Malicious PDF — malware analysis report

Static analysis result for SHA-256 f9993bd186057857…

MALICIOUS

PDF

68.2 KB Created: 2021-09-27 18:10:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-13
MD5: 3cae4ded75b5456068ba9c10da9b1c7c SHA-1: 0e0630d7cb9bacab03110337f02f301f55b52384 SHA-256: f9993bd186057857996d943783ef9878f35709c8ad669ad102662693b0639940
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9952

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://ketchas.ru/uplcv?utm_term=watch+dogs+android+theme PDF link annotation
    • http://madmojo.com/fckupload/file/jowiv.pdfIn PDF document text
    • https://coachtourbusrental.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613fd8a54b6d1---98115041233.pdfIn PDF document text
    • http://angelcabrera.com/FCKfiles/file/jejojatabawudan.pdfIn PDF document text
    • http://ocean-ex.com/images/blog/file/sowizukiru.pdfIn PDF document text
    • https://slavica.ru/wp-content/plugins/super-forms/uploads/php/files/87cdfced3c5df119adf6ede1f148c0b8/xikavisukojovixaxakuseto.pdfIn PDF document text
    • http://abworder.com/uploads/files/zunakekajuvewebuw.pdfIn PDF document text
    • https://valergences.fr/userfiles/file/rejebokivux.pdfIn PDF document text
    • http://craft-personal.de/userfiles/file/fotawa.pdfIn PDF document text
    • https://olgunbey.com/upload/ckfinder/files/pawojanoz.pdfIn PDF document text
    • https://www.potravinyav21.cz/ckfinder/userfiles/files/kefujivurugit.pdfIn PDF document text
    • https://zagorjeadventureteam.hr/files/zagosodope.pdfIn PDF document text
    • http://rafaelstore.ru/upload/files/koxoda.pdfIn PDF document text
    • http://domosplast.hu/files/file/85796838516.pdfIn PDF document text
    • https://castilloexterior.es/ckfinder/userfiles/files/90012521144.pdfIn PDF document text
    • http://zpkprzemysl.pl/ckfinder/userfiles/files/61713848451.pdfIn PDF document text
    • http://fujavietnam.com/images/Download/29098057702.pdfIn PDF document text
    • http://orel-trinity.ru/sites/default/files/file/96467962646.pdfIn PDF document text
    • http://siamsnail.com/media/userfiles/files/lujegiki.pdfIn PDF document text
    • http://lmtechsolution.com/userfiles/77343804787.pdfIn PDF document text
    • http://www.mostenpo.jp/userfiles/files/43687524291.pdfIn PDF document text
    • https://iwanbim.iwan.co/userfiles/files/77501594441.pdfIn PDF document text
    • http://dreambeauty.kr/upload/fckeditor/file/57547741671.pdfIn PDF document text
    • http://i-tos.com/userData/board/file/xasuper.pdfIn PDF document text
    • https://civilkontroll.hu/uploads/file/43014877571.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000ad59.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xAD59 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off0000c570.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC570 10764 bytes
SHA-256: b4787ec3329d6c348977deb09715583dfbab2b1fdd6b639f7f0a6e1558ee9ac1
font_02_sfnt_off0000dddb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDDDB 15060 bytes
SHA-256: 3a67cf6da894d6835a09875cc8ac8b3a7a5622ed994dbde1f3d45a10e0ff33f0

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