Malicious PDF — malware analysis report

Static analysis result for SHA-256 94114f5833989877…

MALICIOUS

PDF

93.8 KB Created: 2022-04-26 15:40:12 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-12
MD5: e9818b1156361ad99f69248a4ee26462 SHA-1: 6b444685803ff6e2b4a8b8f89fd9dee7de0186a4 SHA-256: 94114f5833989877e7ecdb6b1d967d60b124edd798a5173e9b69e5e6850c8117
186 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains numerous external links, many hosted on disposable domains, suggesting a link farm designed to redirect users to malicious content. One prominent URL, 'https://mifuj.co.za/YmrXLWy8?keyword=how%20to%20reset%20universal%20garage%20door%20remote', is presented in a way that mimics a search result, likely to entice clicks. The ClamAV detection and ML classifier strongly indicate malicious intent, consistent with a phishing or malware distribution scheme.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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://mifuj.co.za/YmrXLWy8?keyword=how%20to%20reset%20universal%20garage%20door%20remote PDF link annotation
    • http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/1623ea4f6b13bb---55566901381.pdfIn PDF document text
    • http://vngo-cc.vn/cooker/public/files/sixikolesudifenolisamo.pdfIn PDF document text
    • https://vekoduxiboba.weebly.com/uploads/1/3/1/3/131398498/livigutezatufeveke.pdfIn PDF document text
    • http://hotel-ambassador-nice.com/upload/files/15984658205.pdfIn PDF document text
    • http://evo-models.com/uploads/userfiles/files/xibavozizesoda.pdfIn PDF document text
    • http://hotelborgodeipoeti.com/userfiles/files/25331266361.pdfIn PDF document text
    • https://mipabewezodif.weebly.com/uploads/1/3/5/3/135315693/bejos.pdfIn PDF document text
    • https://xedutorapul.weebly.com/uploads/1/3/0/8/130813372/3493914.pdfIn PDF document text
    • https://vomavuvet.weebly.com/uploads/1/3/4/6/134667173/sunubexilib.pdfIn PDF document text
    • https://lexikusu.weebly.com/uploads/1/3/1/4/131438729/fokude.pdfIn PDF document text
    • https://fumimukewagur.weebly.com/uploads/1/3/5/3/135321221/6797459.pdfIn PDF document text
    • https://dixawofira.weebly.com/uploads/1/3/5/3/135303501/sefiwuxufofo-japudulo-zesoxusuv-finakagun.pdfIn PDF document text
    • http://gurolmumcu.com/userfiles/file/35196972352.pdfIn PDF document text
    • http://www.pacautomarketing.com/file/4202680332.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_off00010ab9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10AB9 10836 bytes
SHA-256: bc4647245b3a7f06e39afc90baa6f0ac7ccad9086697c386fd6fa83b25fc0300
font_01_sfnt_off00012387.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12387 17232 bytes
SHA-256: 195e73b81d920979e1397b57d174287311cfbb15b7b4c6c91926040825ed0bc8
font_02_sfnt_off0001507b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1507B 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1

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