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://drafthe.ru/uplcv?utm_term=android+authority+forum PDF link annotation

  • http://thanhlamresort.vn/wp-content/plugins/formcraft/file-upload/server/content/files/1613e8cf9f1c6f---72623973205.pdfIn PDF document text
  • http://oa30us.com/userfiles/file/34994081615.pdfIn PDF document text
  • https://letajicikoberce.cz/userfiles/file/31046699101.pdfIn PDF document text
  • http://nbkhjc.com/uploads/202109/file/210904004621286276cy6kexalnlta.pdfIn PDF document text
  • https://angkagenap.com/contents/files/33263342090.pdfIn PDF document text
  • https://bleikss.com/userfiles/file/kavobiji.pdfIn PDF document text
  • http://tdvvietnam.vn/webroot/img/files/farukirabo.pdfIn PDF document text
  • http://stitesattorney.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/50970384549.pdfIn PDF document text
  • https://balance-global.com/wp-content/plugins/super-forms/uploads/php/files/uhd1f84n76dibok2f3ds1j7ekt/1130417308.pdfIn PDF document text
  • http://thelifelesson.net/home/tappingchanges/public_html/dowalumniusa/ckfinder/userfiles/files/nasojesarinulitizaken.pdfIn PDF document text
  • http://serextion2006.com/js/upload/files/balem.pdfIn PDF document text
  • https://drhuanghair.com/uploads/files/202109121826515195.pdfIn PDF document text
  • https://taichielite.com/louis/taichi/ckfinder/userfiles/files/sanexofixevatumu.pdfIn PDF document text
  • http://www.unidacardoso.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613b63b3748e0---nabajisut.pdfIn PDF document text
  • https://areicon.com/images/file/wibuxebam.pdfIn PDF document text
  • http://scales-center.com/shop/fck_file/file/sapopuroxutoxigezoxir.pdfIn PDF document text
  • https://dermatologie-chamonix.com/userfiles/file/87549654506.pdfIn PDF document text
  • https://abofahed.com/userfiles/file/97548179237.pdfIn PDF document text
  • http://xn----9sbkvfu2aex3d.xn--p1ai/ckfinder/userfiles/files/45809599540.pdfIn PDF document text
  • http://one9five.com/userfiles/files/pilemeverolowebipo.pdfIn PDF document text
  • http://randoquad72.fr/userfiles/file/voxoderi.pdfIn PDF document text
  • https://ntct.dz/ckfinder/userfiles/files/gijefaxun.pdfIn PDF document text
  • http://studiocalcinoni.com/userfiles/files/xufevituweripipum.pdfIn PDF document text
  • http://savalis.ru/userfiles/file/31793479495.pdfIn PDF document text
  • http://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133dbeeb61ae---bubub.pdfIn PDF document text
  • http://cjatkinson.com/userimages/36386122223.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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