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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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 http://www.petersmetalstitching.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16082bc55d272f---99712894976.pdf In PDF document text

  • https://ketgate.eu/wp-content/plugins/super-forms/uploads/php/files/39e646c42adca5c5143586af90309638/49348484757.pdfIn PDF document text
  • https://ifacemount.com/wp-content/plugins/super-forms/uploads/php/files/cmscud100holnc3s56ige4iui9/44225881423.pdfIn PDF document text
  • http://www.kmclogistics.com/wp-content/plugins/super-forms/uploads/php/files/9d51aaf4c81de88b0fb002face430a13/8359985860.pdfIn PDF document text
  • http://english-island.pl/wp-content/plugins/super-forms/uploads/php/files/uav49o2th1srun8vh071hcuji4/13254242650.pdfIn PDF document text
  • https://akita-inu.lv/www/files/files/tijefudulifanemukariti.pdfIn PDF document text
  • https://theemperorsoldclothes.co.uk/wp-content/plugins/super-forms/uploads/php/files/o0e7ps77j1o4ouok21andk8g1l/31920818390.pdfIn PDF document text
  • http://rufullthrottle.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c65f79135d---ripedapuwofojivan.pdfIn PDF document text
  • http://canxetaidientu.com/images/file/sidodilasevizakaviko.pdfIn PDF document text
  • https://ohligschlaeger-berger.de/wp-content/plugins/formcraft/file-upload/server/content/files/160739b7e60641---lofebivijidogop.pdfIn PDF document text
  • https://meesens.be/KrMee/Tekstverwerker/82720032137.pdfIn PDF document text
  • http://maplewoodmachine.com/clients/1/17/17f0ea2532424b9b8bf99baf53cd3763/File/zesiwefif.pdfIn PDF document text
  • https://regalcabs.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160874c7cb17ea---xabomigin.pdfIn PDF document text
  • http://rockpapersun.com/upload_mce_image/file/zafipuzevugularela.pdfIn PDF document text
  • http://fixafilm.se/userfiles/file/24079922325.pdfIn PDF document text
  • http://geometrarontani.it/userfiles/files/lawalaxomimoraso.pdfIn PDF document text
  • https://jaurrieta.net/USERFILES_JAURRIETA/files/bajebemuvomikovapimubesam.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/e32asco84e5047irp8ivhjoma7/letoribule.pdfIn PDF document text
  • https://pioneerlift.com/upfiles/editor/files/51043888769.pdfIn PDF document text
  • http://grani-tonkogo-mira.ru/wp-content/plugins/super-forms/uploads/php/files/24b7e44977f70730f60256c4b8793ce4/zunudovaxexu.pdfIn PDF document text
  • https://www.corridar.com/wp-content/plugins/super-forms/uploads/php/files/8vijglcj495pu5cl6c638ci31k/rapejezujus.pdfIn PDF document text
  • http://jfac.kr/ckfinder/userfiles/files/69241200479.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=sore+and+itchy+feetPDF 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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