Malicious PDF — malware analysis report

Static analysis result for SHA-256 84798e24e56a31e7…

MALICIOUS

PDF

72.9 KB Created: 2022-04-07 09:37:49 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-04-06
MD5: 1c39aa7bdb11d867d78791b0bb1cad9a SHA-1: a443c17dfe58d49eeb9927e7484c0c1843f64cf6 SHA-256: 84798e24e56a31e7b695533b6459268c7f20b209ada6bf8a0067a05360bf045d
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9992

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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 http://noithatmfc.com/media/ftp/file/jefidosirazelimeke.pdf In PDF document text
    • https://www.procotech.be/ckeditor/kcfinder/upload/files/soposazeriwasa.pdfIn PDF document text
    • https://zomuzulegi.weebly.com/uploads/1/4/1/2/141287635/sinerobozuz.pdfIn PDF document text
    • https://searchkar.com/ci/userfiles/files/7392574457.pdfIn PDF document text
    • https://rzfmuhasebe.com/userfiles/file/vubexudusi.pdfIn PDF document text
    • http://www.shipsupply.co.mz/wp-content/plugins/formcraft/file-upload/server/content/files/162248044b879d---rukazijunajudezomabuxu.pdfIn PDF document text
    • http://klsele.com/userfiles/file/1646097137.pdfIn PDF document text
    • http://ifaistos.reality.gr/~triantaf/images/file/12070766992.pdfIn PDF document text
    • https://pfhotel.gr/ckfinder/userfiles/files/lovedu.pdfIn PDF document text
    • http://giverny-bkk.com/upload/files/valuduz.pdfIn PDF document text
    • https://reaga.net/js/ckfinder/userfiles/files/gozejipu.pdfIn PDF document text
    • http://oreade-breche.fr/userfiles/file/490101034.pdfIn PDF document text
    • https://lefawiput.weebly.com/uploads/1/3/5/3/135324435/gelebe.pdfIn PDF document text
    • http://www.ppk-kp3k.kkp.go.id/ver2/extra/ckfinder/core/connector/php/media/ckfinder/files/masotus.pdfIn PDF document text
    • http://www.pavimentosyreformasferlu.es/ckfinder/userfiles/files/21475678153.pdfIn PDF document text
    • http://bmfjhjk.friend-match.com/upload/files/suxawulavixutite.pdfIn PDF document text
    • http://wangguanhardware.com/userfiles/file/26728319221.pdfIn PDF document text
    • http://corse.annuaire-regional.com/ckfinder/userfiles/files/xajinipiwujijuzisezedas.pdfIn PDF document text
    • http://infinivideo.hu/sites/infinivideo/files/zakisu.pdfIn PDF document text
    • https://colod.co.za/YmrXLWy8?keyword=95%20s10%20ac%20wiring%20diagramPDF link annotation
    • 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 extracted file (font_00_sfnt_off0000b885.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000b885.bin)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000b885.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB885 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off0000d097.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD097 17016 bytes
SHA-256: 95227a96e7d069c77e5d5a8069363992071cf6e035d82eb35c48f72018f5426a
font_02_sfnt_off0000fd87.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFD87 10784 bytes
SHA-256: 82417ee36b76c52891b34a32b116cb2a94beee5be487e910a81d93264da80de9