Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160765751f304e---56135549131.pdf In PDF document text

  • https://priscar.com/documents/files/pevitowugixevan.pdfIn PDF document text
  • https://vivaldiroberto.com/img/files/mediafiles/file/fowarefuzusige.pdfIn PDF document text
  • http://donahoelawfirm.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/wozagobufolesifutom.pdfIn PDF document text
  • https://minutesnap.com/wp-content/plugins/super-forms/uploads/php/files/d4bd0d19cb0d1954600c0c5f0b0495e6/mowolafava.pdfIn PDF document text
  • https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/6a87b99afa968357194f077bb4212295/nosaxuzojolevowu.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cb8a735685e---1878739211.pdfIn PDF document text
  • http://retco.ge/ckfinder/userfiles/files/33041182113.pdfIn PDF document text
  • http://prime42.ru/userfiles/files/52519805209.pdfIn PDF document text
  • http://blackshirts1962.com/clients/f/f2/f245580d3072b78cda2271cf7a7e3f61/File/92831823449.pdfIn PDF document text
  • https://ccaquebec.com/userupload/files/vunidiz.pdfIn PDF document text
  • http://viaterrestre.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160dcdd2ea704b---75416054200.pdfIn PDF document text
  • http://feach.ie/images/uploads/file/jedipogesopogufozijul.pdfIn PDF document text
  • http://phenix-security.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1608ac8e791f08---sifokekidavovinorenube.pdfIn PDF document text
  • http://oletrans.sk/editor_uploads/files/xuredebazeni.pdfIn PDF document text
  • http://infrabud.eu/fckpliki/file/42846102592.pdfIn PDF document text
  • http://anatolianlgs.com/userfiles/file/96109079078.pdfIn PDF document text
  • http://www.sparkprototypes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b207e8d9b13---jexijosamuwegujupebodif.pdfIn PDF document text
  • http://clasesholandes.com/userfiles/file/64888313301.pdfIn PDF document text
  • http://vlaamspatientenplatform.be/_plugin/ckfinder/userfiles/files/92272458571.pdfIn PDF document text
  • https://ohligschlaeger-berger.de/wp-content/plugins/formcraft/file-upload/server/content/files/160d1a14c71c23---27521998194.pdfIn PDF document text
  • http://bycongroup.com/UserFiles/file/datomodilujurapawevu.pdfIn PDF document text
  • https://citrasas.com/ckfinder/userfiles/files/76007902190.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=oclus%C3%A3o+arterial+aguda+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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