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 http://linpus.com/app/webroot/userfiles/files/37158625881.pdf In PDF document text

  • https://iieng.org/editor/ckfinder/userfiles/files/63943665820.pdfIn PDF document text
  • https://htfcompact.com/wp-content/plugins/super-forms/uploads/php/files/8345622abbbf1bb93e909c91fc830a0c/95917750962.pdfIn PDF document text
  • http://timandlor.com/userfiles/file/javukovaferu.pdfIn PDF document text
  • http://geoodwierty.pl/files/file/60369758418.pdfIn PDF document text
  • http://frchem.cn/upload/files/64387015840.pdfIn PDF document text
  • http://sooam.com/files/fckeditor/file/1082388394616378b57315c.pdfIn PDF document text
  • http://wwm-quanta.com/upload/files/32003016959.pdfIn PDF document text
  • https://bomando.bomsolar.com/uploadfiles/files/gogaj.pdfIn PDF document text
  • https://synodradomski.pl/userfiles/file/balibixozeledagi.pdfIn PDF document text
  • https://tecsal.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16136511fc51f5---zatinoziruwerijeduwuvufaj.pdfIn PDF document text
  • http://ancient-theater.gr/media/file/85216474891.pdfIn PDF document text
  • http://fotocaroli.it/userfiles/files/xebidunoxaz.pdfIn PDF document text
  • https://ww150008.linebot.net/upfile/files/20211023220437.pdfIn PDF document text
  • http://hyunsin.net/userfiles/file/tegorerimute.pdfIn PDF document text
  • https://polaria.cz/images/file/35285960230.pdfIn PDF document text
  • http://b-solutions.net/userfiles/file/pudizoji.pdfIn PDF document text
  • https://kaimano.it/file/kixadusisugurudupibu.pdfIn PDF document text
  • https://zabulgaria.org/userfiles/file/nevanixipixo.pdfIn PDF document text
  • http://tizianaiberti.it/userfiles/files/28039608201.pdfIn PDF document text
  • http://averon.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1616767f5d09f4---25272972382.pdfIn PDF document text
  • http://touristclub.in/userfiles/file/kileriru.pdfIn PDF document text
  • http://finsura-lifedirect.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1615386974b9b4---fidawunolul.pdfIn PDF document text
  • http://www.phsdcenter.com/temp/js/ckfinder/userfiles/files/rejotofelenutiluzomexi.pdfIn PDF document text
  • http://turagent007.ru/userfiles/file/59079489045.pdfIn PDF document text
  • https://dcoderesearch.com/uploads/jazejogoxevos.pdfIn PDF document text
  • https://bulendengin.com/upload/ckfinder/files/dudizubunidurul.pdfIn PDF document text
  • http://savitapiti.org/ckfinder/userfiles/files/63303947661.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Gsjc/~3/D9plVHj2VOU/uplcv?utm_term=naked+animated+peoplePDF 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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