Malicious PDF — malware analysis report

Static analysis result for SHA-256 191232f7bff7fd23…

MALICIOUS

PDF

75.5 KB Created: 2022-04-09 09:14:17 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-22
MD5: 9ae00a8a5027c44f7cae3403abd79457 SHA-1: a745576e1e61b9a92d6042fd1025b07e04aec117 SHA-256: 191232f7bff7fd23101bfed105290cc31481ba9365efb8684e3d641a4bcae8b3
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9991

Heuristics 6

  • 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 contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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://norin.co.za/YmrXLWy8?keyword=why%20won PDF link annotation
    • https://xetiwokew.weebly.com/uploads/1/3/4/7/134741649/2f59129bb.pdfIn PDF document text
    • http://agrariusnet.hu/admin/ckeditor/kcfinder/upload/files/13444468097.pdfIn PDF document text
    • http://nail-free.com/ckfinder/userfiles/files/janusipafeki.pdfIn PDF document text
    • https://mn-lawfirm.com/box/userfiles/file/jomazusarajevusokagige.pdfIn PDF document text
    • http://le-lemniscus-incandescent.fr/ckeditor/upload/files/gakabemovisarijojonuso.pdfIn PDF document text
    • https://novomuzedideb.weebly.com/uploads/1/3/1/4/131406537/litomukalazo_limozup.pdfIn PDF document text
    • https://rajomiluti.weebly.com/uploads/1/3/2/6/132682989/6977949c5c6fb.pdfIn PDF document text
    • http://gnmh.rene-mense.de/fckeditor_files/file/xejuzasazasu.pdfIn PDF document text
    • https://xoliguzi.weebly.com/uploads/1/3/4/2/134265359/6900617.pdfIn PDF document text
    • https://rawewarox.weebly.com/uploads/1/3/1/3/131379085/moxeweposed-bovemifuri-lilifemi.pdfIn PDF document text
    • http://stickers-moins-cher.com/userfiles/stickers-moins-cher.com/file/92632863594.pdfIn PDF document text
    • http://trailerdepot.ca/site-uploads/7720135842.pdfIn PDF document text
    • https://gesinanafu.weebly.com/uploads/1/3/4/4/134481382/4193277.pdfIn PDF document text
    • https://digeforoxega.weebly.com/uploads/1/3/4/6/134668277/2930795.pdfIn PDF document text
    • https://ritexonag.weebly.com/uploads/1/4/1/3/141376105/futaboj-gopopapabutudox-fabufura.pdfIn PDF document text
    • http://re-ezumi.com/admin/kcfinder/upload/files/logewukomirifukako.pdfIn PDF document text
    • http://silexsys.com/ckeditor/kcfinder/upload/files/82100416288.pdfIn PDF document text
    • https://fimudelowuj.weebly.com/uploads/1/3/1/4/131455024/8570324.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_off0000c28b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC28B 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off0000da9d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDA9D 17076 bytes
SHA-256: 4e1dbdc0e706c95000e8e14fcbdde2bd45c9e711c12ee511aa08e6402ad7e14e
font_02_sfnt_off00010745.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10745 11060 bytes
SHA-256: 77d553b26af7a5201eda0e01addfeed1133769300673046fd2023bdc880c4537

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