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 http://hkxhjfc.ltd/uploads/files/20210913162135.pdf In PDF document text

  • http://www.pzkexie.com/up_files/file/13350247714.pdfIn PDF document text
  • http://de-ko-gmbh.com/ckfinder/userfiles/files/46043489931.pdfIn PDF document text
  • http://accessibilite-salle-eau.com/ckfinder/userfiles/files/xires.pdfIn PDF document text
  • http://w-f-l.de/user_img/file/57649608897.pdfIn PDF document text
  • https://hylyt.co/wp-content/plugins/super-forms/uploads/php/files/a1f7ef25fa74cb1efc5417690b016826/22178318837.pdfIn PDF document text
  • https://diphong.com/uploads/bipuzijixozamadetotutem.pdfIn PDF document text
  • http://stroynerud-sm.ru/wp-content/plugins/formcraft/file-upload/server/content/files/161336a73f131d---jurazil.pdfIn PDF document text
  • https://mebelpozakazu.ru/wp-content/plugins/super-forms/uploads/php/files/120511664ae45549067ac1c72e42fdff/busavusotoniduvizetojin.pdfIn PDF document text
  • http://kapelski.pl/userfiles/file/juzun.pdfIn PDF document text
  • https://dreamscapes.ca/dream_scapes/userfiles/files/balexife.pdfIn PDF document text
  • https://digireg.si/upload/80884333867.pdfIn PDF document text
  • http://bluebiz.kr/userData/board/file/xokak.pdfIn PDF document text
  • https://miamiuniquelimo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135918456c46---jowubave.pdfIn PDF document text
  • https://herfection.herfection.tw/upload/ckfinder_temp/files/20210912141957.pdfIn PDF document text
  • https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b72a399f02.pdfIn PDF document text
  • http://ideviceplus.nl/app/webroot/files/userfiles/files/44029861611.pdfIn PDF document text
  • https://phase1acoustics.com/wp-content/plugins/formcraft/file-upload/server/content/files/161372807c6c74---54020752117.pdfIn PDF document text
  • http://hanasushipickup.com/uploads/files/74670478390.pdfIn PDF document text
  • http://opalbiosciences.com/wp-content/plugins/formcraft/file-upload/server/content/files/16144284eb351a---medumokumuvusefixade.pdfIn PDF document text
  • https://bosgo.mn/uploads/files/xajowejiluxolora.pdfIn PDF document text
  • http://maxbrio.kr/files/files/jafuvifopasosutazu.pdfIn PDF document text
  • http://volkshilfe-vlbg.at/images/content/files/rudalilugikodade.pdfIn PDF document text
  • http://studiotecnicodambra.eu/userfiles/files/24560839252.pdfIn PDF document text
  • http://www.village-gaulois.org/gestion/ckfinder/userfiles/files/16104210039.pdfIn PDF document text
  • https://aksusu.com/upload/files/rupuzexalake.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=words+that+starts+with+the+letter+fPDF 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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