Malicious PDF — malware analysis report

Static analysis result for SHA-256 2b6e4f7d557a7a04…

MALICIOUS

PDF

111.1 KB Created: 2022-04-08 15:43:50 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-17
MD5: 6ce1e91b3502db09a440ada96de14d16 SHA-1: 945c81c3b745ea5cdcc040626c526d00c6a13665 SHA-256: 2b6e4f7d557a7a04ef26e83bb33c6bc3a3597b6d13894cc190df9e6cf2753e94
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9965

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
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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://loheb.co.za/YmrXLWy8?keyword=core%20java%20se%209%20for%20the%20impatient%202nd%20edition%20pdf%20github PDF link annotation
    • http://kolesnikov.pro/ckfinder/userfiles/files/lazaturugabomaxurila.pdfIn PDF document text
    • https://pisolani.weebly.com/uploads/1/3/4/6/134668870/bozuviguzixaro_xifowuraro.pdfIn PDF document text
    • https://jebepagugiloder.weebly.com/uploads/1/3/4/3/134366919/zekasiligopoj.pdfIn PDF document text
    • https://fazijexin.weebly.com/uploads/1/3/2/7/132741066/devalorusof-jutepovabeba.pdfIn PDF document text
    • https://pomixorum.weebly.com/uploads/1/3/1/6/131606605/c68b6ac0fff5df5.pdfIn PDF document text
    • http://www.pataniforum.com/admin/jquery/ckfinder/userfiles/files/xuliweson.pdfIn PDF document text
    • http://znsedu.net/admin/ckeditor/kcfinder/upload/files/tisujekopolikesa.pdfIn PDF document text
    • http://purofirstli.net/userfiles/file/71264077529.pdfIn PDF document text
    • https://zonisobeb.weebly.com/uploads/1/3/4/3/134333784/zapoludama.pdfIn PDF document text
    • https://tumebadov.weebly.com/uploads/1/3/4/8/134863232/2517b3a.pdfIn PDF document text
    • https://nevedaroxizewav.weebly.com/uploads/1/3/4/5/134592578/2e3f4c3.pdfIn PDF document text
    • https://tatajojaboxu.weebly.com/uploads/1/3/4/0/134040665/76fffd4.pdfIn PDF document text
    • https://tavurusifuta.weebly.com/uploads/1/3/0/7/130740255/6133826.pdfIn PDF document text
    • http://someteme.com/archivos/_20220217220824.pdfIn PDF document text
    • https://xisulufi.weebly.com/uploads/1/3/4/8/134870666/6064434.pdfIn PDF document text
    • http://zamdq.com/filespath/files/20220220084719.pdfIn PDF document text
    • https://bonagimeduvutup.weebly.com/uploads/1/3/1/4/131453121/5993743.pdfIn PDF document text
    • https://xigologilajuveb.weebly.com/uploads/1/3/4/6/134672854/6d9a69fdef2436f.pdfIn PDF document text
    • https://nrsa.tj/nrsa_system/ckeditor/kcfinder/upload/files/53110531695.pdfIn PDF document text
    • http://www.otevrenysklep.cz/ckfinder/userfiles/files/53547097665.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000da10.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDA10 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off0000f227.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF227 11652 bytes
SHA-256: 26c421456b919b9a2ed4ec76154802be6b4bc67e9f8547e16556e42ce920da83
font_02_sfnt_off00010d5b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10D5B 18148 bytes
SHA-256: 220b1c8c701af8e98c8ea21559246ccc35bc04b14e419cdd1147c0e317d9ec77
font_03_sfnt_off00013c7e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x13C7E 43044 bytes
SHA-256: 4c9491c6c0c37c7449d58fa9eb126cff0bd68b4739cfb09a485a48008fbe796e

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