/molukofe.pdfIn PDF document text
  • https://flims.atelierleuthold.ch/userfiles/files/94561675705.pdfIn PDF document text
  • https://trisyscom.com/userfiles/file/8833356944.pdfIn PDF document text
  • http://dija.lv/public/userfiles/file/gudasavatisatetafifived.pdfIn PDF document text
  • https://maritime-models.com/userfiles/file/gasasawemodedugevut.pdfIn PDF document text
  • http://ikra-ekb.ru/files/fckeditor/file/36376571876.pdfIn PDF document text
  • https://warsztatgdynia.pl/app/webroot/media/files/wepulesi.pdfIn PDF document text
  • http://greensquares.in/userfiles/file///vefazuwidubobago.pdfIn PDF document text
  • http://www.fotografoeventimilano.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140e32a0cb0d---ruzetuzafa.pdfIn PDF document text
  • https://maytinhdalat.vn/images/uploads/files/wetawozimivuxefagoxero.pdfIn PDF document text
  • https://selectwifi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137b8027b59d---10875959351.pdfIn PDF document text
  • http://www.garriagricola.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f696697e7d---34981090615.pdfIn PDF document text
  • http://pebyte.com/wp-content/plugins/super-forms/uploads/php/files/lhmd4152oojao9ehorrn2c233l/58636900147.pdfIn PDF document text
  • http://wahluenfty.com/userfiles/xevofutiworalivizunut.pdfIn PDF document text
  • http://www.saraviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612fa7315b061---3418970448.pdfIn PDF document text
  • http://medicamarsala.it/userfiles/files/mesuta.pdfIn PDF document text
  • http://heilpraxis-pankow.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613c99b20be49---jajovexowamapetezi.pdfIn PDF document text
  • http://dunakeszi.varosom.hu/userfiles/files/gafote.pdfIn PDF document text
  • http://kyea.org/imageuploads/35595574903.pdfIn PDF document text
  • http://status.cz/UserFiles/File/nosixoki.pdfIn PDF document text
  • http://www.goataxiservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135275e29ccd---45587082264.pdfIn PDF document text
  • https://laneopx.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614eeffb84de4---9913634042.pdfIn PDF document text
  • https://cutletsmeat.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612fd9d2b34a6---risopodovumufevujada.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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