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://archism.ru/uplcv?utm_term=how+to+pair+harman+kardon+speakers PDF link annotation

  • https://chamsocmuihong.com/wp-content/plugins/super-forms/uploads/php/files/hnj4bjlta00abjta6mudg4ki7c/faxarimudofapumuto.pdfIn PDF document text
  • http://herodumpsterrental.com/wp-content/plugins/super-forms/uploads/php/files/252a356240bdd938bcb13010fec33bf0/pixuvilalesikogederuwumef.pdfIn PDF document text
  • http://joshuadacosta.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ca36c52919---91417823378.pdfIn PDF document text
  • http://lucidareemantenerepavimentifaidate.it/userfiles/files/89713744230.pdfIn PDF document text
  • http://securitydirect.it/wp-content/plugins/super-forms/uploads/php/files/f0319ac2a88fc3bd8740b66ef59fb1b6/82055885794.pdfIn PDF document text
  • http://orthopaede4you.de/userfiles/file/zafib.pdfIn PDF document text
  • http://www.irrv.org/uploads/files/21376941702.pdfIn PDF document text
  • http://www.next-conseil.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1610c73b6d9c2a---wodusanasaniz.pdfIn PDF document text
  • http://alompar.hu/uploads/content_files/files/mivogemaforobu.pdfIn PDF document text
  • http://uniondeautoescuelas.com/wp-content/plugins/formcraft/file-upload/server/content/files/16104b54a05691---35107851197.pdfIn PDF document text
  • https://bearings.vn/images/ckeditor/files/woxalarivijixiwibapufijam.pdfIn PDF document text
  • https://balance-global.com/wp-content/plugins/super-forms/uploads/php/files/cfcsid6cb52ns7rf24h4nkgao4/76318329036.pdfIn PDF document text
  • http://fsgzb.com/upfolder/e/files/20210803014304.pdfIn PDF document text
  • http://kazenergy.kz/wp-content/plugins/formcraft/file-upload/server/content/files/160fd53e526380---33338493700.pdfIn PDF document text
  • http://casinodanmarkjackpot.dk/userfiles/file/96956654161.pdfIn PDF document text
  • http://westmoorclassof1965.com/clients/5/52/52ec68f2b927accf75267cb07bfcc891/File/talifebowub.pdfIn PDF document text
  • http://www.rebranded.tv/wp-content/plugins/formcraft/file-upload/server/content/files/1608e331132381---bozawuruviwabasanin.pdfIn PDF document text
  • https://deepex.hu/hirek/files/dezeweboxazopize.pdfIn PDF document text
  • http://codienlanhminhquang.com/upload/files/16427483760.pdfIn PDF document text
  • http://www.workbythai.com/admin/assets/images/sunigil.pdfIn PDF document text
  • https://hanahana.vn/media/ftp/file/tavufumus.pdfIn PDF document text
  • http://smartmedicaleg.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c62a35b8095---63868362556.pdfIn PDF document text
  • http://robertoantoniz.com/resources/original/file/zujilozidotawubifol.pdfIn PDF document text
  • http://prodesign31.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16081b41239bcf---zixoboreribaxegub.pdfIn PDF document text
  • http://donateagift.eu/userfiles/file/xajoxokalajavojivot.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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