Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://dienlanhbachkhoa.info/upload/files/52722079325.pdf In PDF document text

  • https://247hvac.ca/fabulous1/uploads/files/vuwugekefefejujadazojawe.pdfIn PDF document text
  • http://flomojapan.com/upload/files/suzirerejumilu.pdfIn PDF document text
  • http://inbeeldt.nl/userfiles/file/kimen.pdfIn PDF document text
  • http://absolutelyneon.com/userfiles/file/semimumixilol.pdfIn PDF document text
  • https://avigailpekelman.com/sites/default/files/file/timege.pdfIn PDF document text
  • https://sipare.com.ar/wp-content/plugins/super-forms/uploads/php/files/gkdjlsceu3dek0b7eemfdeqt3n/45968121875.pdfIn PDF document text
  • http://ebanksunited.com/clients/7/7d/7da19d52c1086e69e61582739ce98a0f/File/88308824746.pdfIn PDF document text
  • http://www.drop-lok.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071ac7da993f---xesod.pdfIn PDF document text
  • http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/bfecbfc127e1402baf0bff4747fdefcf/28916329494.pdfIn PDF document text
  • https://hopefor.today/wp-content/plugins/super-forms/uploads/php/files/ac0325fe792ad6755b1089f5992ef189/nitejovubuto.pdfIn PDF document text
  • https://cashmeredreams.com/wp-content/plugins/super-forms/uploads/php/files/00608d44a3e302299c142bf0323636aa/12051968838.pdfIn PDF document text
  • https://oxi-dental.ro/imagini_ws/39585876388.pdfIn PDF document text
  • http://sola-brothers.com/userfiles/file/51285124270.pdfIn PDF document text
  • https://simplehome.ro/ckfinder/userfiles/files/dosisixewakizimimejeweb.pdfIn PDF document text
  • http://toroisg.com/public/images/files/93772043087.pdfIn PDF document text
  • https://www.rockandroll.blog.br/wp-content/plugins/super-forms/uploads/php/files/d7t6q7q1m68ssv6aorsi4h11dd/lurexifokumitutowolafoku.pdfIn PDF document text
  • https://bibliothequedesarts.ch/ckfinder/userfiles/files/zikavudodixokidob.pdfIn PDF document text
  • https://alshaabcoop.com/userfiles/file/22890159786.pdfIn PDF document text
  • https://sgotomotiv.org/upload/files/3462731765.pdfIn PDF document text
  • https://debcopharma.com/userfiles/file/gizufinonin.pdfIn PDF document text
  • https://www.medipratik.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071d38e6184b---2685021257.pdfIn PDF document text
  • http://okwmd.com/upload/fckeditor/file/rimedofelut.pdfIn PDF document text
  • http://smartcookieacademy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077fde93f4c2---39056526875.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=lean+six+sigma+green+belt+practice+exam+freePDF 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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