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://cructi.ru/uplcv?utm_term=another+word+for+yam PDF link annotation

  • http://musclecar-taps.com/js/upload/files/64968045382.pdfIn PDF document text
  • http://image.dlib.vn/libedu/news/bachviet/20210926/file/21062681395.pdfIn PDF document text
  • http://pileki.com/imgup/file/sudugefeboditukupevebedi.pdfIn PDF document text
  • http://dolphinegypt.net/userfiles/file/76970469059.pdfIn PDF document text
  • https://dailyiat.com/html_upload/file/90978059283.pdfIn PDF document text
  • http://mxag.com/upload/browse/file/wedamego.pdfIn PDF document text
  • http://xn--rssx31a7tec6p.com/upload/userfiles/files/20210928152812.pdfIn PDF document text
  • https://www.displaysdirectaustralia.com.au/application/third_party/ckfinder/userfiles/files/47823693867.pdfIn PDF document text
  • https://dnsbp.com/all4help/fckuserfiles/file/30672055976.pdfIn PDF document text
  • https://vcvscr.cz/www/www/fckphotos/file/91792338060.pdfIn PDF document text
  • http://mitchelllawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/folavasolofuzi.pdfIn PDF document text
  • http://tottazo.com/userfiles/file/xijozapemikefuvuvu.pdfIn PDF document text
  • https://hylyt.co/wp-content/plugins/super-forms/uploads/php/files/2039bf04e31e93592f53c22ecdc93fbf/90962468190.pdfIn PDF document text
  • https://vishalahospitality.com/ckfinder/userfiles/files/58838291950.pdfIn PDF document text
  • https://safewatersolutions.in/ckfinder/userfiles/files/15133582321.pdfIn PDF document text
  • https://jerseyshorepirates.com/userfiles/files/39679415383.pdfIn PDF document text
  • http://www.kowel.com/ckfinder/userfiles/files/1631534576.pdfIn PDF document text
  • https://inchiriereelicoptere.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16140d53fd7e89---6758462875.pdfIn PDF document text
  • https://valeaflorilor.ro/img/uploads/file/78164738168.pdfIn PDF document text
  • http://yibetter.com/data/files/43837219757.pdfIn PDF document text
  • http://chamdure.com/DATA/files/71460150504.pdfIn PDF document text
  • https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/76c99e788c9e0334bb3798255846f963/97450553088.pdfIn PDF document text
  • http://ednak.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141ebcb60225---pozakazejusutufodaseja.pdfIn PDF document text
  • https://imad0c0.com/js/ckfinder/userfiles/files/9810775408.pdfIn PDF document text
  • http://dongphat.net/upload/files/21738019945.pdfIn PDF document text
  • 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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