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
• 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://oniceh.ru/uplcv?utm_term=how+to+make+resume+for+job+pdf PDF link annotation

  • http://phenix-security.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160775d85e32f3---31332846161.pdfIn PDF document text
  • http://jullien38.com/ressource/site-image/files/89138760630.pdfIn PDF document text
  • https://rlvanstory.com/wp-content/plugins/super-forms/uploads/php/files/9c80050cb642837189161b14a1d2e538/36702157696.pdfIn PDF document text
  • https://actor-conseil.com/files/file/47175089360.pdfIn PDF document text
  • http://www.leads-bd.org/app/webroot/js/ckfinder/userfiles/files/ninozetobamukopitepexukas.pdfIn PDF document text
  • https://szemvidito.hu/sfwkr/feltoltesek/Images/Image/momasaniwaxugozojefo.pdfIn PDF document text
  • http://lawrence-spruill.com/clients/42275/File/takanotuzab.pdfIn PDF document text
  • http://bienbao.net/uploads/files/36495736689.pdfIn PDF document text
  • https://www.mercedesbenzofaustinservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a064b8dc4d3---11877159400.pdfIn PDF document text
  • http://clubselectionvoyages.com/images/file/xabipu.pdfIn PDF document text
  • http://pampa.be/uploads/userfiles/files/suvigefiw.pdfIn PDF document text
  • http://titusauto.hu/kepek/file/badegemuwebifadorexod.pdfIn PDF document text
  • http://www.bridalchapel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082eedd9feaf---nutinunareriwixiz.pdfIn PDF document text
  • https://www.projectorrentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c9e05354a8---ganazenez.pdfIn PDF document text
  • http://vogiantinhmach.com/media/ftp/file/lidonirudojapeliwazadire.pdfIn PDF document text
  • https://home18.ru/wp-content/plugins/super-forms/uploads/php/files/a2473db5995754fe7d725fca8be4caa5/dixarebikuzexipivobixeki.pdfIn PDF document text
  • https://chachachat.info/js/ckfinder/userfiles/files/10131834112.pdfIn PDF document text
  • https://gbeequestriansurfaces.com/wp-content/plugins/super-forms/uploads/php/files/e1vv18rkfaqrkbfb8q6ns0opt5/31547860809.pdfIn PDF document text
  • http://worksafeorg.com/wp-content/plugins/super-forms/uploads/php/files/f0p2assh4tfjvd1pfc4dnfufg6/tapelorigibamolirebebaki.pdfIn PDF document text
  • https://majorsagilekvaros.hu/uploads/file/20144531837.pdfIn PDF document text
  • https://gs-hemeringen.de/ablage/userfiles/files/wisukatiz.pdfIn PDF document text
  • https://ewms.vn/wp-content/plugins/super-forms/uploads/php/files/voc343vsrbr1rodf2m9un3mttf/milojubuweluzup.pdfIn PDF document text
  • https://felix-schulze.biz/wp-content/plugins/super-forms/uploads/php/files/j1cfdhg73lj5jfmpm44hibdmsb/41271469255.pdfIn PDF document text
  • 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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