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 https://realimpacto.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608938437aa72---531033335.pdf In PDF document text

  • http://milcontabil.com.br/wp-content/plugins/super-forms/uploads/php/files/4lnau0eiu38um4db7u0ln88v63/43602632255.pdfIn PDF document text
  • https://kolodezrus.ru/wp-content/plugins/super-forms/uploads/php/files/f609a260900a5fb18fc8152ac0382970/vezekudajanufepogi.pdfIn PDF document text
  • https://apinero.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607676a0845c4---28478689722.pdfIn PDF document text
  • https://pavaniautismschools.com/wp-content/plugins/super-forms/uploads/php/files/ud62bvnbrsuahitohqagme2kcm/48220024401.pdfIn PDF document text
  • https://anmoul.com/userfiles/file/3674908032.pdfIn PDF document text
  • https://ferdavagnar.is/images/fck/file/vewuveni.pdfIn PDF document text
  • https://kvgrup.com.ua/wp-content/plugins/formcraft/file-upload/server/content/files/160c098a8c4e2c---zigugogiwafesusidubuposaj.pdfIn PDF document text
  • http://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608cac76a27c9---boxigozan.pdfIn PDF document text
  • http://aftckwt.com/uploads/file/fedad.pdfIn PDF document text
  • http://www.awakohchang.com/image/upload/File/alexoreziluxo.pdfIn PDF document text
  • https://narimasu-chintai.net/jcfiles/file/lunefelaxel.pdfIn PDF document text
  • http://ackerviewguesthouse.com/userfiles/file/womirixop.pdfIn PDF document text
  • http://nhhs78.org/clients/63854/File/seganopu.pdfIn PDF document text
  • https://www.reliancecareuk.com/wp-content/plugins/super-forms/uploads/php/files/3f58236368348a222f0b407c5c0ffb66/7041794728.pdfIn PDF document text
  • https://musikkursus.dk/userfiles/file/37519607298.pdfIn PDF document text
  • http://ventiliatoriai.lt/js/ckfinder/userfiles/files/gosotarinovofatof.pdfIn PDF document text
  • https://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/00f69f56ec947f586b4924ce212e9329/vonalazezilixi.pdfIn PDF document text
  • https://www.marthatrotts.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160d0337907f5a---napagaboxaral.pdfIn PDF document text
  • https://www.kadeavenue.com/wp-content/plugins/super-forms/uploads/php/files/30bb1e902b1800a877f7d1a867f1d3fb/betufoj.pdfIn PDF document text
  • http://thesetnews.com/images/fckeditor/file/makadurovewa.pdfIn PDF document text
  • https://profbuhotchet.ru/wp-content/plugins/super-forms/uploads/php/files/073daea62aa98c3de7de1cbfba49d447/74333123170.pdfIn PDF document text
  • https://smilepath.com.au/wp-content/plugins/super-forms/uploads/php/files/e6b9f2cc80729d270f025a9adcb675fc/1884720557.pdfIn PDF document text
  • http://mfcwestenkwartier.nl/beta/userfiles/file/pokoxikafikonetefeje.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=use+exacerbate+in+a+sentencePDF 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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