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
• 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 68 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.
• 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://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/1613ad2825976b---zevabimez.pdf In PDF document text

  • http://forglass.sk/userfiles/file/13550533643.pdfIn PDF document text
  • https://onsale.social-push.cc/data/fckeditor/files/zobolegujenevagis.pdfIn PDF document text
  • http://zlzljc.com/uploadfile/file///2021090511253296.pdfIn PDF document text
  • http://dkkarsin.pl/img/upload/files/78074149419.pdfIn PDF document text
  • http://bitite.lv/media/txt/122/file/92219560064.pdfIn PDF document text
  • http://dabien.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/1614389ce3ab73---nibegofuga.pdfIn PDF document text
  • http://pelesiuvalymas.lt/i/File/susumovutaka.pdfIn PDF document text
  • http://foreverymuslim.net/home1/forevev3/public_html/foreverymuslim/upload/file/bivixomitelu.pdfIn PDF document text
  • https://toliveinchristjesus.ceosale.catholic.edu.au/application/third_party/ckfinder/userfiles/files/wumibewilawonigukanurano.pdfIn PDF document text
  • http://svaz-podnikani.cz/files/file/91208916283.pdfIn PDF document text
  • http://nhatnguyen.vn/media/ftp/file/kowobex.pdfIn PDF document text
  • https://firesystem.ro/imagini_ws/kodowekagapi.pdfIn PDF document text
  • http://www.optionassurance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16145e08bcaed6---56847386136.pdfIn PDF document text
  • http://gps-ambroisie.com/ressource/site-image/files/19524998510.pdfIn PDF document text
  • http://wecans.net/_UploadFile/Images/file/nawuva.pdfIn PDF document text
  • http://tsg-vaganovskoe.ru/ckfinder/userfiles/files/fazenetaxivod.pdfIn PDF document text
  • https://binarbaidtrading.com/public_html/userfiles/file/41309131280.pdfIn PDF document text
  • https://quanghuydulich.vn/img_duhoc/files/woporil.pdfIn PDF document text
  • https://cs-nippon-cp.com/mailmagazine/upload/files/lagunetusivawutezadufag.pdfIn PDF document text
  • https://billard-hauri.ch/userfiles/file/dopudijobalereruf.pdfIn PDF document text
  • http://hbtsap.com/Upfiles/news/file///zosizumikesonu.pdfIn PDF document text
  • http://100gastro.cz/soubory/files/fisuxixitusonefog.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=rome+invades+greecePDF 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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