Malicious PDF — malware analysis report

Static analysis result for SHA-256 cb8625725b37538d…

MALICIOUS

PDF

74.0 KB Created: 2022-04-16 07:32:51 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-05-09
MD5: 3e8dec74865a2c3b3486a64340b0e025 SHA-1: 211c87f6f1e1fd0db146e4b8f3d728b2243ee738 SHA-256: cb8625725b37538d67d0325fc3a157ccbded356fdbc50a039f678582031bac6e
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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 https://argekaucuk.com/nbg/upload/files/melatorabunorimi.pdf In PDF document text
    • https://xuviwutub.weebly.com/uploads/1/3/4/6/134697068/lewujosenavoz-kivufunasad-bojitoxetesig-gatowifuvomu.pdfIn PDF document text
    • http://pokorny-podlahy.cz/UserFiles/File/84497374964.pdfIn PDF document text
    • https://filharmonie-brno.posilatko.cz/files/wswg/files/mojageberofalovi.pdfIn PDF document text
    • http://caratow.be/userfiles/file/zubonubamerabu.pdfIn PDF document text
    • https://e-s-c.fr/lib/ckeditor/kcfinder/upload/files/raxejotozu.pdfIn PDF document text
    • https://generalaudit.pl/eurostyl/photos/file/lejadofen.pdfIn PDF document text
    • https://nafuginanosuja.weebly.com/uploads/1/3/4/5/134598664/xabogaxo.pdfIn PDF document text
    • https://konferencia2013.medius.sk/userfiles/file/3597293793.pdfIn PDF document text
    • http://janjoling.com/public/ckfinder/userfiles/files/lemixiguxivibuxaved.pdfIn PDF document text
    • https://napokepuwaju.weebly.com/uploads/1/3/1/1/131164128/vedebugidodo_welima_limeredavupit.pdfIn PDF document text
    • http://www.mtpartnersfl.com/wp-content/plugins/formcraft/file-upload/server/content/files/1624d8d10a53cf---31268030417.pdfIn PDF document text
    • http://as-eng.biz/userfiles/file/44616248860.pdfIn PDF document text
    • https://dukotilelufib.weebly.com/uploads/1/4/1/4/141406781/7825007.pdfIn PDF document text
    • http://www.tokyomagic.jp/images/library/File/fibisonozuselifowojed.pdfIn PDF document text
    • https://laduvozonos.weebly.com/uploads/1/3/1/4/131408864/8bca9e194bd55.pdfIn PDF document text
    • http://syscall.com.tr/panel/kcfinder/upload/files/71588067197.pdfIn PDF document text
    • https://ginuviwimoxu.weebly.com/uploads/1/3/6/0/136098452/sepozuko.pdfIn PDF document text
    • https://kiradaropamun.weebly.com/uploads/1/3/1/0/131070158/4214947.pdfIn PDF document text
    • https://ddnepal.com/assets/userfiles/files/birugajomowifukejotowur.pdfIn PDF document text
    • https://get-insurance.in/ckfinder/userfiles/files/55351069478.pdfIn PDF document text
    • https://fecuq.co.za/YmrXLWy8?keyword=what%20is%20the%20system%20analysis%20and%20designPDF link annotation
    • https://bilgepen.com/panel/kcfinder/upload/files/lirid.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 extracted file (font_00_sfnt_off0000c09b.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000c09b.bin)

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000c09b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC09B 10580 bytes
SHA-256: be8268f954be871610aa30b354c7fc2fcf45628c173990644fbfdb3fae85882d
font_01_sfnt_off0000d859.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD859 16296 bytes
SHA-256: c799b2ac4bb8962b62f943792dd2aba7307fdfb8cbfbf86a4ecd1782184f2b21
font_02_sfnt_off0001025d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1025D 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1

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