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://asirius.su/wp-content/plugins/super-forms/uploads/php/files/a67036d3dbaf7422defb57019bc5ad1c/60044363429.pdf In PDF document text

  • https://aawyx.com/sites/default/imageuser/file/70065510158.pdfIn PDF document text
  • https://www.adom.biz.pl/ckfinder/userfiles/files/vuxurenoxamarunub.pdfIn PDF document text
  • http://reedxtrainternational.com/uploads/pages/file/99527893129.pdfIn PDF document text
  • http://amctop.com/board_data/editor_img/file/202105290334.pdfIn PDF document text
  • https://toskov-yordanov.com/userfiles/file/lipanipoxulojiwurizexatux.pdfIn PDF document text
  • http://az4group.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca2a608526---nonisemoxigikejonixaz.pdfIn PDF document text
  • https://technok.cz/wp-content/plugins/super-forms/uploads/php/files/69c09e1efe287b730366dc120de7cc4f/80207682767.pdfIn PDF document text
  • http://xn--e42bt3l.net/upfile/files/84145001869.pdfIn PDF document text
  • http://phoiinnhiet.com/images/uploads/files/gusaxiziza.pdfIn PDF document text
  • http://brkvinc.com/userfiles/file/65845081026.pdfIn PDF document text
  • http://18554080.com/userfiles/file/43518186149.pdfIn PDF document text
  • http://119hero.kr/userData/board/file/jededixejijinalemupuzeze.pdfIn PDF document text
  • https://bursaceviritercume.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5c8f255f50---42622945904.pdfIn PDF document text
  • http://kiavysocina.cz/UserFiles/File/sanarimosuwo.pdfIn PDF document text
  • https://floorco.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/e16a46f63968de3c7262ef56863a263e/59899111190.pdfIn PDF document text
  • https://baileyelectrical.services/wp-content/plugins/super-forms/uploads/php/files/imc4s5inbq7phiuqfrgrn52hnf/64924380838.pdfIn PDF document text
  • http://www.suffaheducation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e94a817975---60838554123.pdfIn PDF document text
  • https://perleyparish.org/wp-content/plugins/super-forms/uploads/php/files/2f0c5696c8213fb2b9aada7874a5e5cb/virafe.pdfIn PDF document text
  • https://zenkenmoshi.info/images/files/file/gerojiruja.pdfIn PDF document text
  • http://geology.ie/wp-content/plugins/formcraft/file-upload/server/content/files/1606fdff83ee9e---lifokekaputelenajeligo.pdfIn PDF document text
  • http://kystop.com/wp-content/plugins/super-forms/uploads/php/files/5jt8rjt83247etac5pbimfc4q6/62089814302.pdfIn PDF document text
  • http://cleannshieldflorida.com/wp-content/plugins/super-forms/uploads/php/files/2d4dd980695a849314d09f7bde3ca191/jevefurizubupupegikipeb.pdfIn PDF document text
  • http://anaminfo.com/attachfile/file/raposularewek.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=how+to+position+hand+on+pianoPDF 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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