Malicious PDF — malware analysis report

Static analysis result for SHA-256 425c5d5c6b10494f…

MALICIOUS

PDF

98.9 KB Created: 2022-04-11 11:41:18 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-15
MD5: 0c9fbb690adde64a567a2f6346b098b7 SHA-1: 406283fad926d8bd89791d7eb1cb7ee26ada44ea SHA-256: 425c5d5c6b10494f461e98a5de32e9adb0fe4c72ee7ef339a8565e85646b75fa
156 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9974

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://lovig.co.za/YmrXLWy8?keyword=data%20warehousing%20architecture%20and%20implementation%20pdf PDF link annotation
    • https://nisseiplastic.com/up_images/exp/files/27620456631.pdfIn PDF document text
    • https://laval.gatr.ca/img/etablissements/files/pisekukominefafulipuguzet.pdfIn PDF document text
    • https://bavopubenexe.weebly.com/uploads/1/3/4/6/134678362/kozaletitojibom_makebelesoxivo_zulopibiduz.pdfIn PDF document text
    • https://cambodiaangkorhomestay.com/userfiles/file/zijaranol.pdfIn PDF document text
    • http://alltechsro.cz/files/55244922811.pdfIn PDF document text
    • http://www.next-conseil.fr/wp-content/plugins/formcraft/file-upload/server/content/files/162252fa2e0975---gijepatusinamusikagapet.pdfIn PDF document text
    • https://rojujajaz.weebly.com/uploads/1/3/4/7/134727345/599530.pdfIn PDF document text
    • http://flathead.herosuite.com/userfiles/file/renaman.pdfIn PDF document text
    • http://ellipsisnovel.com/file_space/files/35358846036.pdfIn PDF document text
    • https://kutobuxuvesoga.weebly.com/uploads/1/3/0/7/130740510/fenowepux-jumoki-gujexu-tilopumonowa.pdfIn PDF document text
    • http://chothuexehochiminh.com/userfiles/file/41145757632.pdfIn PDF document text
    • https://autopits-directo.migrupoq.com/ckfinder/userfiles/files/20546681660.pdfIn PDF document text
    • https://linhancomvn.xelinhan.vn/userfiles/file/lomegewodokukejixi.pdfIn PDF document text
    • https://assofmt.org/ckfinder/userfiles/files/xesidojesenejojebokuna.pdfIn PDF document text
    • https://equinox-e.com/upload/UserFiles/file/35673681378.pdfIn PDF document text
    • http://files.ibiza-ferien.de/file/94607580801.pdfIn PDF document text
    • http://www.meditt.com/wp-content/plugins/super-forms/uploads/php/files/e98gqnok5l52mcnee81of2nkf8/93580862301.pdfIn PDF document text
    • https://www.golddustdental.com/wp-content/plugins/formcraft/file-upload/server/content/files/162144ebf7c111---darikeremev.pdfIn PDF document text
    • http://triatlonbizuterie.cz/sites/default/files/file/39275411466.pdfIn PDF document text
    • http://omegabg.net/media/ck/files/razekadoperimasoboditit.pdfIn PDF document text
    • http://asu.com.vn/wp-content/plugins/super-forms/uploads/php/files/jsuvcl696pn6aaudruj1s8qvkd/11758124996.pdfIn PDF document text
    • https://sekeret.com/kcfinder/upload/files/fijis.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

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00011e1f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11E1F 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off00013636.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x13636 11252 bytes
SHA-256: 541058652dcedbfbc6347424e0d36dcbdb77724c0e733d5015e9a8cd65999a17
font_02_sfnt_off00015046.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x15046 17216 bytes
SHA-256: 669d363dc7987eb5ba6f5d0391f716163b3f746b6cef321255fc85a95ca220ec