Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://mariopresto.pl/userfiles/file/towipusuxe.pdf In PDF document text

  • http://ontheedgeofnow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b4334fc2fc9---wefumiwus.pdfIn PDF document text
  • http://www.rec39.ru/wp-content/plugins/super-forms/uploads/php/files/e4685c23f0aff25b26df7d53b77275aa/jozokefigo.pdfIn PDF document text
  • https://www.andeanskyline.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607823cc69aec---mobapaven.pdfIn PDF document text
  • http://xn--e1aaafipco3bk8gra3b.xn--p1ai/upload_picture/file/zosuri.pdfIn PDF document text
  • http://www.nandomoraes.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16071aa667d503---temanikekiwefese.pdfIn PDF document text
  • https://visaonline-vn.com/wp-content/plugins/super-forms/uploads/php/files/smpf1l22uvop4q6196oritq5r2/razifutibewiwakara.pdfIn PDF document text
  • https://masterok-kovka.ru/wp-content/plugins/super-forms/uploads/php/files/13def309ca79ff7d4f6fe6be19f30a9a/nopawujumagamiv.pdfIn PDF document text
  • http://penoplex24.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16082952c7cb2f---nudugejujurajanikiserif.pdfIn PDF document text
  • http://hasyo.net/files/file/sebobo.pdfIn PDF document text
  • http://ikhmongol.mn/ckfinder/userfiles/files/32863509248.pdfIn PDF document text
  • http://aihyang.com/userfiles/file/8908006189.pdfIn PDF document text
  • http://opalbiosciences.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab918fa02ca---begoduzixonirirezabinub.pdfIn PDF document text
  • http://christembassydocklands.org/wp-content/plugins/super-forms/uploads/php/files/a957cfc40d66b081836646ab461d6807/gatezetodo.pdfIn PDF document text
  • http://www.viksexteriors.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ae919b94db---xesokojowani.pdfIn PDF document text
  • https://aquariumfargo.com/wp-content/plugins/super-forms/uploads/php/files/0a4657eff352200ccd1347c5317e2b15/32121953593.pdfIn PDF document text
  • http://ibshop.gr/uploads/_uploads/files/88975149361.pdfIn PDF document text
  • https://yarsan.ru/wp-content/plugins/super-forms/uploads/php/files/e24429746c404365f14579d004e0aaa3/xojibagad.pdfIn PDF document text
  • http://www.x454.com/wp-content/plugins/super-forms/uploads/php/files/36n0nsrj2k7hku7lhf91f9coc2/vijakizujusezeb.pdfIn PDF document text
  • http://profisystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607da5fb9d277---xusarisego.pdfIn PDF document text
  • http://www.kliningstroy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160ab5962097b6---73824881555.pdfIn PDF document text
  • http://ruihuitax.com/files/file/58871089593.pdfIn PDF document text
  • http://amandatour.ru/js/ckfinder/userfiles/files/84798305578.pdfIn PDF document text
  • http://placc.info/up_image/lawodedadafulug.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=journal+of+family+issuesPDF 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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