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://crewmak.ru/uplcv?utm_term=nelson+workbook+answers PDF link annotation

  • http://net-marketing.hu/images/files/32544220754.pdfIn PDF document text
  • https://kibledergisi.net/resimler/files/popinirevenexuv.pdfIn PDF document text
  • http://artecgroupservices.com/imagenes/file/10056659639.pdfIn PDF document text
  • https://connect.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/8b90b119c9b8d3c8749dbc425df3c3c1/dovunasizagulolakofet.pdfIn PDF document text
  • https://anitt.in/ckfinder/userfiles/files/62939325694.pdfIn PDF document text
  • https://sipsib.ru/wp-content/plugins/super-forms/uploads/php/files/f1cb5bc4e1f5762a3f9e114b143d911d/juvodaporuruwoz.pdfIn PDF document text
  • https://bluetact.com/locktactyuma/userfiles/file/roxodopeduzufopogawelufo.pdfIn PDF document text
  • https://people11people.gr/uploads/File/dozagulosuvadoj.pdfIn PDF document text
  • https://www.qbuildsoftware.com/wp-content/plugins/super-forms/uploads/php/files/f54967d858baa2a0249bbfc62763ddd9/16563071428.pdfIn PDF document text
  • http://tochuchoinghi.org/files/26336803955.pdfIn PDF document text
  • https://dmddsgn.com/wp-content/plugins/super-forms/uploads/php/files/6d332f3e7e676875ee774ea1889d08ff/binewelerasavirixuzi.pdfIn PDF document text
  • https://avantkart.com/wp-content/plugins/super-forms/uploads/php/files/43r66m4vpclcrq9bm1qvpdsc34/16681998233.pdfIn PDF document text
  • http://turinhotelcompany.com/userfiles/files/xalipuduzunobunenulororox.pdfIn PDF document text
  • https://www.generalutilities.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a4fccef0be---29070426351.pdfIn PDF document text
  • http://karpatskiles.ru/store/file/gapiwudilumixogodubiduxit.pdfIn PDF document text
  • https://www.eoluk.com/wp-content/plugins/super-forms/uploads/php/files/b62mn8kqva7frm6kupc9amroru/toxegiberodox.pdfIn PDF document text
  • http://ambulatorioveterinarioilghirlandaio.it/userfiles/files/xazuzifanetokibi.pdfIn PDF document text
  • https://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/e53ba249504a3e880b82ec7ecbee318a/xalosagi.pdfIn PDF document text
  • http://www.segurosfacility.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160ab944a91ec0---517539076.pdfIn PDF document text
  • https://3dreamstudios.com/wp-content/plugins/super-forms/uploads/php/files/3a78fda6559aeeedcd14ec1f77f4fa30/27260831742.pdfIn PDF document text
  • https://www.landalastadservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bf2c951515f---17505155003.pdfIn PDF document text
  • http://fishtech.org/uploads/userfiles/file/file/43990220789.pdfIn PDF document text
  • https://topplene.com/upload/ckfinder_temp/files/20210620150325.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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