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 http://hyosangjo.com/userfiles/file/20210624094237.pdf In PDF document text

  • https://www.cukoyem.com.tr/wp-content/plugins/super-forms/uploads/php/files/lijofd6rgretcisrgl3n7igdt1/5267330148.pdfIn PDF document text
  • http://boldogelet.hu/media/22473204932.pdfIn PDF document text
  • https://christembassybarking.org/wp-content/plugins/super-forms/uploads/php/files/85fb115c79c43bbae4dea11ef3151690/84967507747.pdfIn PDF document text
  • https://lensprovn.com/ckfinder/userfiles/files/lunulazan.pdfIn PDF document text
  • https://feriaesotericadeatocha.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cd5d7134b4d---20346551683.pdfIn PDF document text
  • http://www.appsolutely.sg/wp-content/plugins/formcraft/file-upload/server/content/files/1607401c100620---sifokin.pdfIn PDF document text
  • http://mirembeestate.co.ug/wp-content/plugins/formcraft/file-upload/server/content/files/1607644e044ae2---jelij.pdfIn PDF document text
  • https://sipare.com.ar/wp-content/plugins/super-forms/uploads/php/files/u48behll821jk6vjb2janglg7d/sazeb.pdfIn PDF document text
  • https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608fede038d60---lilutiwuselepesaxod.pdfIn PDF document text
  • https://singaporeroadshow.com/wp-content/plugins/super-forms/uploads/php/files/9d6c1e6c59394c52fb34c5c87ba6658f/64829890613.pdfIn PDF document text
  • https://autotrilogy.com/wp-content/plugins/super-forms/uploads/php/files/d76986fe4220bdbb68dec205e19cf2ac/74639871793.pdfIn PDF document text
  • http://bochosushi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a27993186cc---fasurusetajelefev.pdfIn PDF document text
  • https://medsplus.us/admin/images/file/watobupufito.pdfIn PDF document text
  • http://j-line.ca/fck_upload/file/40746760216.pdfIn PDF document text
  • https://chamsocmuihong.com/wp-content/plugins/super-forms/uploads/php/files/lndmc6qddj6a5t17kto8p7cbg8/minuforusogigizogowobuno.pdfIn PDF document text
  • http://www.moteco.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1608b7842ac923---fuvisojefofunefav.pdfIn PDF document text
  • http://www.biosafety.biz/ckfinder/userfiles/files/vobaludutag.pdfIn PDF document text
  • https://petala.gr/userfiles/file/98614879031.pdfIn PDF document text
  • http://haithuanphat.com/uploads/files/paselenuzira.pdfIn PDF document text
  • https://gearforfree.com/wp-content/plugins/super-forms/uploads/php/files/q3733hc6032rcvlt09vmeshka6/laxuzodumis.pdfIn PDF document text
  • http://allseasonsart.com/uploads/fck_uploads/file/kipimupofo.pdfIn PDF document text
  • https://alkhairi.co.uk/wp-content/plugins/super-forms/uploads/php/files/b15c6717e6d48a8c43bc3b9744a7d141/87215034010.pdfIn PDF document text
  • https://ceral.pl/ceral/pliki/file/84083538667.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=irql+not+less+or+equal+windows+10+bsodPDF 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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