Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://crewmak.ru/uplcv?utm_term=what+do+you+learn PDF link annotation

  • http://www.eflox.net/wp-content/plugins/formcraft/file-upload/server/content/files/1612565f8d805e---pimenatulijasebe.pdfIn PDF document text
  • http://ashole.hu/UserFiles/File/duwubexuzidodaforulaj.pdfIn PDF document text
  • https://riolospettacoli.it/filesUploads/file/dinamev.pdfIn PDF document text
  • https://laihouston.com/wp-content/plugins/super-forms/uploads/php/files/caee85eaba1d837a188b9a0b80573cfd/83934958103.pdfIn PDF document text
  • http://gsoam.ge/wp-content/plugins/formcraft/file-upload/server/content/files/160c00890d8012---xutadepukibipiruzufado.pdfIn PDF document text
  • https://777mto.info/contents//files/50852752369.pdfIn PDF document text
  • http://pansophers.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074fcdcee6ad---butogek.pdfIn PDF document text
  • http://pvsystreports.com/wp-content/plugins/super-forms/uploads/php/files/a67qh7g2fu355k3o2ja9mtsjv7/mapal.pdfIn PDF document text
  • https://rrvchefs.com/wp-content/plugins/super-forms/uploads/php/files/6bdad733c90866e7e9daec21f60385bd/72348037310.pdfIn PDF document text
  • https://intrigantka.ru/images/userfiles/file/fatijagonokimaputikege.pdfIn PDF document text
  • http://forter.vn/hinhanh/file/pusofupokoxeweneneluzolog.pdfIn PDF document text
  • http://faurerom.com/userfiles/file/sujexakebedapa.pdfIn PDF document text
  • https://manajrgvaaradhi.com/cms-uploads/files/malasutaxawobozilo.pdfIn PDF document text
  • http://zzweien.com/d/files/25805800294.pdfIn PDF document text
  • https://mosoptagro.ru/wp-content/plugins/super-forms/uploads/php/files/994849ea9be02149c8bc268c663e0ff6/85480052232.pdfIn PDF document text
  • http://densayhongngoai.com/uploads/userfiles/file/15854713930.pdfIn PDF document text
  • https://antoinepanau.com/wp-content/plugins/super-forms/uploads/php/files/f5ca7a9df48ff7d6c750b3fe2a0cfd28/97536584333.pdfIn PDF document text
  • https://mountainbrookbuilders.com/home/mountain/public_html/ckfinder/userfiles/files/63515556301.pdfIn PDF document text
  • http://www.jfac.kr/ckfinder/userfiles/files/70314456261.pdfIn PDF document text
  • http://nutronicltd.com/userfiles/file/12957679761.pdfIn PDF document text
  • http://malagi.pl/user-files/fck/file/tomiwogozizesululikofiw.pdfIn PDF document text
  • https://wacee.net/wp-content/plugins/formcraft/file-upload/server/content/files/160c3d90c459d9---saketutiwilugufogagezad.pdfIn PDF document text
  • http://ttc-investco.com/img/files/36979253439.pdfIn PDF document text
  • http://scenekunstskolen-efteruddannelsen.dk/ckfinder/userfiles/files/gujekemadepezoxokizetewo.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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