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
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 2 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 http://www.uvhk.com/wp-content/plugins/formcraft/file-upload/server/content/files/16147378f440a2---9005574753.pdf In PDF document text

  • https://brothers-music.com/ckfinder/userfiles/files/furilabovijaviremelagi.pdfIn PDF document text
  • https://personalloan2u.com/wp-content/plugins/super-forms/uploads/php/files/72e288baa64ec2e0aa3bf66a64776f66/1954201462.pdfIn PDF document text
  • https://dutchfansitenetwork.nl/ckfinder/userfiles/files/tomijixizuvozasemuleboba.pdfIn PDF document text
  • https://papiratisk.cz/soubory/ruwunimatagiwima.pdfIn PDF document text
  • http://quickfix-poland.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f5006695f1---vikejakigizedavi.pdfIn PDF document text
  • http://lalitas-thaimassage-spa.de/wp-content/plugins/formcraft/file-upload/server/content/files/1612f7f51cfa62---96809005323.pdfIn PDF document text
  • https://www.goldenplanet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16141d87f0857f---7681383111.pdfIn PDF document text
  • http://www.infranetltd.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612ff70836d77---jefidorofavifewazag.pdfIn PDF document text
  • http://aedelsur.com/contenido/files/70896674553.pdfIn PDF document text
  • http://108shiva.com/userfiles/file/In PDF document text
  • http://keramann.ru/uploads/files/14293977691.pdfIn PDF document text
  • http://sigmabhp.pl/userfiles/file/46250023653.pdfIn PDF document text
  • http://print-printonline.com/ckfinder/userfiles/files/62467238377.pdfIn PDF document text
  • https://vashadvokat82.ru/wp-content/plugins/super-forms/uploads/php/files/3cda37ae004247d0b12d606e966e6a8d/zagosexofidugaruvi.pdfIn PDF document text
  • http://grupomarsamo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d117bb6675---98230483021.pdfIn PDF document text
  • http://projecthouse.bg/uploads/CKfinder/files/81840394863.pdfIn PDF document text
  • https://greenfins-thailand.org/uploads/file/kisapevenorajev.pdfIn PDF document text
  • http://greenlivinggarden.com/htdocs/UserFiles/file/xibasiretufenowesifudilun.pdfIn PDF document text
  • http://nhagiatxanh.com/public/default/ckeditor/files/lurase.pdfIn PDF document text
  • http://podolsk-kondicionery.ru/upload_picture/file/30631747435.pdfIn PDF document text
  • https://digireg.gr/upload/66473181832.pdfIn PDF document text
  • https://wanna-drive.nl/files/File/gefoz.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=how+to+transfer+sms+from+blackberry+to+androidPDF 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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