Malicious PDF — malware analysis report

Static analysis result for SHA-256 98193ac10b223561…

MALICIOUS

PDF

72.9 KB Created: 2021-02-22 06:22:29 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: 0bc74a52b3b6015386b34f541e377306 SHA-1: 9c250be5f42d580ee9aa13cfb2411e7f20645bee SHA-256: 98193ac10b223561d0f764d71fbb858cbe96e706eea620f46f84f33d0615e396
186 Risk Score

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://leonvi.ru/wix?keyword=2005+polaris+sportsman+500+repair+manual PDF link annotation
    • https://cdn.sqhk.co/vonofuguniti/a2Xjhih/cut_your_head_off_in_spanish.pdfIn PDF document text
    • https://cdn.sqhk.co/tavanaru/ghcbqhb/rixosefimetatanawugu.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4426407/normal_601de00f86650.pdfIn PDF document text
    • https://cdn.sqhk.co/bofilewidil/jinjcih/hijacker_jack_famous._rich._wanted.pdfIn PDF document text
    • https://cdn.sqhk.co/mifigatira/ibphfje/grid_autosport_apk_invalid_license.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4367921/normal_5fc9fc72b66cb.pdfIn PDF document text
    • https://denuxikunoleluj.weebly.com/uploads/1/3/4/0/134018299/xefujafipa.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4463809/normal_5feb40f047355.pdfIn PDF document text
    • https://cdn.sqhk.co/vunebapenuj/qthi0T1/nowhere_to_run_free_movie_online.pdfIn PDF document text
    • http://pidanukiziteko.22web.org/48201408564.pdfIn PDF document text
    • https://tiwoboromezusud.weebly.com/uploads/1/3/0/8/130874009/vogazagotodizuj_gakotipezusaz_fabofuvokixoxi_tomofezuxonan.pdfIn PDF document text
    • https://cdn.sqhk.co/tikalamin/5CDNgWk/seliwud.pdfIn PDF document text
    • https://cdn.sqhk.co/bosejadukifo/djcHhhT/ftd_disease_genetic.pdfIn PDF document text
    • https://cdn.sqhk.co/mudonisogub/dii8his/management_assistant_jobs_with_no_experience.pdfIn PDF document text
    • https://togezajotutev.weebly.com/uploads/1/3/0/8/130874352/xuvonubisorum.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4402956/normal_600b078218247.pdfIn PDF document text
    • https://cdn.sqhk.co/juvebuzizej/bjhQegi/kick_the_dead_horse.pdfIn PDF document text
    • https://cdn.sqhk.co/gawagunikuw/oPja1BQ/83559820610.pdfIn PDF document text
    • https://cdn.sqhk.co/musutalivun/iiyefje/free_download_notepad_for_windows_7_64_bit.pdfIn PDF document text
    • http://kevikakagax.iblogger.org/34807653842.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://kopuperoki.epizy.com/19328301623.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_off0000d68e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD68E 5268 bytes
SHA-256: 4a8b53738e2a0d78c13e7e3ec30729ef483da6a0b6734b823cf1ddb414d0ee9b
font_01_sfnt_off0000e862.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE862 13852 bytes
SHA-256: b70739dfbb56f8c180cb4bcf885e9dc076f514c1c0db4dd36b8fae781f8b134b

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