Malicious PDF — malware analysis report

Static analysis result for SHA-256 5d85ff66196e1277…

MALICIOUS

PDF

75.9 KB Created: 2021-10-10 11:37:07 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-18
MD5: e15ddfea54718956d8129715fef43014 SHA-1: 07423375da9482685c51713784389f7e00c6424f SHA-256: 5d85ff66196e1277c96d3124d43e566a356895fa96f925c3affb6b31ec0d4630
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9950

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://archism.ru/uplcv?utm_term=slim+meaning+in+bengali PDF link annotation
    • http://studiosantese.eu/userfiles/files/dewibefumexuvaleb.pdfIn PDF document text
    • http://gdlejia.com/uploadfile/files/20210910_085645.pdfIn PDF document text
    • https://s-h.cc/uploads/files/202109221056014256.pdfIn PDF document text
    • http://yarpb.ru/pic/userfile/71176388284.pdfIn PDF document text
    • http://holdemigny.fr/ckfinder/userfiles/files/misoxupuduponexo.pdfIn PDF document text
    • http://peetersinstallatietechniek.nl/upload/files/dodiwarizuxovudegomuz.pdfIn PDF document text
    • http://shangrilatheshow.com/ckfinder/userfiles/files/lawipinu.pdfIn PDF document text
    • https://oykufestivali.com/ckfinder/userfiles/files/xefubukekoveturibatuwupu.pdfIn PDF document text
    • https://hrmconsulting.biz/upload/files/jeginajifisodapifanawano.pdfIn PDF document text
    • http://happysmilecard.com/uploads/files/gezalapopexekiboze.pdfIn PDF document text
    • http://xn--80aa5alfu.kz/file/93591445653.pdfIn PDF document text
    • http://dakhoanhanai.com/images/files/47345349739.pdfIn PDF document text
    • http://cck-brno.cz/ckfinder/userfiles/files/waboza.pdfIn PDF document text
    • http://easyhypermarket.com/userfiles/file/nizino.pdfIn PDF document text
    • http://petukmahaaaraj.com/userfiles/file/jerosipabodoxinibodagu.pdfIn PDF document text
    • http://energcomb.net/cms_enercomb/sgi_userfiles/userfiles/files/56619304739.pdfIn PDF document text
    • https://victory-agency.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136bb6168cac---zokoladikozi.pdfIn PDF document text
    • http://biomax.shop/filespath/files/20210906201303.pdfIn PDF document text
    • https://krygina40.ru/UserFiles/File/zasogimume.pdfIn PDF document text
    • https://mai-avto.ru/upload_files/file/28581007994.pdfIn PDF document text
    • https://cabsfromheathrow.com/userfiles/file/26059208263.pdfIn PDF document text
    • http://potentialdesign.cn/userfiles/file/1632364018.pdfIn PDF document text
    • http://kdesignuk.com/userfiles/files/busowajojaranun.pdfIn PDF document text
    • http://2girlstrippin.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615af7a1a1d25---25167358098.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 PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_006_off00010a32.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x10A32 16668 bytes
SHA-256: 6c00ceac780d3f422ddef1c614ceb0fce5064fd832f35bc1808fe21ba17941ab
font_00_sfnt_off0000b282.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB282 16172 bytes
SHA-256: ac5f4ae7c908a415f5ffb6199e4590683037a5ace791b69d1ce2a6142159a544
font_01_sfnt_off0000db66.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDB66 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_02_sfnt_off0000f37d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF37D 10180 bytes
SHA-256: f89567ded37b6fdf1bfe71e4865d19c7c040a44da770ee07007da57acf1c6999

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