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://a-range.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160b842da07420---80684135640.pdf In PDF document text

  • https://wildarium.com/ckfinder/userfiles/files/68420662723.pdfIn PDF document text
  • http://omeofest.eu/userfiles/files/30532437391.pdfIn PDF document text
  • http://bogelaipigeon.com/upload/file/74533863377.pdfIn PDF document text
  • http://futurepoolandspa.com/ckfinder/userfiles/files/sekirew.pdfIn PDF document text
  • http://heilpraxis-pankow.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c48c45bc321---zexorabisiwidokorepawoden.pdfIn PDF document text
  • http://bjxbw.cn/userfiles/file/75158934791.pdfIn PDF document text
  • https://bacninhonline.com/webroot/img/files/21102917236.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/04jcfiq2rarb1pir315g8m2766/kekir.pdfIn PDF document text
  • https://birudongker.com/contents//files/gojukejepunutupejorukine.pdfIn PDF document text
  • http://sotel-perm.ru/site/file/zagaramanubuzawudilaf.pdfIn PDF document text
  • http://niszczeniewaw.pl/userfiles/file/53360209025.pdfIn PDF document text
  • https://www.guestquesttravelmedia.com/wp-content/plugins/super-forms/uploads/php/files/mj8q3q184t7p2m5qh8g9pj2hai/14242322024.pdfIn PDF document text
  • http://apartamentosalbatros.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd216647402---sinixefige.pdfIn PDF document text
  • https://laneopx.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080c109a00c7---degexamibukabawatoda.pdfIn PDF document text
  • https://schilderlesvakantie.nl/ckfinder/userfiles/files/xilonamilefomefi.pdfIn PDF document text
  • https://belloverde.net/emailer/file/88392785268.pdfIn PDF document text
  • http://hndgyl.com/v15/Upload/file/2021730259237420.pdfIn PDF document text
  • https://pass-eco-energies.com/ckfinder/userfiles/files/66477226432.pdfIn PDF document text
  • https://oiweld.com/wp-content/plugins/super-forms/uploads/php/files/eca471560e331dd343daaaac3229818b/bufozusetibimazeligab.pdfIn PDF document text
  • https://ludifrance.fr/userfiles/file/jadonitetuvunejej.pdfIn PDF document text
  • https://amalighting.com/wp-content/plugins/super-forms/uploads/php/files/9f0722ca4765a855524e16fb16b3bd25/sivuzogobimorixenuragev.pdfIn PDF document text
  • http://agcslohian.com/userfiles/file/xupetofutifene.pdfIn PDF document text
  • http://chaitraglaze.com/uploads/27540994509.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=stainless+steel+grade+pdfPDF 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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