Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 68 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• Clickable URI points to raw IP address medium PDF_URI_IP_LITERAL
  PDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
• 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://infrive.ru/uplcv?utm_term=yellow+eyes+from+dehydration PDF link annotation

  • https://herfection.herfection.tw/upload/ckfinder_temp/files/20210913111512.pdfIn PDF document text
  • http://tabletopad.com/images/file/59221609391.pdfIn PDF document text
  • https://hagakure.by/upload/editor/files/12229350855.pdfIn PDF document text
  • https://www.gml.de/wp-content/plugins/formcraft/file-upload/server/content/files/161405dfcd23da---93490228531.pdfIn PDF document text
  • http://autoneza.cz/UserFiles/File/10631050617.pdfIn PDF document text
  • http://parateam.cz/file/65425354129.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b3dd624da4---pifinanomasanidevafag.pdfIn PDF document text
  • https://kme.pl/global/app/webroot/uploads/file/16312656551195.pdfIn PDF document text
  • http://sieckultury.pl/wp-content/plugins/super-forms/uploads/php/files/53312285c083a2ed3aeb643901b5507d/88789799153.pdfIn PDF document text
  • http://ascensionchina.com/userfiles/file/toluradum.pdfIn PDF document text
  • https://simovi.mx/wp-content/plugins/formcraft/file-upload/server/content/files/161322412089d0---26335535354.pdfIn PDF document text
  • https://www.adcgrain.com/wp-content/plugins/super-forms/uploads/php/files/60a7f34d6ea8a3eacd271f0e4def4c1f/17105703563.pdfIn PDF document text
  • https://wemservice.com/ckfinder/userfiles/files/67456944095.pdfIn PDF document text
  • http://xn--42ci4cc0aric4a6dd7c5af9nef7sg.com/userfiles/files/modekumudewavefona.pdfIn PDF document text
  • http://fazendasaojudastadeu.net/fotosempresa/files/ligukuj.pdfIn PDF document text
  • https://taybaite.com/userfiles/file/ratevof.pdfIn PDF document text
  • http://140.121.180.103/ckfinder/userfiles/files/bijufajug.pdfPDF link annotation
  • http://konberdbio.com/upload/files/2050879756.pdfIn PDF document text
  • https://nhabe.com.vn/ckfinder/userfiles/files/jefuxex.pdfIn PDF document text
  • https://landbondcorten.com/attachment/file/24cdea97b2745d5e8a6ae94b95fd7435.pdfIn PDF document text
  • https://bettenbaehren.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613386e8b0818---61970079793.pdfIn PDF document text
  • http://i-tos.com/userData/board/file/21787833049.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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