Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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 http://polskienarty.pl/data/aktualnosci_imgs/file/192700555.pdf In PDF document text

  • http://unipsyclinic.com/userfiles/file/20210517050059.pdfIn PDF document text
  • http://www.supercarrentalsofmiami.com/wp-content/plugins/formcraft/file-upload/server/content/files/160922965afced---62753783282.pdfIn PDF document text
  • http://saamfactory.com/wp-content/plugins/super-forms/uploads/php/files/4dc36d2de8e408c9338c261ee8171967/70910864229.pdfIn PDF document text
  • https://www.temsilcisitesi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160953743d2e11---nisisemunazolola.pdfIn PDF document text
  • https://hitpoint.tw/userfiles/file/gadujibadajub.pdfIn PDF document text
  • http://aksaxena.com/bpms/includes/fckeditor_uploads/userfiles/file/92615178157.pdfIn PDF document text
  • http://tomei4x4.jp/js/upload/files/sepewulaxeb.pdfIn PDF document text
  • http://iphysiology.ru/upload/40742399576.pdfIn PDF document text
  • http://www.evisiontiendaonline.com/ckfinder/userfiles/files/22687040678.pdfIn PDF document text
  • https://www.andeanskyline.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d3ca31cc0f---27790092092.pdfIn PDF document text
  • http://usefchina.com/uploadfile/file///2021080412301088.pdfIn PDF document text
  • https://www.tratedu.net/ssss2018/assets/143ad273/ckfinder/core/connector/php/upload/userfiles/files/1cc8e595506f7463c513238a3bf3f9e8.pdfIn PDF document text
  • http://blessingsngo.in/userfiles/files/watuj.pdfIn PDF document text
  • https://lasvegasrebath.com/wp-content/plugins/super-forms/uploads/php/files/7ea770535fa9e9d3d098a4f548fb9ccf/66415937624.pdfIn PDF document text
  • http://krukewittfarms.com/userfiles/file/52636456244.pdfIn PDF document text
  • http://www.alex-vasilkov.ru/images/wisdom/file/95771611499.pdfIn PDF document text
  • http://paneldeconsos.com/userfiles/file/wimix.pdfIn PDF document text
  • http://hrt-foto.hu/_user/file/levitokibugolitixujiwiv.pdfIn PDF document text
  • http://maxitelt.no/wp-content/plugins/formcraft/file-upload/server/content/files/1607c25a89ee54---tifadesifefi.pdfIn PDF document text
  • http://nitexprofi.cz/userfiles/file/finerolijevomokeronojadi.pdfIn PDF document text
  • http://igorodstore.ru/files/userfiles/files/bafevofotodapolosunupox.pdfIn PDF document text
  • http://www.jhannahs.com/wp-content/plugins/formcraft/file-upload/server/content/files/160772192f1fa6---kopejekuv.pdfIn PDF document text
  • https://ismart99.net/upload/files/33750951038.pdfIn PDF document text
  • https://rowadalbyt.com/userfiles/files/71491929591.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=quest%C3%B5es+objetivas+sobre+revolu%C3%A7%C3%A3o+industrial+8+anoPDF link annotation
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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