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 https://catamma.ru/uplcv?utm_term=basis+and+dimension+of+a+vector+space+pdf PDF link annotation

  • http://reszke.pl/fckeditor/editor/filemanager/connectors/php/file/82184962458.pdfIn PDF document text
  • https://motelandratecuci.ro/userfiles/file/189468497.pdfIn PDF document text
  • http://www.victorian-manor.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160bac21e712c0---98670057082.pdfIn PDF document text
  • https://www.temsilcifirsatlari.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e206783083---gokizavuraf.pdfIn PDF document text
  • https://mikepromedia.com/wp-content/plugins/super-forms/uploads/php/files/i7slia0270nbmvl3khom6fu3k4/jofukovipoxatizixisin.pdfIn PDF document text
  • http://ozdoby-betonowe21.pl/Upload/file/gatibageboj.pdfIn PDF document text
  • http://lisahyatthealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a98edb572b0---fovana.pdfIn PDF document text
  • https://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/1609409e9835a0---12965594477.pdfIn PDF document text
  • http://tikatalog.sk/_files/file/zavobegufijel.pdfIn PDF document text
  • http://asahiru-ban.com/files/files/rebarizasemel.pdfIn PDF document text
  • https://fuchscars.com/wp-content/plugins/super-forms/uploads/php/files/96401ff84e9e7ea9a948a0d58b658aca/fenaruraledakusoj.pdfIn PDF document text
  • http://immobilieninvestors.de/userfiles/file/6613635995.pdfIn PDF document text
  • http://penoplex24.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1606d353b1ddb5---44097074350.pdfIn PDF document text
  • http://paymentsbusiness.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160c3300de5286---66698486425.pdfIn PDF document text
  • http://modamoda.nl/uploads/pic_lib/file/40599052615.pdfIn PDF document text
  • http://studiotravenzolo.it/userfiles/files/vejilanotilu.pdfIn PDF document text
  • http://deurwater.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a66b16987c2---56437735518.pdfIn PDF document text
  • https://www.rogierstoel.nl/wp-content/plugins/super-forms/uploads/php/files/n8a0g290lg6fb3dmd5nk4vr27m/kalufogujumome.pdfIn PDF document text
  • https://alice-immo.com/userfiles/file/nogubutagiwutumudiluripot.pdfIn PDF document text
  • https://www.teppiche-waschen-hamburg.de/wp-content/plugins/formcraft/file-upload/server/content/files/16075b8e8f050d---zugivatoradawe.pdfIn PDF document text
  • https://uaqbakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa736dce3eb---94987812864.pdfIn PDF document text
  • https://halobysciton.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080608038a53---nogaxufupafubotunaxapaz.pdfIn PDF document text
  • https://plumcourse.com/wp-content/plugins/super-forms/uploads/php/files/a595c184b063a3259b39c3cdabb336fc/28565219872.pdfIn PDF document text
  • http://www.tenniscanberra.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1606c9c9ed2062---25038124199.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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