Malicious PDF — malware analysis report

Static analysis result for SHA-256 3dd16a3d7d2dae60…

MALICIOUS

PDF

78.3 KB Created: 2021-10-09 15:19:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-26
MD5: 646bf1976a59e85c6ec7d7db52803e66 SHA-1: 1df46515ad145e1777d0477a1cab2dd753637a6c SHA-256: 3dd16a3d7d2dae60cd050b5e0ee3be7b20a57a1962ab4ea7af3cbb7360a1bde2
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9975

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://irlanc.ru/uplcv?utm_term=platinum+coin+price+today PDF link annotation
    • http://shopgraeagle.com/ckeditor/uploads/files/zutovufinofasubela.pdfIn PDF document text
    • http://raczcsalad.hu/files/gudagevedud.pdfIn PDF document text
    • http://ministryofrum.com/memlogos/file/35618439798.pdfIn PDF document text
    • http://vina2002.com/uploads/files/katodopawerokekoruvedefo.pdfIn PDF document text
    • http://www.yemany.com/yemfiles/files/59466373913.pdfIn PDF document text
    • https://latrinquette.com/upload/editor/file/katazinimapasedilomi.pdfIn PDF document text
    • http://3gr-group.com/ci/userfiles/files/63252525303.pdfIn PDF document text
    • http://we-women.de/default/files/uploads/file/51978546158.pdfIn PDF document text
    • https://implant-drill.com/userfiles/file/77667260132.pdfIn PDF document text
    • https://relans-nn.ru/images/docs/file/tekopemawix.pdfIn PDF document text
    • http://rcsiprojectracker.com/userfiles/files/61807830141.pdfIn PDF document text
    • http://progettogeometra.it/userfiles/files/nipasaxixekeru.pdfIn PDF document text
    • http://czpohledavky.cz/userfiles/files/sazagatamisifudeko.pdfIn PDF document text
    • http://interface-referencement.com/userfiles/file/39692289106.pdfIn PDF document text
    • https://drivetripper.com/userfiles2020/files/46746423845.pdfIn PDF document text
    • http://n2nnetworks.com/files/others/52656832931.pdfIn PDF document text
    • http://bukharaalpharetta.com/sites/default/files/file/gowuwa.pdfIn PDF document text
    • https://psfund.org/public/uploads/files/cms_files/48765518085.pdfIn PDF document text
    • http://evolution-dev.com/file_media/file_image/file/babupavud.pdfIn PDF document text
    • https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/li4uuuesr3actjtbbhqlf3hd7l/kowujopetojumowix.pdfIn PDF document text
    • http://shrlie.com/upload_fck/file/2021-9-7/20210907005528170697.pdfIn PDF document text
    • http://ty-int.com/files/files/52568496345.pdfIn PDF document text
    • http://abpaluso.com/upload/file/70297425991.pdfIn PDF document text
    • https://grandhotelbulgaria.com/userfiles/file/kefejovumotakak.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_off0000c9a1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC9A1 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off0000e1b8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE1B8 10720 bytes
SHA-256: 16549933a47836b7e31e67a56d08aeec4fe546f47f6c74e362e50e2494eeebbc
font_02_sfnt_off0000fa4a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFA4A 18756 bytes
SHA-256: 74ddb1c1608f9eeee752687da5c4de65ace8abef58362ebcb9688a8b4cc21032

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