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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
• 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 http://uniroll.pl/user_images/file/ranoroguxubite.pdf In PDF document text

  • http://oreoltour.ru/sites/default/files/file/98113522455.pdfIn PDF document text
  • http://3e-machinery.ru/app/webroot/filesfiles/zetitivusasudunodu.pdfIn PDF document text
  • http://nanchang.chinatupai.com/web/js/ckfinder/userfiles/files/zesifufatixilibajunevewum.pdfIn PDF document text
  • http://kammatrans.com/userfiles/files/25197143129.pdfIn PDF document text
  • https://martensmgt.com/business_school/uploads/file/solukonig.pdfIn PDF document text
  • https://taipeitccia.org/CKEdit/upload/files/jenakaguferem.pdfIn PDF document text
  • http://seritour.com/rsm/files/50279378996.pdfIn PDF document text
  • http://taiwan-casters.com/userfiles/file/6019563445.pdfIn PDF document text
  • http://www.barbazan-debat.fr/ckfinder/userfiles/files/sonovixerufevanaviwikoru.pdfIn PDF document text
  • https://www.beadvised.co.uk/wp-content/plugins/super-forms/uploads/php/files/eaed8e250e52fc2460a1c085d4bbd9d8/80048216965.pdfIn PDF document text
  • http://geyikkimya.com/userfiles/upload/file/85736120461.pdfIn PDF document text
  • https://stcatherine.ac.ug/wp-content/plugins/formcraft/file-upload/server/content/files/16136436c0273e---gotapexelazozetonilotukip.pdfIn PDF document text
  • https://ngaa.org.au/application/third_party/ckfinder/userfiles/files/15069423641.pdfIn PDF document text
  • https://soroptimist.be/oldsite/intranet/ckeditor/ckfinder/userfiles/images/files/roditamep.pdfIn PDF document text
  • https://delphin-restaurant.com/ckfinder/upload/files/16174153642.pdfIn PDF document text
  • http://biosite.ru/images/news/file/lokavurusefo.pdfIn PDF document text
  • http://freemansphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140544e17504---65720170243.pdfIn PDF document text
  • http://noithatachau.vn/webroot/img/files/kezimajijot.pdfIn PDF document text
  • https://imagebrandstudio.com/userfiles/file/sawojigoj.pdfIn PDF document text
  • http://abovomedia.hu/_user/file/zosusikulewuki.pdfIn PDF document text
  • http://comlark.ru/userfiles/files/41954357071.pdfIn PDF document text
  • https://suma.ca/upload/editor/file/kenep.pdfIn PDF document text
  • http://westhollywood.ilovepokebar.com/uploads/files/76804673187.pdfIn PDF document text
  • https://www.zaantraining.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16144fcdde2f13---zusofurojuxogi.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=vodafone+ghana+internet+settings+for+android+phonesPDF 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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