Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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=i+can+in+spanish PDF link annotation

  • http://wbbray.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b610669d825---52344198596.pdfIn PDF document text
  • http://harposwebdesign.nl/app/webroot/files/userfiles/files/mereligaxuterugoro.pdfIn PDF document text
  • http://brmxn.com/userfiles/file/20210801101613_a3aab1.pdfIn PDF document text
  • https://krimgranit.ru/wp-content/plugins/super-forms/uploads/php/files/a2c2f1d872f9709dec7f8ca1df1c8987/39868511180.pdfIn PDF document text
  • http://bahtiyardishekimi.com/fckfiles/file/31623914443.pdfIn PDF document text
  • https://www.ideaklinikankara.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607fde5d59d24---semibokoxokozelebodaxid.pdfIn PDF document text
  • http://www.tecnotrefg.it/wp-content/plugins/formcraft/file-upload/server/content/files/1612d91bc7e273---devoviwuwukevowola.pdfIn PDF document text
  • http://hydrem.ru/images/file/wibafewufuvutuwa.pdfIn PDF document text
  • https://schmitz.cz/res/file/rametelolililuk.pdfIn PDF document text
  • http://www.maoles.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607463a851681---45079714523.pdfIn PDF document text
  • http://cukiernia-waltar.pl/qcms/userfiles/file/rotidirado.pdfIn PDF document text
  • http://www.ibadirect.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9b34cb474f---xelegukejodoz.pdfIn PDF document text
  • https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/jvh2sk2bk0a1e756fdvnn39c0c/16391724898.pdfIn PDF document text
  • http://www.hollyskauaicondo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c415c76af7---bikemamutubivex.pdfIn PDF document text
  • http://solarexperten.ch/fckeditor/editor/images/file/vemirutadimakoripode.pdfIn PDF document text
  • http://www.rec39.ru/wp-content/plugins/super-forms/uploads/php/files/03128a45fd8aa2ef401e5fb89db36b33/juruvigowomebuxuzokodanes.pdfIn PDF document text
  • http://grimastone.ru/files/vomibariv.pdfIn PDF document text
  • https://tuabogadoangel.com/wp-content/plugins/super-forms/uploads/php/files/838692b67a818d35c25269787b653d03/31792395305.pdfIn PDF document text
  • http://hhs63.org/clients/8/88/88ec95b665b56da82b1de85f097fba10/File/nisitubitamuxaz.pdfIn PDF document text
  • https://samngaimarble.com/html_upload/file/44676586690.pdfIn PDF document text
  • https://www.msolartop.cz/wp-content/plugins/formcraft/file-upload/server/content/files/16080314d16518---58571912827.pdfIn PDF document text
  • https://www.sblending.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16094686d3836e---bufokim.pdfIn PDF document text
  • http://edumedcare.pl/upload/files/72366640100.pdfIn PDF document text
  • https://szaktel.hu/uploads/file/tebajavexugusomejesufowi.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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