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://baongochoa.com/upload/file/16746519165.pdf In PDF document text

  • http://bawaconstructions.com/editorData/file/84203263062.pdfIn PDF document text
  • http://alvasari.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fae932409f5---20790939781.pdfIn PDF document text
  • http://ngocvietbungalow.com/upload/files/waniwazejasijoj.pdfIn PDF document text
  • https://dfa-finanz.de/wp-content/plugins/formcraft/file-upload/server/content/files/16081f75d50081---finodivedadekateme.pdfIn PDF document text
  • http://thunderstar.cn/userfiles/file/20210624115446316104198.pdfIn PDF document text
  • http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609691909a271---38930651339.pdfIn PDF document text
  • https://www.peeryhotel.com/wp-content/plugins/super-forms/uploads/php/files/eba8cfbcb3ca8514821ee403c52cffd9/54241027939.pdfIn PDF document text
  • https://ahreco.com/uploads/news_file/3616464471.pdfIn PDF document text
  • https://mudrun.com/home/mud/public_html/ckfinder/userfiles/files/49175997640.pdfIn PDF document text
  • https://www.revistadefiesta.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d28489ad4b---84091822551.pdfIn PDF document text
  • http://guojingmall.com/userfiles/file///50935275777.pdfIn PDF document text
  • https://trucraftsmanship.com/wp-content/plugins/formcraft/file-upload/server/content/files/16116770b2f455---zubepisonidoxukunu.pdfIn PDF document text
  • http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613237d56ddfd---vakuto.pdfIn PDF document text
  • https://trotusgrup.ro/ckfinder/userfiles/files/47218163209.pdfIn PDF document text
  • http://stalmost.pl/userfiles/file/dimukifanen.pdfIn PDF document text
  • http://scvumaichiramen.com/uploads/files/muvesepipokodumogomopase.pdfIn PDF document text
  • http://ezstreetautosales.com/clients/876244/File/solexadavozokewakixadinup.pdfIn PDF document text
  • http://rsentco.com/upload/file/62169090102.pdfIn PDF document text
  • http://franklinbristerharveyfamily.com/clients/a/a8/a8910385c57dfddac3c6311e2bd1422e/File/45333650845.pdfIn PDF document text
  • http://taskentcompany.com/userfiles/file/wanej.pdfIn PDF document text
  • http://suvagcentr.ru/userfiles/files/ginabosa.pdfIn PDF document text
  • http://www.mediacomriccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607f5a5b513f4---65936739702.pdfIn PDF document text
  • https://biodent.ro/m4fm_files/m4news/ck-uploads-files/5236728229.pdfIn PDF document text
  • http://a1-automotivegroup.com/upload/files/30171799138.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=dragon+nest+sea+manual+patchPDF 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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