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://archism.ru/uplcv?utm_term=didactic+lecture+definition PDF link annotation

  • https://abugfreemind.com/userfiles/file/minalukobudutelotume.pdfIn PDF document text
  • http://www.agenbenangbandung.net/file/24201218605.pdfIn PDF document text
  • http://kondicionery-lubertsy.ru/upload_picture/file/wepupumo.pdfIn PDF document text
  • http://minhvuongthuphap.com/upload/ck/files/65680114472.pdfIn PDF document text
  • https://daquin-ferriere.fr/userfiles/file/43108825830.pdfIn PDF document text
  • http://www.reroofingbrisbaneqld.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1611be3860b2f8---buvir.pdfIn PDF document text
  • https://sip7.pl/autoinstalator/sip7.online/wp-content/plugins/super-forms/uploads/php/files/61645afc0d72b1a3cd025f42cc48d80c/fagizomudekonev.pdfIn PDF document text
  • http://www.fotografoeventimilano.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072666799f78---vowelibuvesurefijopo.pdfIn PDF document text
  • https://jaunimodienos.lt/wp-content/plugins/super-forms/uploads/php/files/hmfbeteeqjr11dsmut3ghgh2tn/95392692537.pdfIn PDF document text
  • http://www.iqubz.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609db39ae1fc3---segitabu.pdfIn PDF document text
  • http://hbisan.com/userfiles/file/91158683850.pdfIn PDF document text
  • https://www.marvistasales.com/wp-content/plugins/super-forms/uploads/php/files/e2a59a60edc9bb38dea70e68f1493b52/luzigimuwugexemosisi.pdfIn PDF document text
  • https://udachi.co.th/wp-content/plugins/super-forms/uploads/php/files/ate742pr81nu0celfvsoqs5lom/nadenijuruv.pdfIn PDF document text
  • http://abwmechanicsville.com/uploads/files/zosizonaxexajoxaxegoduti.pdfIn PDF document text
  • https://agermag.ro/mm/file/xirapexumejazali.pdfIn PDF document text
  • http://deshdunya.com/blogimage/file/39534739982.pdfIn PDF document text
  • http://ambulatorioveterinariorigolon.eu/userfiles/files/laduzunawamazomazoze.pdfIn PDF document text
  • https://iva-vietnam.com/userfiles/file/29862836351.pdfIn PDF document text
  • https://impariant-club.ru/wp-content/plugins/super-forms/uploads/php/files/bd6bcb34693d6d0b23ccacfcea193954/femeponama.pdfIn PDF document text
  • https://gadd-asso.org/userfiles/file/76388394218.pdfIn PDF document text
  • http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/ki39v54khgates5ofqrm4b70s3/zisatodanolafowusitezoded.pdfIn PDF document text
  • http://firmykominkowe.pl/Obrazki/edytor/file/dupulafowamomokulisodamim.pdfIn PDF document text
  • https://imapcb.org/wp-content/plugins/super-forms/uploads/php/files/1bmb8t0q2vfrsrlqrgnkcms247/24676887471.pdfIn PDF document text
  • https://mumegram.com/userfiles/file/zutoxajetijadiluwamete.pdfIn PDF document text
  • https://fotofidelity.cz/userfiles/file/96237813970.pdfIn PDF document text
  • http://elsekmont.eu/userfiles/file/mudupituzogovimupevetiva.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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