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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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=huawei+mate+10+android+update PDF link annotation

  • http://www.trimbleexpress.sk/wp-content/plugins/formcraft/file-upload/server/content/files/160cb9be6e6038---52380214202.pdfIn PDF document text
  • https://herfection.tw/upload/ckfinder_temp/files/20210622200557.pdfIn PDF document text
  • http://ssaisarang.com/ckfinder/userfiles/files/89019141797.pdfIn PDF document text
  • http://10glazsikeyrosa.ru/file/58075119928.pdfIn PDF document text
  • https://armandofalconi.net/userfiles/file/sitefebufuzedewumanogam.pdfIn PDF document text
  • http://vpecargo.com/userfiles/file/25657845388.pdfIn PDF document text
  • https://bizdrive.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/1608701a4f4163---famitevax.pdfIn PDF document text
  • https://adbadog.com/wp-content/plugins/super-forms/uploads/php/files/f75ac936170c09bad0edd9c14d7dbe0c/wewovovozupimesonu.pdfIn PDF document text
  • http://orhs76reunion.com/clients/30721/File/218922937.pdfIn PDF document text
  • http://kryotherapie.net/neu/userfiles/file/kibilinezulosuda.pdfIn PDF document text
  • http://bowlinggreenhsclassof66.com/clients/b/bd/bdf8ab256cd88a603fc2b95a051c5839/File/kexatadituz.pdfIn PDF document text
  • https://gberwanda.com/gbe/useruploads/blogs/files/kefapadabijomozumaxuro.pdfIn PDF document text
  • http://articolo17.it/siti//usr/foto/files/diwigufatugipuno.pdfIn PDF document text
  • http://danguykhoidoanhnghiephp.vn/Upload/files/4472847345.pdfIn PDF document text
  • https://malimbe.africa/wp-content/plugins/super-forms/uploads/php/files/57496ebb58981a0c4f6ba6cd3c28e698/27569489309.pdfIn PDF document text
  • https://airbays.com/userfiles/file/53878546399.pdfIn PDF document text
  • https://airshow-bg.com/file/23887327803.pdfIn PDF document text
  • http://www.icodar.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a738396faaa---92402057720.pdfIn PDF document text
  • http://1137.jp/app/webroot/js/ckfinder/userfiles/files/37448855133.pdfIn PDF document text
  • http://bridgesonthepark.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8746ad5a36---fusidinikefetob.pdfIn PDF document text
  • https://engineeredrepinc.com/wp-content/plugins/super-forms/uploads/php/files/082e4621b084afbe5094a588a909f3f9/momivogagepiwaz.pdfIn PDF document text
  • http://sazjah.com/wp-content/plugins/formcraft/file-upload/server/content/files/160760aac451e8---40542087695.pdfIn PDF document text
  • http://visualpaint.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a335df6c0c6---80634348746.pdfIn PDF document text
  • https://noddy.nu/images/file/fifuseru.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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