Malicious PDF — malware analysis report

Static analysis result for SHA-256 cd77188d0cf4773f…

MALICIOUS

PDF

79.9 KB Created: 2022-04-30 17:33:58 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-19
MD5: b51d6dde003e4ef61f2930c51e05cf4e SHA-1: 92a89520bda9751d84a71bad4e6cb0b2e263e86a SHA-256: cd77188d0cf4773f48b95e7c0ba9c5975ce25dcd29e27e7cd2e1d0c0e58fdbd4
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9992

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://colod.co.za/YmrXLWy8?keyword=ar%20blue%20clean%201850%20reviews PDF link annotation
    • http://adamstore.medianet-shop.de/userfiles/editor_files/file/61434195774.pdfIn PDF document text
    • https://www.landalastadservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16230528512406---dosusa.pdfIn PDF document text
    • http://nhanvietgroup.com/demo/xay-dung-tnx/upload/files/benozagejumek.pdfIn PDF document text
    • http://law885995.com/upload/fckimages/file/72393722505.pdfIn PDF document text
    • http://dragoniresorts.com/userfiles/29461862177.pdfIn PDF document text
    • http://choinka4x4.org/cms/files/file/fuzupamizebaxeve.pdfIn PDF document text
    • https://propactionvehiclesuk.tv/userfiles/files/83842886168.pdfIn PDF document text
    • http://erpsamik.com/ckfinder/userfiles/files/23770093578.pdfIn PDF document text
    • https://hoffenegypt.com/userfiles/file/43168837399.pdfIn PDF document text
    • http://studioingtassinari.eu/userfiles/files/6105873035.pdfIn PDF document text
    • https://jemifegitutelez.weebly.com/uploads/1/4/1/3/141393948/6445627.pdfIn PDF document text
    • http://nsmpublicschool.org/slbdavbatala/userfiles/file/mivomivorobogufaziz.pdfIn PDF document text
    • https://muvutuvosonoga.weebly.com/uploads/1/4/1/3/141336361/zujujat.pdfIn PDF document text
    • https://buvefejam.weebly.com/uploads/1/3/1/4/131453018/5746267.pdfIn PDF document text
    • http://solarwindependence.com/ckfinder/userfiles/files/rejeba.pdfIn PDF document text
    • http://amanetauto.eu/kcfinder/upload/files/xajilekepozejesasutab.pdfIn PDF document text
    • https://caffetravel.travelshops.pl/userfiles/file/notegukegetupokewejitide.pdfIn PDF document text
    • http://uralteplostroy.ru/content/file/sazorobijebanonatu.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_off0000d273.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD273 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off0000ea85.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEA85 18020 bytes
SHA-256: 01bc322259d485d15a56bab472a4d39235f3727f03003730d3aa737ef28f933a
font_02_sfnt_off0001198d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1198D 10892 bytes
SHA-256: 6f7bc7fc4da0f4c35de051435acdded03bc7320775b7bf5da91f031382773c4b