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
• 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://drbumbnursinghome.in/ckfinder/userfiles/files/tonesupolof.pdf In PDF document text

  • https://network-italia.com/file/63285535436.pdfIn PDF document text
  • https://www.infrascale.com/wp-content/plugins/super-forms/uploads/php/files/bad668007c0491aa0ddb25f482253220/46377475349.pdfIn PDF document text
  • http://belgium-ex.com/images/blog//file/rilisoxozonopaxuruba.pdfIn PDF document text
  • http://myshiou.com/uploads/files/202108172111457007.pdfIn PDF document text
  • http://fortlauderdalelimorental.net/wp-content/plugins/formcraft/file-upload/server/content/files/16070605e4236e---kumubobezexipub.pdfIn PDF document text
  • https://arhometutor.com/userfiles/file/21501326152.pdfIn PDF document text
  • http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/f8t674r20ksunatut7jlprji11/nugunofoxugatezumidipak.pdfIn PDF document text
  • https://www.gml.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b64c877d8ac---69662734298.pdfIn PDF document text
  • https://defaico.com/d/files/vubigupa.pdfIn PDF document text
  • http://polymer-optix.de/userfiles/file/21960065720.pdfIn PDF document text
  • http://clinicaveterinariamontecchia.com/userfiles/files/88734319719.pdfIn PDF document text
  • https://quickonboarding.com/wp-content/plugins/super-forms/uploads/php/files/172d13c5c09de4ddcaa315fe1651f7f9/pitosusumopima.pdfIn PDF document text
  • http://af.ssla.ru/images/fornews/files/kavuvanituxajez.pdfIn PDF document text
  • https://xn--64-mlcufjjaii0l.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/206c3ffa12bf9b61775278bdfb8e9df6/33787037877.pdfIn PDF document text
  • http://polaryachts.com/res/wysiwyg/file/xiguma.pdfIn PDF document text
  • https://creteotels.gr/FCKeditor/userimages/file/regegixiledunomud.pdfIn PDF document text
  • http://parentini.it/userfiles/files/78880333995.pdfIn PDF document text
  • https://www.makathastaliklari.net/wp-content/plugins/formcraft/file-upload/server/content/files/1606f9b2c8ca6b---gigamesalimolopegosiwix.pdfIn PDF document text
  • http://www.mananthavadynorbertines.org/www/js/ckfinder/userfiles/files/wawezepuzagu.pdfIn PDF document text
  • http://learnazia.com/fck/imagesfile/96507368218.pdfIn PDF document text
  • http://www.adanakursmerkezi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a755715810d---fikilevubuk.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=temperature+sensors+and+transducers+pdfPDF 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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