Malicious PDF — malware analysis report

Heuristics 7

• 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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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://pixomot.ru/uplcv?utm_term=sorcerer%27s+ring+pdf PDF link annotation

  • http://inlovehuahin.com/file_media/file_image/file/pasadepufipipakumumi.pdfIn PDF document text
  • http://banglatalkies.com/dynamic-images/cms/file/nawojozimokosijuxifunam.pdfIn PDF document text
  • https://talaa-obour.com/webmisr/uploadwebmisr/file/sukekanufetigoridoxamin.pdfIn PDF document text
  • https://apsco.ly/userfiles/files/14350562895.pdfIn PDF document text
  • http://01host.ru/userfiles/files/35987600564.pdfIn PDF document text
  • https://bettenbaehren.de/wp-content/plugins/formcraft/file-upload/server/content/files/16096d64b244bc---rigonoka.pdfIn PDF document text
  • http://benthanhsgfarm.net/images/uploads/files/kukematifasovago.pdfIn PDF document text
  • http://altiro.nl/home/tjerk/file/27754490676.pdfIn PDF document text
  • http://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c28506d821d---97225626730.pdfIn PDF document text
  • https://detector-billetes.com/Imagenes/file/14159051310.pdfIn PDF document text
  • https://aduanaldelvalle.com/userfiles/file/29717870983.pdfIn PDF document text
  • https://peintures-descours.fr/fichier/files/xevusopudika.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/acivgslqlakgvdmipht4uhuhi4/29575549889.pdfIn PDF document text
  • https://unicornproduction.gr/wp-content/plugins/super-forms/uploads/php/files/49150a3f3e94b68e3976deff2f0e3bd9/70354826976.pdfIn PDF document text
  • https://adepotcustom.com/UploadFiles/file/20210523162152178.pdfIn PDF document text
  • https://bamfieldrental.com/userfiles/file/60825250362.pdfIn PDF document text
  • http://tamlaproject.com/userData/board/file/26161812142.pdfIn PDF document text
  • http://ucinnovation.ru/admin/ckfinder/userfiles/files/nazibuxusudusazevugufeni.pdfIn PDF document text
  • https://maconlux.ovh/userfiles/files/duzebemozudafudat.pdfIn PDF document text
  • http://bangdientunhk.com/upload/files/50021219513.pdfIn PDF document text
  • http://www.vivelamusica.es/wp-content/plugins/formcraft/file-upload/server/content/files/1612183f60f1ff---94431157256.pdfIn PDF document text
  • http://www.onekaddy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160921c3b45e36---mezeba.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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