Malicious PDF — malware analysis report

Heuristics 8

• 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.
• 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://medvor.ru/uplcv?utm_term=xvideostudio+video+editor+apk+2020+brazil PDF link annotation

  • http://vodova51-53.cz/files/9709769649.pdfIn PDF document text
  • https://romalasergroup.com/userfiles/files/sixeliramexa.pdfIn PDF document text
  • https://bacninhonline.com/webroot/img/files/falupizupebewelomi.pdfIn PDF document text
  • http://www.primalegal.eu/wp-content/plugins/super-forms/uploads/php/files/k1qbd2ck1682rlb2di4ichat87/sitovamilekawelelidafal.pdfIn PDF document text
  • https://yaofangpeixun.com/upload/files/nekodemitilisokawunileso.pdfIn PDF document text
  • http://ville-dammarie.com/ckfinder/userfiles/files/perabixoxomerip.pdfIn PDF document text
  • http://raffaelecavazzoni.com/userfiles/files/bibinelizuxifax.pdfIn PDF document text
  • https://adepotcustom.com/UploadFiles/file/20210913114820198.pdfIn PDF document text
  • https://360clothing.in/home/www360cl/public_html/uploads/images/files/sisesevoxujuxoterutinipa.pdfIn PDF document text
  • http://dsfly.com/uploads/files/17206712863.pdfIn PDF document text
  • http://totoquynhhuong.com/upload/files/73835126839.pdfIn PDF document text
  • http://precedent.by/_newsite/images_from_html_editor/file/91236236976.pdfIn PDF document text
  • https://rajatotogroup2.com/contents/files/deregokuvenabuzagekefoge.pdfIn PDF document text
  • http://laxycoffee.com/upload/files/50516071852.pdfIn PDF document text
  • http://beautifulmoda.com/userfiles/files/6013670001.pdfIn PDF document text
  • http://ashokarefrigeration.com/userfiles/file/74845980172.pdfIn PDF document text
  • https://www.euroservicemilano.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613912a389c64---jovej.pdfIn PDF document text
  • https://autoandtruckrepair.net/nbloom/fckuploads/file/36295407081.pdfIn PDF document text
  • http://www.cascinasorigherio.it/wp-content/plugins/formcraft/file-upload/server/content/files/16140f68a94f39---23666674187.pdfIn PDF document text
  • http://abimobiliare.pl/pliki/File/79107725242.pdfIn PDF document text
  • http://darec.sk/files/files/96410818474.pdfIn PDF document text
  • http://musthighschool.mn/ckfinder/userfiles/files/babonepuworonux.pdfIn PDF document text
  • https://www.fibertech1.com/my_content/js/ckfinder/userfiles/files/5170405306.pdfIn PDF document text
  • http://laboratorioshamalab.com/userfiles/file/wafufowuroxu.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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