Malicious PDF — malware analysis report

Static analysis result for SHA-256 0794accc62a3b4ca…

MALICIOUS

PDF

70.9 KB Created: 2021-02-26 05:17:03 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-10
MD5: 33de6455d347b0ef1abc834cabfd32c2 SHA-1: 98d9f425e2edf7e85a996f7a37d9ad7acb242a9c SHA-256: 0794accc62a3b4ca8632c41e8eec051e84691e3870e2ae51ebcd4d6dee9f3364
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://seumenha.ru/award?keyword=house+drum+beat+ableton PDF link annotation
    • https://cdn.sqhk.co/bupabumo/gjbgeTZ/lixufosi.pdfIn PDF document text
    • https://cdn.sqhk.co/detaludolef/gzcjjhf/8754922122.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4473062/normal_5fff7519a4490.pdfIn PDF document text
    • https://cdn.sqhk.co/mivadunoxo/giMmhgt/48528097267.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4456996/normal_60130b82029c6.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4493876/normal_5ff1e7a2e3801.pdfIn PDF document text
    • https://cdn.sqhk.co/putuziboki/gjLh4MR/39791124848.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4465123/normal_5feb7d39f137e.pdfIn PDF document text
    • http://kafikiwamavo.22web.org/zudulinupetojofukaju.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4502188/normal_5ff650327b60a.pdfIn PDF document text
    • https://cdn.sqhk.co/vonezositixi/ijhaGgh/65790911894.pdfIn PDF document text
    • https://cdn.sqhk.co/nogorodizet/DV5Lgiy/62875039995.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://sokogukuvuxe.rf.gd/snapper_riding_lawn_mower_parts_for_sale.pdfIn PDF document text
    • http://jolavewavesuj.epizy.com/ireport_config_java.pdfIn PDF document text
    • http://xujalev.rf.gd/ach_authorization_form_template.pdfIn PDF document text
    • http://dazenuf.rf.gd/gobopuriritokelejonobizo.pdfIn PDF document text
    • http://magakawigola.epizy.com/98502856088.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://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000db97.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDB97 5072 bytes
SHA-256: c229b0776aec58fc7e43590cef55a6a4d81b3972479af70e8d91b98597c1c530
font_01_sfnt_off0000ecb3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xECB3 10032 bytes
SHA-256: 31ddce750ed2d7898f84b0a723264933e233a5cadab19d8e918772952f344fec