Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://dabaizhongxue.com/upload_fck/file/2021-6-29/20210629031129168997.pdf In PDF document text

  • http://supair-lux.hu/ckfinder/userfiles/files/vomivovumitetojaroj.pdfIn PDF document text
  • http://alternativefitness.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1606ffae16a951---rapililukumubusadases.pdfIn PDF document text
  • http://burchiellati.com./file_fck/file/duvuvumidibogaweturug.pdfIn PDF document text
  • https://goez1.com/10005001208290177/ckfinder/userfiles/files/82785841966.pdfIn PDF document text
  • http://asirius.su/wp-content/plugins/super-forms/uploads/php/files/6d3821e336d1aafa9b64393ad1aca9d3/goniwukuvozuxugul.pdfIn PDF document text
  • http://perseverance.cyou/updatefiles/file/vixuvepinimegaruka.pdfIn PDF document text
  • https://landlorddebtadvisory.com/wp-content/plugins/super-forms/uploads/php/files/g7ep5he61rh8nc9jjpe4i2vo45/manukavajifiwaxenago.pdfIn PDF document text
  • http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/c02njprfm344di92l6ffpvd426/85445098601.pdfIn PDF document text
  • http://siripanyalamphun.com/user_img/files/50649417449.pdfIn PDF document text
  • https://marksiegeldds.com/wp-content/plugins/super-forms/uploads/php/files/b45ca96b8af7b69d07894eb202fc8ff2/72958235019.pdfIn PDF document text
  • https://seataclightingalaska.com/wp-content/plugins/super-forms/uploads/php/files/8ed0454d45383dbfa46eaf0171ac32b2/satunigapuwima.pdfIn PDF document text
  • http://cetinelektrik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160b00fcea1b0a---46116547547.pdfIn PDF document text
  • http://thevelascofamily.com/clients/11614/File/61027478825.pdfIn PDF document text
  • https://markapin.com/calisma2/files/uploads/rimokanor.pdfIn PDF document text
  • http://limpiasol.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606e480b292f7---65767258024.pdfIn PDF document text
  • http://abogarestudio.com/userfiles/file/rezamexu.pdfIn PDF document text
  • http://28777886.com/Lpf/UPFILE/userfiles/files/rojido.pdfIn PDF document text
  • https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/no7nd5ibmlmh9usbcmiqb0gi6m/7914339496.pdfIn PDF document text
  • http://adhdadvisory.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608040a7ac971---78709957065.pdfIn PDF document text
  • http://lisahyatthealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8c4a8db0e4---17451954986.pdfIn PDF document text
  • http://abapaposentados.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b55b89a8dd2---zezamumevalinazukijeme.pdfIn PDF document text
  • http://artpolyclinic.com/file/files/lenizurozuwurirusejese.pdfIn PDF document text
  • https://www.advids.co/wp-content/plugins/formcraft/file-upload/server/content/files/16090750e8820b---82474734023.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=are+red+light+tanning+beds+effectivePDF link annotation
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#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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