Malicious PDF — malware analysis report

Static analysis result for SHA-256 2b6a6fb4c0251c98…

MALICIOUS

PDF

69.6 KB Created: 2021-10-03 18:48:56 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-17
MD5: 06085e5cecf2a8e326d0558a5f275366 SHA-1: 0a2a07abb48c2e1a8b9f2be09453083d851e5a91 SHA-256: 2b6a6fb4c0251c98496ae2aa6e00582f4487e8ebb8ffb6d8635d71fc8dfc492e
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9956

Heuristics 5

  • 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 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://frezerovka.by/images/fxeditor/file/bilelokivibakawo.pdf In PDF document text
    • http://tiszaladany.hu/upload/file/56832740194.pdfIn PDF document text
    • https://ketgate.eu/wp-content/plugins/super-forms/uploads/php/files/75ebe4bea758858bc17720d559259201/kijobiwelutamezaxivez.pdfIn PDF document text
    • http://senvietsystem.com/ckeditor/upload/files/wizifok.pdfIn PDF document text
    • http://xn--80aafmoni2biho.xn--p1ai/admin/ckfinder/userfiles/files/64840006792.pdfIn PDF document text
    • http://weiddy.com/uploads/files/202109120226071195.pdfIn PDF document text
    • https://hankilfood.com/upfile/files/58839165908.pdfIn PDF document text
    • http://mskabel.cz/UserFiles/File/60859921332.pdfIn PDF document text
    • http://hutbephottaihaiphong24h.com/upload/files/33308188213.pdfIn PDF document text
    • https://fiberglasssupplydepot.com/userfiles/files/ruribemivawo.pdfIn PDF document text
    • http://ephtour.com/FileData/ckfinder/files/20210929_18A95BF60502E0F0.pdfIn PDF document text
    • http://minisadik-margaritka.ru/admin/ckfinder/userfiles/files/lefitelikezewaxuxitufe.pdfIn PDF document text
    • http://195exim.com/datas/files/zejalenogoluzopowopexo.pdfIn PDF document text
    • http://lasermedia.cn/userfiles/file/povevepazikofaduligup.pdfIn PDF document text
    • http://ricarda-allegra.de/userfiles/file/rarovazalorepokumaliwof.pdfIn PDF document text
    • http://mayinmaunhat.com/upload/files/38895944922.pdfIn PDF document text
    • http://isystemlab.com/admin/ckfinder/userfiles/files/ropagevewesorirorizunixu.pdfIn PDF document text
    • https://yournew.site/wp-content/plugins/super-forms/uploads/php/files/5lfduk7ekos4p82r1qkkbefj5c/wukob.pdfIn PDF document text
    • https://stcc-sa.com/motakamel/Ups/files/nomumaku.pdfIn PDF document text
    • http://kfbma.org/files/fck/file/guxubexoravajapitagusi.pdfIn PDF document text
    • https://10s317.com/uploads/files/202109100348319211.pdfIn PDF document text
    • http://daithanhnam.com/upload/files/motevomulavom.pdfIn PDF document text
    • http://mayinmaunhat.com/upload/files/kabege.pdfIn PDF document text
    • https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=conv+kg+to+lbsPDF 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 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_off0000b01b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB01B 10128 bytes
SHA-256: 58a6fb542b517e54938137e935a5916c1a75eb933b6b7485af20d5013b20c427
font_01_sfnt_off0000c6e9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC6E9 16480 bytes
SHA-256: fe63c6de6f328dd7a8092b57331460f0d14310cab5899dc98a5a487457d3acad
font_02_sfnt_off0000f11b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF11B 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1

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