Malicious PDF — malware analysis report

Heuristics 9

• 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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
• 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://alperbehang.nl/userfiles/file/81230610464.pdf In PDF document text

  • http://elitvorota.ru/f/file/motalolagif.pdfIn PDF document text
  • https://bursaceviritercume.com/wp-content/plugins/formcraft/file-upload/server/content/files/161352f153017b---kinubasoloroseximojirabi.pdfIn PDF document text
  • https://aahs.givingplan.net/sites/default/files/editor/file/bekotopefirifafarivel.pdfIn PDF document text
  • https://godparents4tz.org/home/god/public_html/ckfinder/userfiles/files/57424345650.pdfIn PDF document text
  • http://www.commandinglife.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140c40e3907a---3811499521.pdfIn PDF document text
  • http://cuacuonnhaxuongbinhduong.com/upload/files/46523476967.pdfIn PDF document text
  • http://195exim.com/datas/files/lunuku.pdfIn PDF document text
  • https://cullinanconstruction.com/wp-content/plugins/super-forms/uploads/php/files/boej34rbim5er35kouk9tdiemf/midojeravufadonepes.pdfIn PDF document text
  • http://www.jacenter.org/js/ckfinder/userfiles/files/govomoweruginifuloludi.pdfIn PDF document text
  • https://mamap.in/ci/userfiles/files/geweriditofet.pdfIn PDF document text
  • https://balance-global.com/wp-content/plugins/super-forms/uploads/php/files/2927hgpog6a3ofthaph6ljru3u/razutifitudonavedol.pdfIn PDF document text
  • https://creativitagh.com/pevron/www/img/file/11312797200.pdfIn PDF document text
  • http://mousike.it/img_ins/files/76296593815.pdfIn PDF document text
  • https://whatshoulditcostme.com/userfiles/file/10511892263.pdfIn PDF document text
  • http://nhatminhtrading.vn/app/webroot/uploads/files/31145440303.pdfIn PDF document text
  • http://highendschmiede.de/highendfiles/file/bosavomedetibi.pdfIn PDF document text
  • https://noble-program.site/js/ckfinder/userfiles/files/34937456407.pdfIn PDF document text
  • https://keyseries.us/userfiles/file/junivogaguzogigogurulipek.pdfIn PDF document text
  • http://lucidareemantenerepavimentifaidate.it/userfiles/files/zuvuje.pdfIn PDF document text
  • http://moristas.com/userfiles/files/zuremumefupomotuvubeb.pdfIn PDF document text
  • https://chennothinterios.com/uploads/file/10522345932.pdfIn PDF document text
  • http://exima.kr/userData/board/file/48633706461.pdfIn PDF document text
  • http://szjwwj.com/userfiles/file///18640354023.pdfIn PDF document text
  • http://mtegl.wsystem.sk/userfiles/files/zajukevawuderex.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=video+free+download+apkPDF 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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