Malicious PDF — malware analysis report

Static analysis result for SHA-256 782bdfc5c73de16c…

MALICIOUS

PDF

80.8 KB Created: 2021-11-01 20:53:33 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-16
MD5: a6b0ca78c946cb74ff4736be5725c8e8 SHA-1: 7b26d429ec15b71d2c1bf4d2e352b1944c89b7a5 SHA-256: 782bdfc5c73de16c692012edce3ca34e835696a1d5bf7b7d92995e826f546f7a
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9960

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://myucpb.com/userfiles/file/lidirabozefonigowutekut.pdf In PDF document text
    • http://licausi.it/userfiles/files/3665081744.pdfIn PDF document text
    • http://kunbot.com/upload/files/kuralomotatanikuvawaxum.pdfIn PDF document text
    • https://sieuthimayphat.com/ckfinder/userfiles/files/xasegevel.pdfIn PDF document text
    • https://santevita-bg.com/ckfinder/userfiles/files/41079295475.pdfIn PDF document text
    • http://secretinvitation.net/images/files/wutogozarademinesona.pdfIn PDF document text
    • http://pnlestari.com/visitbali/image/files/11430058547.pdfIn PDF document text
    • http://studiotecnicofrisoli.com/userfiles/files/dujefokinitosep.pdfIn PDF document text
    • http://sgrdpandher.com/userfiles/file/2029665573.pdfIn PDF document text
    • http://wamaeassociates.com/images/uploads/originals/file/92848063262.pdfIn PDF document text
    • http://kukdae.com/files/fckeditor/file/49700703272.pdfIn PDF document text
    • http://wagnerpc.com/userfiles/files/87197375528.pdfIn PDF document text
    • http://globalsublimation.net/uploadfile/files/84880818941.pdfIn PDF document text
    • http://websteravelandscaping.com/editorData/file/42192464755.pdfIn PDF document text
    • https://vizesblokk.hu/files/file/suton.pdfIn PDF document text
    • http://seeweb.ciscoxmlservices.com/img/temp/file/52507701595.pdfIn PDF document text
    • https://jjcfurnituremaker.com/userfiles/files/46915719840.pdfIn PDF document text
    • https://www.scmsgroup.org/ckfinder/userfiles/files/fadikuli.pdfIn PDF document text
    • https://mmoxx.mn/userfiles/files/kefabefovikoput.pdfIn PDF document text
    • http://fra2ange.it/userfiles/files/27113642442.pdfIn PDF document text
    • http://testsitehq.com/ckeditor-ckfinder-integration/uploads/files/wimezadem.pdfIn PDF document text
    • http://fencefactoryny.com/userfiles/file/diliwofovudulajipaponomop.pdfIn PDF document text
    • http://studioprogettoarchitettura.eu/userfiles/files/87075368812.pdfIn PDF document text
    • http://feedproxy.google.com/~r/Xvkpad/~3/Z3ufxtS7Wvw/uplcv?utm_term=unidentified+flying+projectPDF 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_off0000d824.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD824 17316 bytes
SHA-256: 883cffc5a4674f73436bb45dd759f28b774b43d4b1df498a27cb83c00ab3ec34
font_01_sfnt_off0001052e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1052E 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_02_sfnt_off00011d45.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11D45 10716 bytes
SHA-256: 09f8a581a468d8371d22a16b19950262272d4272bba968a4cced7b5a580fa6f4

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