Malicious PDF — malware analysis report

Static analysis result for SHA-256 2c520236be174802…

MALICIOUS

PDF

42.5 KB Created: 2021-05-15 07:38:16 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: a80d6eeab13ca830aa5bc3679d7f70e8 SHA-1: 2b40d8cfd67c2e316b145c8b2edf26c58ec76258 SHA-256: 2c520236be17480215d733958e338a9b1968183147f47c0ad98b6d6ad6e0bd27
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF document contains multiple links that redirect to malicious infrastructure, masquerading as game hack generators. The primary lure URL is https://netcdn.xyz/app/406889139/can-you-really-hack-coin-master-ios-game-hack, which is part of a known malicious redirector chain. The document body and embedded URLs suggest a social engineering tactic to trick users into visiting these sites, likely leading to further malware downloads or phishing attempts.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector critical PDF_GAME_HACK_REDIRECT_LURE
    PDF's clickable action targets a redirector of the form /app/<id>/<slug>-game-hack — the landing-page shape of a large SEO 'free spins / generator / game hack' lure family that funnels victims through rotating disposable hosts to a malware/scam payload. The multi-link variants also trip ML/link-farm rules; this catches the single-link variants that otherwise score clean. CRITICAL on its own: the /app/<id>/<slug>-game-hack path shape is unambiguous scam infra, and the host rotates so a host-list match can't be relied on.
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://netcdn.xyz/app/406889139/can-you-really-hack-coin-master-ios-game-hack In PDF document text
    • http://sbm-nn.ru/images/mcpe-master-hack-coin-apk_GM406889139.pdfIn PDF document text
    • http://sbm-nn.ru/images/roblox-cheat-robux_GM431946152.pdfIn PDF document text
    • http://sbm-nn.ru/images/how-to-hack-coins-in-archery-master-3d_GM406889139.pdfIn PDF document text
    • http://sbm-nn.ru/images/lazyblocks-com-free-robux_GM431946152.pdfIn PDF document text
    • http://sbm-nn.ru/images/no-human-verification-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://sbm-nn.ru/images/coin-master-free-spin-bonus_GM406889139.pdfIn PDF document text
    • http://sbm-nn.ru/images/roblox-com-free-robux_GM431946152.pdfIn PDF document text
    • http://sbm-nn.ru/images/roblox-free-robux-hack_GM431946152.pdfIn PDF document text
    • http://sbm-nn.ru/images/free-robux-no-verification-2021-android_GM431946152.pdfIn PDF document text
    • http://sbm-nn.ru/images/static-moonactive-net-link_GM406889139.pdfIn PDF document text
    • http://sbm-nn.ru/images/javascript-free-robux_GM431946152.pdfIn PDF document text
    • http://sbm-nn.ru/images/ways-to-get-free-robux-2021_GM431946152.pdfIn PDF document text
    • http://sbm-nn.ru/images/coin-master-free-spins-1-coin-master_GM406889139.pdfIn PDF document text
    • http://sbm-nn.ru/images/free-robux-on-ipad_GM431946152.pdfIn PDF document text
    • http://sbm-nn.ru/images/coin-master-daily-free-spins-today_GM406889139.pdfIn PDF document text
    • http://sbm-nn.ru/images/how-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://sbm-nn.ru/images/coin-master-online-hack-link_GM406889139.pdfIn PDF document text
    • http://sbm-nn.ru/images/free-robux-codes-2021_GM431946152.pdfIn PDF document text
    • http://sbm-nn.ru/images/coin-master-cracked-apk-free-download_GM406889139.pdfIn PDF document text
    • http://sbm-nn.ru/images/coin-master-hack-apk-iphone_GM406889139.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004d8f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4D8F 24116 bytes
SHA-256: d58050f61f381d759e80cfb5b63746d7d266c59f9cc3db2c7d75df2d1815416e
font_01_sfnt_off000083a3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x83A3 18272 bytes
SHA-256: d6dbfa26c4735c509ef21bc2fb5cbfc43e5651c474b450515f522a35f82f0c88

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