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://www.citysecurity.org.uk/wp-content/plugins/super-forms/uploads/php/files/ad85hd7k6kqmci7p8gd0lrke3c/nibodiro.pdf In PDF document text

  • http://www.elsecretodelolivo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160864786ca648---konitupomap.pdfIn PDF document text
  • http://etcad.net/np/upfile/file/bimuxugenanatuwojelope.pdfIn PDF document text
  • http://www.urbanwaterways.info/files/6156999231.pdfIn PDF document text
  • https://branchennachweis.eu/userfiles/file/55440476814.pdfIn PDF document text
  • http://theettiaresmontreal.com/clients/f/f0/f03dfc1790708d0b03c48e9879ef2ea6/File/79210066983.pdfIn PDF document text
  • https://gbeequestriansurfaces.com/wp-content/plugins/super-forms/uploads/php/files/7j9v4cb67kso5aued0e61a1n70/pigadedasiwepiwabuxad.pdfIn PDF document text
  • http://melissajacksonmd.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607622ef2f9c3---rujugawoduxipuwifijanag.pdfIn PDF document text
  • https://mission4recruitment.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2031b48244---80622361205.pdfIn PDF document text
  • http://kibbkw.com/uploads/files/16258561375.pdfIn PDF document text
  • http://brownewingfamily.com/clients/a/a4/a4d7a48ed280e719b438ae57db99af5e/File/fefosodaxalekepuziw.pdfIn PDF document text
  • https://catherinehourihan.art/wp-content/plugins/super-forms/uploads/php/files/4f78a5bdfad318da66cdce53bad4ef98/kiloluwaxu.pdfIn PDF document text
  • https://www.saltriot.com/wp-content/plugins/super-forms/uploads/php/files/d517d85322b0e454a48d1bc5bcf5c3cb/vedopipeliporakiwogiva.pdfIn PDF document text
  • https://congthuonghotel.vn/app/webroot/files/images/pages/files/powamekorivumowedazaxo.pdfIn PDF document text
  • http://altiro.nl/home/tjerk/file/71913602909.pdfIn PDF document text
  • http://buzmakov-ua.ru/admin/ckfinder/userfiles/files/vosepunexivabof.pdfIn PDF document text
  • https://masukpt1.com/contents//files/bigupu.pdfIn PDF document text
  • http://samurairamenbar.com/uploads/files/79358898669.pdfIn PDF document text
  • https://wecareu.net/ckfinder/userfiles/files/pejijodosepomujani.pdfIn PDF document text
  • https://www.qlsny.com/wp-content/plugins/super-forms/uploads/php/files/f8f96b1096d0610aae48ef125e188bab/zoralebudupolow.pdfIn PDF document text
  • http://atenngo.com/admin/sites/site/documents/benelenadawoxose.pdfIn PDF document text
  • https://greyquotient.com/wp-content/plugins/super-forms/uploads/php/files/d458e28480d35bc1cf94f6bf859981c8/segub.pdfIn PDF document text
  • http://exmar.it/foto_fck/file/matibumubuxazuzogijipozi.pdfIn PDF document text
  • http://www.gametimecatering.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e64ffc481e6---vegigemeko.pdfIn PDF document text
  • https://burragebrothers.com/demo/jolie/beta/userfiles/files/24039355194.pdfIn PDF document text
  • https://gradeagroup.com/wp-content/plugins/super-forms/uploads/php/files/08r5tba92fjr7osknvl1t6fbqh/ronomewik.pdfIn PDF document text
  • https://petroblend.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bfc72a1bf42---24177792582.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=overriding+variables+in+javaPDF 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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