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 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://irlanc.ru/uplcv?utm_term=mpsc+answer+key+13+may+2018+pdf PDF link annotation

  • http://yeditepegumruk.com/userfiles/98078044502.pdfIn PDF document text
  • http://lasfyy.com/uploadfile/file/20210828084315165.pdfIn PDF document text
  • https://marblo.com/app/webroot/img/files/57655208466.pdfIn PDF document text
  • https://kachhiproperties.com/wp-content/plugins/super-forms/uploads/php/files/cqg7l25hcvggl6olsi67allb15/39828972355.pdfIn PDF document text
  • https://maidintown.co.uk/wp-content/plugins/super-forms/uploads/php/files/cf3e9ec420c29876ae2fd9be8c9c0c18/42425801547.pdfIn PDF document text
  • http://omegapizza.net/uploads/files/sumanuzogiredutopavujebar.pdfIn PDF document text
  • http://myucmas.com/userfiles/file/rimupitebususuma.pdfIn PDF document text
  • http://universalthailand.com/images/uploads/ckfinder/files/55056862641.pdfIn PDF document text
  • http://tajilin.com/upload/files/252838878.pdfIn PDF document text
  • http://www.majorisinvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607dfed0913dc---76126274903.pdfIn PDF document text
  • http://www.nomorcantikspesial.com/file/mesusifopusutiwepibefexir.pdfIn PDF document text
  • http://martom24.pl/martom/userfiles/file/87134590846.pdfIn PDF document text
  • https://vietnaminsight.biz/ckfinder/userfiles/files/6483036932.pdfIn PDF document text
  • https://www.abaco-engineering.it/wp-content/plugins/formcraft/file-upload/server/content/files/160b090ad320b3---pekojase.pdfIn PDF document text
  • http://thegioituigiay.net/uploads/files/28592371853.pdfIn PDF document text
  • https://angkagenap.com/contents//files/30428029841.pdfIn PDF document text
  • http://spbmedax.ru/sites/default/files/uploads/wuraxizi.pdfIn PDF document text
  • http://yamamatoen-wanwan.jp/ckfinder/userfiles/files/fumijuwekumad.pdfIn PDF document text
  • http://currycornersugarland.com/admin/images/file/29693894776.pdfIn PDF document text
  • https://www.nevjegykiraly.hu/userfiles/files/43888264829.pdfIn PDF document text
  • https://celovechurch.org/wp-content/plugins/super-forms/uploads/php/files/dd10a4c4ecf299bbbc6b50284603a9bc/kobaka.pdfIn PDF document text
  • https://datajournonepal.org/files/lupizor.pdfIn PDF document text
  • http://famcareconnect.org/wp-content/plugins/formcraft/file-upload/server/content/files/160cfdb6010c8e---rekewidobabajakas.pdfIn PDF document text
  • http://cycling-software.com/files/file/16342903294.pdfIn PDF document text
  • https://biholka.cz/uploades/userfiles/file/94001443855.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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