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://krisoc.ru/uplcv?utm_term=solitaire+classic+download+windows+10 PDF link annotation

  • https://www.eziblank.com/wp-content/plugins/super-forms/uploads/php/files/ag57r72tr35ipstuunh99gf4g0/zilapuguvijogixaladi.pdfIn PDF document text
  • http://jointrilogy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160746a452fd39---tedop.pdfIn PDF document text
  • https://rubenoferro.com/userfiles/file/98400305220.pdfIn PDF document text
  • http://eurogeographyjournal.eu/admin/fckfiles/file/wedipudetisobinifenijag.pdfIn PDF document text
  • http://mountmedpharmacy.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1608eae3156ffd---kafogufekadaritulirolakag.pdfIn PDF document text
  • http://www.medicellbank.com/userfiles/files/gopizofanazimoxi.pdfIn PDF document text
  • http://queuemanagementsystems.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b2ea994750---dinerasetazuxe.pdfIn PDF document text
  • https://popcouncilinstitute.org/wp-content/plugins/super-forms/uploads/php/files/b7fa5eb1a9bd18155e4bda1a53a4d3af/78132607345.pdfIn PDF document text
  • https://elitestrategyglobal.com/wp-content/plugins/super-forms/uploads/php/files/714b6a418004fc7c0f19e0e7eef7d0fe/lumiwu.pdfIn PDF document text
  • https://www.yoursurveysurveyors.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160d6c9d1a49e2---kewakivigurujix.pdfIn PDF document text
  • http://leap-egypt.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609eb115cb9c6---sazux.pdfIn PDF document text
  • http://clearlakesd.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607db4ad32440---givibemasujoduriz.pdfIn PDF document text
  • http://nedirajtebosnu.net/userfiles/file/57001435432.pdfIn PDF document text
  • http://lovesushiscv.com/uploads/files/fisigugizexikowimekizox.pdfIn PDF document text
  • http://dlzj.net/upload/files/20210628003713498786.pdfIn PDF document text
  • http://oneself.pro/wp-content/plugins/formcraft/file-upload/server/content/files/1608d06d02f9dd---71919820879.pdfIn PDF document text
  • https://t2sc.me/userfiles/murozinenorivalilo.pdfIn PDF document text
  • https://e-lightingcontrols.com/wp-content/plugins/super-forms/uploads/php/files/3b17988684cdd2863ad0646e252e8057/96723413575.pdfIn PDF document text
  • https://www.picmephotoboothhire.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607feea36e8b2---93929370033.pdfIn PDF document text
  • https://xn--80adj7cxa.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/27c9757f4788badd054ddb093b85aeca/nozelajuriwigitex.pdfIn PDF document text
  • http://live-lessons.net/lcj/web/uploads/assets/file/40570018530.pdfIn PDF document text
  • http://holycrossyouthministryasp.org/clients/f/fa/fa15eac34f6f8ef5a8ada011ffef1578/File/74551416679.pdfIn PDF document text
  • http://www.gametimecatering.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cd761d0833f---42543581420.pdfIn PDF document text
  • http://basyapiemlak.com/yukleme_klasoru/userfiles/file/43108516317.pdfIn PDF document text
  • https://independentmusicleague.com/wp-content/plugins/super-forms/uploads/php/files/a6ca051080d3a93bc0d670b0fd761b50/semojenedadik.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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