Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 69 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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://chinasoftcore.com/userfiles/file///92229458456.pdf In PDF document text

  • http://tatooazh.ru/files/files/18044151187.pdfIn PDF document text
  • http://adice-area.com/pictures/files/69881174813.pdfIn PDF document text
  • http://diakmelo.hu/ckfinder/userfiles/files/wabukinelujinel.pdfIn PDF document text
  • https://sindonis.com/userfiles/file/96703477329.pdfIn PDF document text
  • https://trade.inter-ural.ru/ckfinder/userfiles/files/53984271046.pdfIn PDF document text
  • http://kingkady.cn/uploadfile/files/rowopijekatesevil.pdfIn PDF document text
  • http://www.kzhep.in.ua/wp-content/plugins/super-forms/uploads/php/files/stm1gb1el9g83tg0hvn69blo40/55519494608.pdfIn PDF document text
  • https://kantankacreative.com/wp-content/plugins/super-forms/uploads/php/files/4f88caac913204503fd0c26e07f01553/45702592230.pdfIn PDF document text
  • http://cioccolatogallucci.it/userfiles/file/21831547546.pdfIn PDF document text
  • https://ag-concept.ru/wp-content/plugins/super-forms/uploads/php/files/6e048d891203a4ca892105a6bafaeb10/kevisokutudisewije.pdfIn PDF document text
  • http://letnipohar.cz/upload/file/60143584908.pdfIn PDF document text
  • http://portalinmobiliario24.com/uploades/fckeditorfile/vijugidenivil.pdfIn PDF document text
  • http://relaxzenter.com/uploads/files/27540576578.pdfIn PDF document text
  • http://singlesync.com/userfiles/file/76745861797.pdfIn PDF document text
  • https://ajambary.com/userfiles/file/bamekuxudimetolax.pdfIn PDF document text
  • http://fabriquetextil.com/js/new/fckeditor/userfiles/file/17002053692.pdfIn PDF document text
  • http://amidoux-peintures.com/ckfinder/userfiles/files/2123634513.pdfIn PDF document text
  • https://deconkhoemanh.com/wp-content/plugins/super-forms/uploads/php/files/isqtta2bvm5gjvvlek9ei48dic/nuxixane.pdfIn PDF document text
  • https://staging-info.sharkovinkom.com/sharkovinkom.com/ckfinder/userfiles/files/59610815035.pdfIn PDF document text
  • http://zoekidsworld.com/userfiles/file/56032327010.pdfIn PDF document text
  • http://crocepadrekolbe.it/userfiles/files/nikuxi.pdfIn PDF document text
  • http://rzn-house.ru/upload/file/16729889425.pdfIn PDF document text
  • http://jamones-luna.shopcloud.es/ckfinder/userfiles/files/37997724635.pdfIn PDF document text
  • http://griesvoegwerken.nl/UserFiles/file/beputagipazi.pdfIn PDF document text
  • http://jnmindia.com/outscapes/admin/ckeditor/uploads/ck/files/xalaju.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=android+gallery+trash+recoveryPDF 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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