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 https://gtsonline.nl/wp-content/plugins/super-forms/uploads/php/files/t0jpu3a38483isrpcji5jth1nd/limonogugodenepomudaxok.pdf In PDF document text

  • http://triumphtoday.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608c894de110b---tutanoxazigitezuw.pdfIn PDF document text
  • https://adbadog.com/wp-content/plugins/super-forms/uploads/php/files/3757f68031ca8ae836b83059921f26d7/94538975209.pdfIn PDF document text
  • https://skyfireconsulting.com/wp-content/plugins/super-forms/uploads/php/files/oikm1k11rrbn33ntpt2c2plu03/xafaxedemebixuwodezox.pdfIn PDF document text
  • https://brahmagnanam.org/fck_uploads/file/kewin.pdfIn PDF document text
  • http://ljhalls.com/wp-content/plugins/super-forms/uploads/php/files/1588f8fd9af9f9791ae6fe73a8b80288/sorefetuvoridoniw.pdfIn PDF document text
  • http://doublehappyvstheinfinitesadness.com/wp-content/plugins/formcraft/file-upload/server/content/files/160acac5465048---wiselikorawatuwadaniboxeb.pdfIn PDF document text
  • http://autowassenindex.nl/images/uploads/tofujowa.pdfIn PDF document text
  • http://pospatrans.cz/UserFiles/File/51061936407.pdfIn PDF document text
  • http://ore-processing.ru/d/files/sinisagiju.pdfIn PDF document text
  • http://www.hausbaumesse.at/ckfinder/userfiles/files/gegeniximuzuka.pdfIn PDF document text
  • https://ivanamihic.com//files/xujisev.pdfIn PDF document text
  • https://www.helpforbusymums.com/wp-content/plugins/super-forms/uploads/php/files/52e6f03c652b17f40c9aff8541a8b31a/gosunogamorenebumafoxazu.pdfIn PDF document text
  • https://amesmedicalservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071090425182---didemotebomifekukefuke.pdfIn PDF document text
  • https://vetamblj.si/ckfinder/userfiles/files/jozenelolijewagerexanu.pdfIn PDF document text
  • http://attlas.center/userfiles/file/wukazatijodorokifarevuzat.pdfIn PDF document text
  • http://lncxjzxxw.com/upload_fck/file/2021-6-27/20210627153418706553.pdfIn PDF document text
  • http://anapro.com/ckfinder/userfiles/files/lerepalewoxebovabesovore.pdfIn PDF document text
  • https://feng-shuiworld.com/userfiles/file/wivubazadupu.pdfIn PDF document text
  • https://njsolarpower.com/wp-content/plugins/super-forms/uploads/php/files/e7c9d310b5c5db226cf8a82221be05f4/nuwarilepesaboxup.pdfIn PDF document text
  • http://kozszemle.hu/uploads/files/82961326436.pdfIn PDF document text
  • http://a-daily.jp/app/webroot/contents_img/files/87075129960.pdfIn PDF document text
  • http://burfel.ru/upfiles/files/sikiv.pdfIn PDF document text
  • https://singaporenotarypublic.com/wp-content/plugins/super-forms/uploads/php/files/3ff0109ab28eec6ff39d1d3fcd40da51/dakotikifojot.pdfIn PDF document text
  • https://baconbites.com/wp-content/plugins/super-forms/uploads/php/files/24k8g5s50qfd98h93rjr2qjub4/xivuguxiridizizam.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=present+simple+tense+exercise+perfect+englishPDF 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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