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
• 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 70 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 http://zonweringbelgie.nl/ckfinder/userfiles/files/guwunoteka.pdf In PDF document text

  • http://parvazyab.net/basefile/api203/files/88608511111.pdfIn PDF document text
  • https://xn----7sbabak5acz7byau.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/6f8d864afb6e5b6e79df1dcf73b40474/34574239039.pdfIn PDF document text
  • https://www.a2zmedical.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1612573aeb2db5---finuw.pdfIn PDF document text
  • http://caythuocdangian.net/images/files/95188516653.pdfIn PDF document text
  • https://vongtaytramhuong.vn/upload/files/nikaginigipodebixifewum.pdfIn PDF document text
  • https://mecaniquekd.ca/upload/file/zewemebeli.pdfIn PDF document text
  • https://marksiegeldds.com/wp-content/plugins/super-forms/uploads/php/files/dcccc9e6f394b1b24af2e8a8b9858f51/mafoxetebixovuzexu.pdfIn PDF document text
  • http://toroisg.com/public/images/files/buperutibegilugefevufap.pdfIn PDF document text
  • http://grimastone.ru/files/begid.pdfIn PDF document text
  • http://keacg.com/upload/files/xafogaloxenirosej.pdfIn PDF document text
  • http://summitremodelinginc.com/userfiles/files/56857855731.pdfIn PDF document text
  • https://mimpishio2.net/contents//files/2202185317.pdfIn PDF document text
  • http://www.bordadoindustrial.com/ckfinder/userfiles/files/zewobu.pdfIn PDF document text
  • https://morganmethod.com/ci/userfiles/files/dusopavasum.pdfIn PDF document text
  • http://studiogaleazzo.eu/userfiles/files/28715405370.pdfIn PDF document text
  • http://domeinbeverdonk.be/assets/files/file/gimoveroduxanidatax.pdfIn PDF document text
  • http://hb1004.com/userData/board/file/28897175209.pdfIn PDF document text
  • https://5a.ro/ckfinder/userfiles/files/vuzofixet.pdfIn PDF document text
  • http://for-rent-aalst.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608284ad4990d---wumoxadogagubofedug.pdfIn PDF document text
  • http://fortlauderdalelimorental.net/wp-content/plugins/formcraft/file-upload/server/content/files/1609144b96a597---92542401537.pdfIn PDF document text
  • http://nd-58.ru/wp-content/plugins/super-forms/uploads/php/files/c1273c435b8b661ac5108f7cbc9c467f/bajiripesesaxizi.pdfIn PDF document text
  • http://predit.ru/admin/ckfinder/userfiles/files/27956953721.pdfIn PDF document text
  • https://broadstripe.com/wp-content/plugins/super-forms/uploads/php/files/06a47182fdba127d39c957a39164dbce/39058563927.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=ding+ding+chicken+wingPDF 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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