Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://csp-pub.com/stockages/files/44515901268.pdf In PDF document text

  • https://sieuthigo.vn/upload/ck/files/59128689995.pdfIn PDF document text
  • http://pluimveebeurs.com/userfiles/file/86548219241.pdfIn PDF document text
  • https://gpagroup.in/wp-content/plugins/formcraft/file-upload/server/content/files/161825d7430b53---74568344161.pdfIn PDF document text
  • https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/161ab96ddb2e41.pdfIn PDF document text
  • https://koltoztetes-szallitas-lomtalanitas.com/ckfinder/userfiles/files/putisalugikaxarerojoxufom.pdfIn PDF document text
  • http://jsdarvin.com/files/xipebomafujavawoxaxubolo.pdfIn PDF document text
  • http://xn--franzsischebulldoggen-lec.eu/userfiles/file/75977155826.pdfIn PDF document text
  • http://dentherapia.hu/files/file/vexalugotoxatorurasegenib.pdfIn PDF document text
  • http://imobiliariaimperio.com/files/files/wujas.pdfIn PDF document text
  • https://thaodienland.com/fckeditor/editor/filemanager/connectors/php/temp/file/dinefimesaxopezajim.pdfIn PDF document text
  • http://palazzodiaz.com/userfiles/files/68695188790.pdfIn PDF document text
  • http://cermak-expo.cz/data/files/file/37263970394.pdfIn PDF document text
  • http://seanmore.com/userData/board/file/47482385832.pdfIn PDF document text
  • http://pocatellocampfire.com/wp-content/plugins/super-forms/uploads/php/files/mqdrc2i41g9npunj826q9udki9/gaduribide.pdfIn PDF document text
  • http://de.ruben.pl/ckfinder/userfiles/files/totivolotagol.pdfIn PDF document text
  • http://www.fred-robin.com/ckfinder/userfiles/files/59453820700.pdfIn PDF document text
  • http://emilygrilltogo.com/uploads/files/megupaxelitiv.pdfIn PDF document text
  • https://pontus-sd.stiv.bg/uploads/file/14579292587.pdfIn PDF document text
  • https://bcbc3399.com/upload/files/19500929316.pdfIn PDF document text
  • http://gidaero.com/upload/fckeditor/file/45975830585.pdfIn PDF document text
  • http://vitalchurchesinstitute.com/files/file/42842531173.pdfIn PDF document text
  • https://dreesmann-foto.de/userfiles/file/62536801065.pdfIn PDF document text
  • http://feedproxy.google.com/~r/MbOu/~3/oscUj7J0Gjw/uplcv?utm_term=differential+diagnosis+of+common+comPDF 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 extracted file (font_00_sfnt_off0001cb4d.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0001cb4d.bin)

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