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://chcial.ru/uplcv?utm_term=appointment+letter+format+for+assistant+marketing+manager PDF link annotation

  • http://mspchicagolaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/wisemoxeripini.pdfIn PDF document text
  • http://miskolciharsona.hu/pictures/file/takatupuwuzizibiwalada.pdfIn PDF document text
  • http://bmsorganica.com/userfiles/file/wifusidafi.pdfIn PDF document text
  • https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/b0720f96b976f75493893c8cfc52a498/keluketejepomixedugok.pdfIn PDF document text
  • http://ar-intl.net/wp-content/plugins/super-forms/uploads/php/files/nfnjh4urqh0p3ccq1mbp1c7ii6/39689579564.pdfIn PDF document text
  • http://topopentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b87acbd9aff---vizotulafu.pdfIn PDF document text
  • http://entone.es/wp-content/plugins/super-forms/uploads/php/files/03aff98c6365d3534e5346230aa5c266/lotefoginidosalerapi.pdfIn PDF document text
  • https://lakecountyoralsurgery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f7ef71c009b---56206608128.pdfIn PDF document text
  • http://analogsys.com/uploaded/file/13091168760f183fd3a9aa.pdfIn PDF document text
  • http://nuyewrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/15330da3bd91a41f562eab90406f7691/52357951280.pdfIn PDF document text
  • https://hazeloyun.com/calisma2/files/uploads/pivopopafatemurezaxu.pdfIn PDF document text
  • http://aklond.com/UploadFilesfile///2021050913243415.pdfIn PDF document text
  • http://asesoriagarpe.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ee4f59c650b---35216064812.pdfIn PDF document text
  • https://gearforfree.com/wp-content/plugins/super-forms/uploads/php/files/i89voc3p4k4gvsfd7k01g1834f/10540955068.pdfIn PDF document text
  • http://wypelnienia.kratex.pl/wp-content/plugins/super-forms/uploads/php/files/92682b518885cd326a995c8757692664/21325739761.pdfIn PDF document text
  • https://profbuhotchet.ru/wp-content/plugins/super-forms/uploads/php/files/7d51e6526221005998b2cda277c4af64/67908500068.pdfIn PDF document text
  • http://e-kva.ru/admin/ckfinder/userfiles/files/40163988678.pdfIn PDF document text
  • http://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607e26b7c1f74---pusaz.pdfIn PDF document text
  • http://www.luminicaambiental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c5817b039bc---loves.pdfIn PDF document text
  • http://pro-group.ru/userfiles/files/72180500707.pdfIn PDF document text
  • https://www.lumisolar.pe/wp-content/plugins/formcraft/file-upload/server/content/files/1608578faf3f0e---291900516.pdfIn PDF document text
  • http://chinasoftcore.com/userfiles/file///lavipofemenefitimag.pdfIn PDF document text
  • http://dienvietbac.com/uploads/files/losajevepobobajasaxikufi.pdfIn PDF document text
  • http://4998horo.gmmwireless.com/contents/files/fuperitolosidipiziwowiwol.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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