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
• ClickFix social engineering attack high SE_CLICKFIX
  Document instructs the user to press Win+R or paste a command into a terminal — consistent with ClickFix attacks that bypass macro restrictions by tricking users into running malicious commands directly
• 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://olterus.info/contents/files/gefom.pdf In PDF document text

  • http://geologocarmignani.com/userfiles/files/98110252524.pdfIn PDF document text
  • http://coconut.hu/userfiles/file/lexudofek.pdfIn PDF document text
  • http://fillaracingacademy.cz/ckfinder/userfiles/files/zipuwo.pdfIn PDF document text
  • https://femagnet.com/upload/edu/article/file/lukitetutareritepud.pdfIn PDF document text
  • http://chayka-svg.ru/files/lujilowizedupelal.pdfIn PDF document text
  • http://cateringkieuan.com/uploads/userfiles/file/80749181575.pdfIn PDF document text
  • http://www.contal-farmer.com/uploads/files/77269338164.pdfIn PDF document text
  • https://ladulceseguros.ar/noticias/fckeditor/file/83119568663.pdfIn PDF document text
  • https://pharmnet.cz/ckfiles/files/files/23750877858.pdfIn PDF document text
  • https://www.chinacimctrailer.com/wp-content/plugins/super-forms/uploads/php/files/a7b6791e51a8d41b55de9300794e353b/6284086370.pdfIn PDF document text
  • https://mymovingestimate.com/wp-content/plugins/super-forms/uploads/php/files/02efed0700855d96d33ccf9702b098cf/18562389369.pdfIn PDF document text
  • https://gencerenerji.com/resimler/files/62095704302.pdfIn PDF document text
  • https://elitstroycraft.ru/source/file/lavelogurelelomivugifoxon.pdfIn PDF document text
  • https://digireg.sk/upload/fonegunovaduromil.pdfIn PDF document text
  • http://romovi.net/sgi_userfiles/userfiles/files/zemibenalowufuja.pdfIn PDF document text
  • https://venusnvs.com/userfiles/file/72224097987.pdfIn PDF document text
  • http://nuyewpilot.academy/wp-content/plugins/super-forms/uploads/php/files/a8ad6ccd76348d43ce796300605d8cfc/logotixiv.pdfIn PDF document text
  • http://bluecreator.biz/ckfinder/userfiles/files/60442914637.pdfIn PDF document text
  • https://bushregenerators.info/userfiles/files/bozobixuxaxudeluwimu.pdfIn PDF document text
  • https://taperagi.com/contents/files/44307511121.pdfIn PDF document text
  • https://acrgruppe.de/userfiles/file/molixonibelobolamulopefun.pdfIn PDF document text
  • https://cristalparkhotel.com.ve/ckfinder/userfiles/files/repaforazoruwelafaxizuxa.pdfIn PDF document text
  • http://beamstraffic.ae/amb/userfiles/file/diruwuzirawotululimasisi.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=nba+2k+mobile+keeps+crashing+androidPDF 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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