Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://drafthe.ru/uplcv?utm_term=convert+pdf+to+word.+documents+doc+to+pdf+-+ilovepdf PDF link annotation

  • https://carrieres-pierre.com/userfiles/file/31015138226.pdfIn PDF document text
  • https://skvely-kup.cz/files/file/35670357128.pdfIn PDF document text
  • http://studiotecnicodavico.eu/userfiles/files/40576787956.pdfIn PDF document text
  • http://inventory-acepipe.com/images/uploads/files/32125695842.pdfIn PDF document text
  • http://lotuscourtpune.com/wp-content/plugins/super-forms/uploads/php/files/dqsv1vf420gp838isprmpu9j12/63974752815.pdfIn PDF document text
  • https://janeunchained.com/wp-content/plugins/super-forms/uploads/php/files/kl39c730qr0thns5cg5dqelcg6/40812432913.pdfIn PDF document text
  • https://amiablediamonds.com/wp-content/plugins/super-forms/uploads/php/files/01b7f8ca63e0a25d22507a0d54fd2401/mivaduj.pdfIn PDF document text
  • http://clinicaveterinariabilancino.it/userfiles/files/96739861486.pdfIn PDF document text
  • https://www.hed-endo.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1606f9d0f499fe---rakusin.pdfIn PDF document text
  • https://frontlinetherapist.com/wp-content/plugins/super-forms/uploads/php/files/d44df097b2a4353a2e16b6a494cb17ff/80585546857.pdfIn PDF document text
  • https://yarpaket.ru/userfiles/file/tigoraxepilamekun.pdfIn PDF document text
  • http://muszempilla.com/files/file/81506314524.pdfIn PDF document text
  • https://www.diktu.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bff0c413398---mobivadazez.pdfIn PDF document text
  • http://www.jcca.co.in/wp-content/plugins/formcraft/file-upload/server/content/files/160dda7c155305---nilobapuxef.pdfIn PDF document text
  • http://www.jcca.co.in/wp-content/plugins/formcraft/file-upload/server/content/files/161219c41a86b4---gonopegumobipekesilujif.pdfIn PDF document text
  • http://brilspa.ro/userfiles/file///98197572074.pdfIn PDF document text
  • https://htapigroup3.com/contents//files/robulafukekuvokonekonib.pdfIn PDF document text
  • http://xn--22cjbbm2eyae3ehabdb4kqdtae3dxnnc1fhf.com/user_img/files/69669390024.pdfIn PDF document text
  • https://malabarmail.com/ckfinder/userfiles/files/xekepokuzakusukojiwa.pdfIn PDF document text
  • http://xn--80aaae7amexjfdlfdfg.xn--p1ai/files/file/48522660045.pdfIn PDF document text
  • https://www.ferienhof-schneider.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609269629b660---mugubodezub.pdfIn PDF document text
  • http://mdbim.pl/ubezpiecz/obrazy/file/75279352245.pdfIn PDF document text
  • http://cbelmira.com/wp-content/plugins/super-forms/uploads/php/files/0e36e97ja0iq1g7r8lc4575h11/86089001530.pdfIn PDF document text
  • https://transmar.biz/ckfinder/userfiles/files/40577364271.pdfIn PDF document text
  • https://hobbes-group.com/upload/files/gazoti.pdfIn PDF document text
  • http://ahkkpcm.org/userfiles/xemugawenufataxodotarikol.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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