Malicious PDF — malware analysis report

Static analysis result for SHA-256 3dddc1bbeb969d72…

MALICIOUS

PDF

82.2 KB Created: 2021-09-16 15:29:31 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-26
MD5: 42c52336b84dbb42c29ec24ba30de0be SHA-1: edfe243503e79c1c7bfc2329caca168840baa631 SHA-256: 3dddc1bbeb969d7259479e2f08e445def5c4dd3ccd7ee374e5fbf4efa9d8b625
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9911

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://medvor.ru/uplcv?utm_term=p5100+sim+ways PDF link annotation
    • https://middletonchambers.com/ckfinder/userfiles/files/kinekigavarupanab.pdfIn PDF document text
    • https://tennis94.fr/img/pics/files/sirugexebomu.pdfIn PDF document text
    • https://maintogelonline.bet/contents/files/72022702453.pdfIn PDF document text
    • http://fitviewer.com/files/file/kuminamujavalubaj.pdfIn PDF document text
    • http://www.megasaludips.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f58beedf0d---wijoliwilidupevekuvibuk.pdfIn PDF document text
    • http://nyett.hk/uploads/news/files/36949842500.pdfIn PDF document text
    • http://csc025.com/userfiles/file/20210903002514_b950uj.pdfIn PDF document text
    • https://cincia.ro/ckfinder/userfiles/files/50096708490.pdfIn PDF document text
    • https://www.bmo-agencement.fr/ckfinder/userfiles/files/7169797968.pdfIn PDF document text
    • http://llux.vn/uploads/files/65019795719.pdfIn PDF document text
    • https://support-trevianum.nl/userfiles/files/fanisolelekerala.pdfIn PDF document text
    • http://laduses.nl/image/file/47297474365.pdfIn PDF document text
    • https://asigurareingermania.ro/wp-content/plugins/super-forms/uploads/php/files/5rkonvdtn4nh53jj3r0088d1io/vavinudipoxelekujaxe.pdfIn PDF document text
    • http://bafiti.com/sklep/userfiles/file/36316137942.pdfIn PDF document text
    • http://ogledalata.bg/uploads/pages/files/tezikitalukizodidiraxi.pdfIn PDF document text
    • http://wx-test.com/upload/ckimg/files/202109121101032601.pdfIn PDF document text
    • https://assignmentmart.com/ckfinder/userfiles/files/zobolemuzakimibi.pdfIn PDF document text
    • https://slezanie.eu/userfiles/file/wapeguvavemoxepifazarudiz.pdfIn PDF document text
    • http://brmhn.com/userfiles/file/20210913004543_2mdgoo.pdfIn PDF document text
    • http://businessvaluationapp.com/fck_files/file/fujegilojuderodemov.pdfIn PDF document text
    • https://gcr.goldcrownresort.com/magazine_files/files/49702701320.pdfIn PDF document text
    • https://www.jakketoes.be/ckfinder/userfiles/files/pewojupatosorekivowosap.pdfIn PDF document text
    • https://anthonygillant.com/userfiles/file/37852400930.pdfIn PDF document text
    • http://t-eamplus.de/web/editor/files/56989036087.pdfIn PDF document text
    • http://tucholainfo.pl/userfiles/file/jonogeje.pdfIn PDF document text
    • http://wakesup.org/userfiles/file/zanuwuzovekel.pdfIn PDF document text
    • https://mywayrtk.com/userfiles/file/tirepokoturetipa.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_off0000e0b1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE0B1 10180 bytes
SHA-256: 230c6bc5c23c79489a5649baf28059a69e75b87518c0e1aa26246bdf92aa71c1
font_01_sfnt_off0000f7a3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF7A3 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_02_sfnt_off00010fb5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10FB5 16724 bytes
SHA-256: 4862175e98ce4dae2197883ce9866cdae94b8121872f916ff95bdb74ebbc6ad3

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