Malicious PDF — malware analysis report

Static analysis result for SHA-256 cb80664f8b50ea26…

MALICIOUS

PDF

76.0 KB Created: 2022-04-08 00:33:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-05-09
MD5: 3d102d8b994837bf680f2384ec9fa023 SHA-1: e1d44d3f3249adc637ec157da5459f8d4b065feb SHA-256: cb80664f8b50ea26650b06a5f46375e701d89339c67015ea795e732b9eff2fa9
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9989

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://vulotimemoje.weebly.com/uploads/1/3/4/8/134846769/buxisatok.pdf In PDF document text
    • http://xn--jt2b56wn0ap2a.com/upload/file/202203090645403336.pdfIn PDF document text
    • http://dd-eng.com/files/files/76947779480.pdfIn PDF document text
    • http://unicaconsultoriarh.com/images/files/33981393597.pdfIn PDF document text
    • http://pastoret.it/userfiles/files/22183801919.pdfIn PDF document text
    • http://qlinairnv.be/userfiles/file/41442058144.pdfIn PDF document text
    • https://xuvaguwofivopi.weebly.com/uploads/1/3/4/4/134463587/4020291.pdfIn PDF document text
    • http://satyamtracparts.com/userfiles/file/mudigezoxebedosikasusu.pdfIn PDF document text
    • https://kenafidoragakox.weebly.com/uploads/1/3/1/8/131856022/tiradifana.pdfIn PDF document text
    • https://generace89.cz/kcfinder/upload/files/7180827353.pdfIn PDF document text
    • https://pod-jaskolka.pl/files/files/zugigokujopupipifige.pdfIn PDF document text
    • https://cmri.ckbirlahospitals.com/controlpanel/kcfinder/upload/files/xemizuvakanodutik.pdfIn PDF document text
    • http://sarahscupcakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/16236744139e2e---56834623791.pdfIn PDF document text
    • https://rifubagozoj.weebly.com/uploads/1/3/2/6/132695416/1996764.pdfIn PDF document text
    • http://ankurgroups.com/userfiles/file/42800338249.pdfIn PDF document text
    • https://mannoorpally.com/uploads/file/56366708551.pdfIn PDF document text
    • http://www.velkoobchod-man.eu/ckfinder/userfiles/files/67356837661.pdfIn PDF document text
    • https://gizetaxawu.weebly.com/uploads/1/3/1/8/131871526/regadeba.pdfIn PDF document text
    • http://doicoffee.co.jp/js/kcfinder/upload/files/34614930720.pdfIn PDF document text
    • https://manorhair.com/uploads/files/202202111200403783.pdfIn PDF document text
    • https://loan-financial.com/wp-content/plugins/super-forms/uploads/php/files/1072a40118e97b921370eb7ed848b5db/rudevalumotilijijo.pdfIn PDF document text
    • http://old.muzeum-ak.pl/newsysn/kcfinder/upload/files/66978854230.pdfIn PDF document text
    • https://sunuf.co.za/YmrXLWy8?keyword=how%20to%20get%20diablo%20immortalPDF 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_off0000c498.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000c498.bin)

Related samples 2

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_off0000c498.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC498 10536 bytes
SHA-256: 21ce335fe249b66fff5fdb6dcad10be107dd3400e6d7b8ed01201f3e17a07060
font_01_sfnt_off0000dc66.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDC66 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_02_sfnt_off0000f478.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF478 17124 bytes
SHA-256: f0c79877777b51fa6a3b6ef972567203ce8b5ebb9a91bb06a35481b6e3d7c744

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