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://synerhu.ru/uplcv?utm_term=ideal+gas+law+practice+problems+with+answers+pdf PDF link annotation

  • http://sacoorhealth.pt/site/upload/file/87889390461.pdfIn PDF document text
  • http://christopherspubandgrille.com/userfiles/files/jadedawuworunijewodusapis.pdfIn PDF document text
  • https://pabausa.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608709f624bab---nipevozok.pdfIn PDF document text
  • https://evermoral.hk/upload/file/1624360166.pdfIn PDF document text
  • https://agriturismoilcolle.org/userfiles/file/gibapu.pdfIn PDF document text
  • http://skyrunarser.com/js/fckeditor/editor/filemanager/connectors/php/connector.php/upfiles/file/210623142903048938m0bggg.pdfIn PDF document text
  • http://popeyebio.com/upload/files/lidisadenoguropavaxu.pdfIn PDF document text
  • https://ntct-dz.com/ckfinder/userfiles/files/36580677326.pdfIn PDF document text
  • https://www.reparaciondebomba.com.ar/wp-content/plugins/super-forms/uploads/php/files/ascmomghv2a9bh6dmrfd1ivh97/12491118731.pdfIn PDF document text
  • http://anhuifan.com/upload_fck/file/2021-4-29/20210429010734775764.pdfIn PDF document text
  • https://atolab.it/wp-content/plugins/super-forms/uploads/php/files/5dbd7fa2a6c900e3e0d59d9f82236e5c/nelogoworowuxosomozeba.pdfIn PDF document text
  • http://mgbig.com/upload_fck/file/2021-8-23/20210823175440318919.pdfIn PDF document text
  • https://bimetoor.com/basefile/bimetoorir/files/74317466369.pdfIn PDF document text
  • http://modernplating.com/userfiles/file/30549601935.pdfIn PDF document text
  • http://csc0451.com/userfiles/file/20210620052557_txhhtg.pdfIn PDF document text
  • https://www.albispanaderia.com/wp-content/plugins/super-forms/uploads/php/files/f8ec668f4056c15b23c06854a13e6ab1/94367669.pdfIn PDF document text
  • http://shannonlakeestates.org/fck_images/file/fusimedixofiluzik.pdfIn PDF document text
  • http://optimus.org.au/wp-content/plugins/formcraft/file-upload/server/content/files/160bb793b64482---23041905719.pdfIn PDF document text
  • http://www.next-conseil.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160e5782991087---58615003212.pdfIn PDF document text
  • https://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/us6hihunb8jqbrgansag474q94/wupebapususa.pdfIn PDF document text
  • https://andana.us/files/files/sibipoboxax.pdfIn PDF document text
  • https://bxthirteen.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/1fbc068a2c4fbdb83c3d2806791366ac/34283591156.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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