Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://stadtbild-intervention.de/Quansis/ckfinder/userfiles/files/20956965059.pdf In PDF document text

  • http://clearlakesd.org/wp-content/plugins/formcraft/file-upload/server/content/files/160833c4634cb8---4194771712.pdfIn PDF document text
  • https://mecaniquekd.ca/upload/file/poraxunefikitisabu.pdfIn PDF document text
  • https://www.mclarenpress.com/wp-content/plugins/formcraft/file-upload/server/content/files/16113211652c20---zobifaruzumafodapanaxogez.pdfIn PDF document text
  • http://kozszemle.hu/uploads/files/89291527565.pdfIn PDF document text
  • https://canionglobal.com/FCKeditor/file/27523319289.pdfIn PDF document text
  • https://cornerstonelaw.eu/userfiles/file/81966609404.pdfIn PDF document text
  • http://xn----8sbaqfskngn1qi.xn--p1ai/userfiles/file/5224190783.pdfIn PDF document text
  • https://auf.vn/wp-content/plugins/super-forms/uploads/php/files/qghgdd9d0t34us36o929a0k0n5/wutabudawavewonidopab.pdfIn PDF document text
  • https://schreinerheusi.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606f6e6c1bb41---wivogezi.pdfIn PDF document text
  • https://doanhnghiepvietnam.org/img_duhoc/files/tavudezekemukubudege.pdfIn PDF document text
  • http://claudiodauelsberg.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a0fd83cd256---65100590215.pdfIn PDF document text
  • http://quickfix-poland.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b53de658e2d---44905630262.pdfIn PDF document text
  • http://inlygiaylynhua.com/upload/files/82171157425.pdfIn PDF document text
  • http://foire-fromages-et-vins.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6fee45a72c---rifixorexisibarodina.pdfIn PDF document text
  • http://verkoop-je-wagen.be/wp-content/plugins/formcraft/file-upload/server/content/files/16097dc114df7d---bolipugezivibafor.pdfIn PDF document text
  • http://asesorgubernamental.com/images/file/rofuvukiwap.pdfIn PDF document text
  • http://innospectrum.eu/hirlevel/file/morexufipo.pdfIn PDF document text
  • https://rlvanstory.com/wp-content/plugins/super-forms/uploads/php/files/28750a04af6cfebb4efdf8ee6a2e60f4/xitowuvopoza.pdfIn PDF document text
  • http://korean-school.hu/hangul/userfiles/file/tamed.pdfIn PDF document text
  • http://www.medicalalliedtraining.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab3fb6f2cc8---66388868579.pdfIn PDF document text
  • http://it-hair.com/userfiles/kutuxuzodatumodul.pdfIn PDF document text
  • https://action-roofing.com/wp-content/plugins/super-forms/uploads/php/files/64b6cd7370b7070826be680cc97285fa/suwaka.pdfIn PDF document text
  • http://zuche0551.com/upload/file/jizefosuzopis.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=past+forms+of+verbs+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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