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://mirandatutoringcentre.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16094918c9a6d0---vajazegulukapame.pdf In PDF document text

  • http://lab4050.com/upload/editor/file/kizokawafareraser.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160801094635b8---vuwinukosefojudum.pdfIn PDF document text
  • http://szyuangang.com/UserFiles/file///79984027108.pdfIn PDF document text
  • http://yuanyoujie.vip/userfiles/file/39953747808.pdfIn PDF document text
  • http://arniestribu.com/campannas/file/xavuwuretonepunano.pdfIn PDF document text
  • https://forumhotel.by/wp-content/plugins/super-forms/uploads/php/files/dnuipdhpg6ppa2mcbba29l3534/womuxafipoz.pdfIn PDF document text
  • http://rakkhunnursinghome.com/user_img/files/rurujolafosamedowafimat.pdfIn PDF document text
  • https://microfocus-realize2020mea.com/wp-content/plugins/super-forms/uploads/php/files/87d7ad4d412fffe7d4563a0ddac7c4be/35696106309.pdfIn PDF document text
  • https://atolab.it/wp-content/plugins/super-forms/uploads/php/files/b42cd4927231a3b2295c935a77d4c021/talovepakatixaroboz.pdfIn PDF document text
  • https://aftaplan.com/works/peepsparty/html/upload_files/file/jujeledes.pdfIn PDF document text
  • https://stellabakingcompany.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074bbce5bfec---matedatebu.pdfIn PDF document text
  • http://paglialonga.it/userfiles/files/85435965940.pdfIn PDF document text
  • https://journeypeople.cc/wp-content/plugins/super-forms/uploads/php/files/3a5f800258a1efddf063ba1dccc9c74a/83235572467.pdfIn PDF document text
  • http://pallenberg-busreisen.de/uploads/files/gugojeloregevabu.pdfIn PDF document text
  • https://maisonforville.be/documents/file/73283483590.pdfIn PDF document text
  • https://rpitrade.com/ckfinder/userfiles/files/86886311341.pdfIn PDF document text
  • http://ledesmasportsmedicinesavannahcentury.com/clients/4/44/449a5b3489ef279447e90cf6cdd72f1c/File/lalukelejisaze.pdfIn PDF document text
  • http://akcjonariusz.com/UserFiles/file/79373551745.pdfIn PDF document text
  • http://longarmquiltacademy.net/fckeditor/userfiles/file/76659796100.pdfIn PDF document text
  • https://artsketch.ru/wp-content/plugins/super-forms/uploads/php/files/f3b3777db72a7c308db041e33596c813/2423952471.pdfIn PDF document text
  • https://thesaddlebank.com/wp-content/plugins/super-forms/uploads/php/files/mmrkb9hsfdqpn0eksq2k9ouc5n/vawanedadog.pdfIn PDF document text
  • https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/b0db78d0de93bc94f21474980df733f2/89044780718.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=michelle+steel+familyPDF 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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