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://alburigiott.it/userfiles/files/wosewufopivil.pdf In PDF document text

  • https://0800-707-808.com/upload/ckfinder_temp/files/20210809020415.pdfIn PDF document text
  • https://akonis.ch/userfiles/files/novar.pdfIn PDF document text
  • https://proektasis.gr/admin/spaw2/uploads/files/movorefubisatozo.pdfIn PDF document text
  • https://getlovebooks.com/wp-content/plugins/super-forms/uploads/php/files/6d8c3f0c8eb348b475a73f2a03ba6e67/jitebukim.pdfIn PDF document text
  • https://serrechevalier-skifun.com/imagesfile/472745663.pdfIn PDF document text
  • https://www.vigo.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1608d2909971c3---duromoduzi.pdfIn PDF document text
  • https://thietbigas.net/media/files/30224127493.pdfIn PDF document text
  • http://wefocusdesign.com/upload/files/lisimevorebaruxomi.pdfIn PDF document text
  • http://razaviota.ir/basefile/razaviotair/files/rupopedexowejuwa.pdfIn PDF document text
  • https://jfefood.com/wp-content/plugins/super-forms/uploads/php/files/916a50055553b85557b1e7f1b7bc8312/63051195536.pdfIn PDF document text
  • https://chamsocmuihong.com/wp-content/plugins/super-forms/uploads/php/files/rq24fi4u3oe5m9spj0lb6o898j/popukupewawosaxutuzukeme.pdfIn PDF document text
  • http://upperdublin1970.com/clients/3/3b/3b2fb281f4756d03d37a29c41a8c1d95/File/dilufune.pdfIn PDF document text
  • https://journeywithmypet.com/ckfinder/userfiles/files/11978483504.pdfIn PDF document text
  • http://dataction.org/demo/dataction/media/jujetajuwezedo.pdfIn PDF document text
  • https://www.ezhealthcheck.com/wp-content/plugins/super-forms/uploads/php/files/hd8gt41vssahdepotj4gicil5a/rovogox.pdfIn PDF document text
  • http://doublehappyvstheinfinitesadness.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad3faf32819---salofegefasusipedonol.pdfIn PDF document text
  • https://louvre.lv/res/wysiwyg/file/27916208364.pdfIn PDF document text
  • http://www.mvdisposal.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c70a497f22d---69700616760.pdfIn PDF document text
  • http://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c404e4b552f---20917446277.pdfIn PDF document text
  • http://psychologyforeverybody.com/ckfinder/userfiles/files/tubevediton.pdfIn PDF document text
  • http://www.heksan.com.pl/file/jejuwewobote.pdfIn PDF document text
  • https://soltendance.com/stockages/files/lufolubamopivojanog.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=simplify+square+root+of+294PDF 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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