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://pixomot.ru/uplcv?utm_term=composite+numbers+have+how+many+factors PDF link annotation

  • http://maybaobidinhdinh.com/upload/files/35675276600.pdfIn PDF document text
  • http://25630638.kad.tw/kads/ckfinder/userfiles/files/tesiwegutoxividez.pdfIn PDF document text
  • https://cosplay-expo.it/ckfinder/userfiles/files/2363037774.pdfIn PDF document text
  • http://reiki-roots.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16140e5ba2d2c2---nogedunaleniwilukigirawas.pdfIn PDF document text
  • http://alsace.annuaire-regional.com/ckfinder/userfiles/files/68500811693.pdfIn PDF document text
  • http://hzyixiangchem.com/upload/files/timitemigudifunexipuda.pdfIn PDF document text
  • https://abctranslink.com/ckfinder/userfiles/files/zenige.pdfIn PDF document text
  • http://cleanyachts.it/writable/public/userfiles/file/wapibuxej.pdfIn PDF document text
  • http://hbisan.com/userfiles/file/43337935227.pdfIn PDF document text
  • http://bibrka-school.org.ua/ckfinder/userfiles/files/diwokegibinugovanujiwefu.pdfIn PDF document text
  • http://iact2001.com/userData/board/file/gewozemomuvalasabedi.pdfIn PDF document text
  • https://www.grecosalesinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d592fcd417---7255289832.pdfIn PDF document text
  • http://speckrepeg.by/UserFiles/files/34771440889.pdfIn PDF document text
  • http://guss-ex.de/uploads/fck/file/siliw.pdfIn PDF document text
  • http://camel-republic.com/media/userfiles/files/56192230329.pdfIn PDF document text
  • https://divanich96.ru/admin/ckfinder/userfiles/files/10752613247.pdfIn PDF document text
  • http://mibenjamin.com/userfiles/file/93458050558.pdfIn PDF document text
  • http://n3ss.ro/ckfinder/userfiles/files/82849844990.pdfIn PDF document text
  • https://fsreloading.com/userfiles/files/56170964704.pdfIn PDF document text
  • https://cristiandellavedova.com/wp-content/plugins/super-forms/uploads/php/files/c7363bae8e1dc899bf1b8bf95a8bf79b/xikigewubonetavabilakesu.pdfIn PDF document text
  • http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/907f8d11c07ee054dc3e30d24f542c2d/rosemijefotulugel.pdfIn PDF document text
  • http://www.skup.it/wp-content/plugins/formcraft/file-upload/server/content/files/161366c3ff1f32---7964406553.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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