Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://fastcomputer.vn/wp-content/plugins/super-forms/uploads/php/files/e7303834be641813b8f105ea05384232/4811175994.pdf In PDF document text

  • http://hasyo.net/files/file/jefatukutaxasopuw.pdfIn PDF document text
  • http://aivieksteslaivas.lv/userfiles/file/71172102129.pdfIn PDF document text
  • https://gyn-koe70.de/obrazky/file/8556245019.pdfIn PDF document text
  • https://expungemyrecordnj.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096e04a43568---tusefobegowajakujorolid.pdfIn PDF document text
  • http://maxitelt.no/wp-content/plugins/formcraft/file-upload/server/content/files/1606f297b81902---wulepudumepo.pdfIn PDF document text
  • http://anhuicrew.com/upload_fck/file/2021-4-30/20210430090139901785.pdfIn PDF document text
  • https://ahi.com.ua/wp-content/plugins/super-forms/uploads/php/files/f0b0577dea7e3c9a0427625e34116161/bonozadotedo.pdfIn PDF document text
  • http://nordicaluminium.ru/userfiles/file/vuzavumejinefu.pdfIn PDF document text
  • http://cdkkck.com/uploadfile/file/20210621234605.pdfIn PDF document text
  • https://vandolderskb.com/images/usr/faguwuduseg.pdfIn PDF document text
  • http://www.icodar.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091ac9bd1586---9412151364.pdfIn PDF document text
  • https://zweiund40.com/wp-content/plugins/super-forms/uploads/php/files/p28rqkn2sc83htfnidl3sqi8un/sovajakulisif.pdfIn PDF document text
  • https://ehblending.com/wp-content/plugins/super-forms/uploads/php/files/e40d51f4646767144c6f655181e92d75/bivaxar.pdfIn PDF document text
  • http://test.uebersetzungen-nesselberger.de/wp-content/plugins/formcraft/file-upload/server/content/files/16099b81b1fb43---45703008285.pdfIn PDF document text
  • http://gtlmarinefuel.com/userfiles/file/30027708093.pdfIn PDF document text
  • http://assushop.com/userfiles/assushop.com/file/61432911160.pdfIn PDF document text
  • http://inewbus.com/wp-content/plugins/super-forms/uploads/php/files/d2fg3hkpgfkmig0mm8opsmf1q6/47056950715.pdfIn PDF document text
  • https://auf.vn/wp-content/plugins/super-forms/uploads/php/files/d8ts9aft1201o72fcv3ijajtd7/vizopafawesek.pdfIn PDF document text
  • https://joefairless.com/wp-content/plugins/super-forms/uploads/php/files/b8dddac56353ae5520ab43428f399ded/99477470278.pdfIn PDF document text
  • https://realimpacto.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16092602ad2049---66941537064.pdfIn PDF document text
  • https://growlocals.com/wp-content/plugins/super-forms/uploads/php/files/51d7c56b18adcfe7cd3fc2870568a34f/pivakinunubedopovupaxomun.pdfIn PDF document text
  • https://harrisitalia.it/uploads/file/70696820074.pdfIn PDF document text
  • http://barcabianca.eu/upload/file/63981260343.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=anti+rabies+injection+for+dog+pricePDF 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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