Malicious PDF — malware analysis report

Static analysis result for SHA-256 d00bd48ddeeacd8b…

MALICIOUS

PDF

71.3 KB Created: 2021-02-26 12:42:22 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: b6b7f1c2933cca7ada23ca86a150563c SHA-1: 2cb0cc80eeaa32a5daa7b760913bcb2391b6a65d SHA-256: d00bd48ddeeacd8b241e37e8b446f665315385854d5445e414fc58f58e4ff887
206 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 7

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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.
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
  • 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://baarspo.ru/wix?keyword=north+valley+football+league PDF link annotation
    • http://twoup-viktoria.online/tabedaxizaguviziberora2op.pdfIn PDF document text
    • http://sowopezamiw.medianewsonline.com/what_does_seasonal_employee_mean.pdfIn PDF document text
    • http://gromstroy.com/119495253710b4fn.pdfIn PDF document text
    • https://cdn.sqhk.co/vaxarogajib/sFkg4ha/fr_legends_car_pack_apk.pdfIn PDF document text
    • http://vykupavto54.ru/vertex_form_graph_calculatorslnun.pdfIn PDF document text
    • https://cdn.sqhk.co/rijujonakuje/EEPigtB/66908156067.pdfIn PDF document text
    • https://jovikuveditowe.weebly.com/uploads/1/3/0/8/130874612/gewelowedexo-kisolofaterukab.pdfIn PDF document text
    • https://bemetezebore.weebly.com/uploads/1/3/4/8/134882820/af2d4f1.pdfIn PDF document text
    • https://cdn.sqhk.co/runudori/hdkRjfG/bricks_and_balls_rules.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4486215/normal_5ff6d385a5c38.pdfIn PDF document text
    • http://douchelabs.xyz/avabel_lupinus_build_guidemyxq3.pdfIn PDF document text
    • https://cdn.sqhk.co/kadeposamo/jj4OtYw/63211233795.pdfIn PDF document text
    • https://cdn.sqhk.co/vovewotutal/haAqWic/66559673226.pdfIn PDF document text
    • https://cdn.sqhk.co/salavogi/jj1rWzS/25596598746.pdfIn PDF document text
    • https://murarukaxew.weebly.com/uploads/1/3/4/6/134666391/4711733.pdfIn PDF document text
    • https://cdn.sqhk.co/sizozizaj/bifQsgi/knock_down_texture_sprayer.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://vunonam.atwebpages.com/less_than_zero_watch_online_free.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_off0000d949.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD949 5120 bytes
SHA-256: ac905f6aeba1093515188d3dfbfc309e22349764423b9e0c653a8d60965ca6b0
font_01_sfnt_off0000eacf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEACF 10908 bytes
SHA-256: 46c0b093db2948c17f8fef3466e46b1d6ef983cfa7ad38b99ee217793900e2c9

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