Malicious PDF — malware analysis report

Static analysis result for SHA-256 0d310567606d8857…

MALICIOUS

PDF

73.5 KB Created: 2021-11-11 21:28:55 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-14
MD5: b558d3429b4834f6edec9f1a82e8ea52 SHA-1: 2188675e84a951d49c8fc1ef7f097dd4d217cf36 SHA-256: 0d310567606d885788fe098b5101b9fd64abe8c78f43a52feb1b091547356e6e
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://vps73.juicy-group.com/editor_upload_image/file/29776606440.pdf In PDF document text
    • http://letnaterasa.customreal.sk/data/files/sifexumoxapazalenebozud.pdfIn PDF document text
    • http://beergolfers.com/blog/images/file/27208892251.pdfIn PDF document text
    • http://domusanna.it/userfiles/files/budajonamuli.pdfIn PDF document text
    • http://pnktools-th.org/ckfinder/userfiles/files/danilimone.pdfIn PDF document text
    • http://na3.it/misc/file/64570675658.pdfIn PDF document text
    • http://tangiahoang.com/skinkorea/Images_upload/files/56492742826.pdfIn PDF document text
    • http://union-montage.pl/userfiles/file/xelagoxevodijisepi.pdfIn PDF document text
    • http://hart-metale.pl/gimnazjum/userfiles/file/pezusutevugubetudodew.pdfIn PDF document text
    • https://floresdeserrezuela.com/aym_image/files/nebozumibatu.pdfIn PDF document text
    • https://tfpac.com/nbloom/fckuploads/file/vivokonowolowinoxoluwene.pdfIn PDF document text
    • https://ceral.pl/ceral/pliki/file/94488768785.pdfIn PDF document text
    • https://drproperty.in/userfiles/file/20281284615.pdfIn PDF document text
    • http://www.carolglassman.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ace915bbc5---penatefuwebekodupojuv.pdfIn PDF document text
    • http://knupress.com/pds/editor/file/xisuxejejofera.pdfIn PDF document text
    • http://andreevka.topmebli.com/content/xuploadimages/file/dexevafobif.pdfIn PDF document text
    • http://kk-gorenjska.si/uporabnik/file/85410275734.pdfIn PDF document text
    • http://5lovestartw.com/CKEdit/upload/files/22149766179.pdfIn PDF document text
    • http://surtek.biz/image/files/20150426_225042.pdfIn PDF document text
    • https://www.cdscabling.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1615f04012afc0---pekelan.pdfIn PDF document text
    • https://insp.biz/img/file/16538433176.pdfIn PDF document text
    • https://uslugiinzynierskie.eu/eurostyl/photos/file/ruroxuti.pdfIn PDF document text
    • http://studiozammuner.eu/userfiles/files/sarilunamamawug.pdfIn PDF document text
    • http://feedproxy.google.com/~r/Xvkpad/~3/BcFPVxLj4jw/uplcv?utm_term=basic+electrical+engineering+by+bl+theraja+pdf+free+downloadPDF 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_off0000b5e7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB5E7 18332 bytes
SHA-256: 20e0a08f87260de5da8dc3d308a8bca4d01d9c23f2732c0cfed52c85c2d853e2
font_01_sfnt_off0000e64c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE64C 11424 bytes
SHA-256: 5d85fe90aa334191cc2f3dc36a1b28af7cd743b2b213659cbe1e3f9fc828f969
font_02_sfnt_off000100d8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x100D8 16540 bytes
SHA-256: 45015263e28dbf00792e0fa83ae0fb9123af5110209f191c00797c49350166ef

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