Malicious PDF — malware analysis report

Static analysis result for SHA-256 db05bd29004e16e6…

MALICIOUS

PDF

46.1 KB Created: 2021-05-15 02:23:14 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: c84910df91d7f8b92c47a36a61753a96 SHA-1: 2a2fea6184bdc1af799b0fd54848e0647eb915b3 SHA-256: db05bd29004e16e6a8dcbcea77d060ee2842d58b02f1f9fb8de866cf34ab0a3e
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains embedded links that redirect to known malicious infrastructure, specifically promoting "game hacks" and free in-game currency. The document body and heuristics indicate a lure designed to trick users into visiting these sites, which likely host further malicious content or scams. No scripts were extracted, but the presence of multiple malicious redirector links strongly suggests a phishing or scamming attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9432

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/easy-coin-master-hack-game-hack In PDF document text
    • http://www.lorengntt.com/new/public/ckfinder/userfiles/files/free-minecraft-skin-maker_GM479516143.pdfIn PDF document text
    • http://www.lorengntt.com/new/public/ckfinder/userfiles/files/how-to-get-free-premium-roblox_GM431946152.pdfIn PDF document text
    • http://www.lorengntt.com/new/public/ckfinder/userfiles/files/roblox-free-download_GM431946152.pdfIn PDF document text
    • http://www.lorengntt.com/new/public/ckfinder/userfiles/files/how-to-get-free-stuff-on-roblox-2021_GM431946152.pdfIn PDF document text
    • http://www.lorengntt.com/new/public/ckfinder/userfiles/files/coin-master-game-free-spin_GM406889139.pdfIn PDF document text
    • http://www.lorengntt.com/new/public/ckfinder/userfiles/files/free-robux-2021_GM431946152.pdfIn PDF document text
    • http://www.lorengntt.com/new/public/ckfinder/userfiles/files/coin-master-free-link-facebook_GM406889139.pdfIn PDF document text
    • http://www.lorengntt.com/new/public/ckfinder/userfiles/files/how-to-get-free-robux-no-human-verification_GM431946152.pdfIn PDF document text
    • http://www.lorengntt.com/new/public/ckfinder/userfiles/files/ways-to-earn-robux_GM431946152.pdfIn PDF document text
    • http://www.lorengntt.com/new/public/ckfinder/userfiles/files/coin-master-free-spins-hack-ios_GM406889139.pdfIn PDF document text
    • http://www.lorengntt.com/new/public/ckfinder/userfiles/files/coin-master-35-2-hack_GM406889139.pdfIn PDF document text
    • http://www.lorengntt.com/new/public/ckfinder/userfiles/files/coin-master-free-spins-and-coins-link-haktuts_GM406889139.pdfIn PDF document text
    • http://www.lorengntt.com/new/public/ckfinder/userfiles/files/coin-master-free-spins-and-coins-daily_GM406889139.pdfIn PDF document text
    • http://www.lorengntt.com/new/public/ckfinder/userfiles/files/free-robux-codes-2021_GM431946152.pdfIn PDF document text
    • http://www.lorengntt.com/new/public/ckfinder/userfiles/files/roblox-prison-life-hack_GM431946152.pdfIn PDF document text
    • http://www.lorengntt.com/new/public/ckfinder/userfiles/files/coin-master-free-coins-link-2021_GM406889139.pdfIn PDF document text
    • http://www.lorengntt.com/new/public/ckfinder/userfiles/files/roblox-hacked-version_GM431946152.pdfIn PDF document text
    • http://www.lorengntt.com/new/public/ckfinder/userfiles/files/earn-free-robux-on-roblox_GM431946152.pdfIn PDF document text
    • http://www.lorengntt.com/new/public/ckfinder/userfiles/files/free-robux-2021-no-human-verification_GM431946152.pdfIn PDF document text
    • http://www.lorengntt.com/new/public/ckfinder/userfiles/files/coin-master-free-spins-for-iphone_GM406889139.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004d64.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4D64 25928 bytes
SHA-256: f639a562384fac51a8a9d0b1aeac4337e3b21332954c5adf1b9b484ced5eff29
font_01_sfnt_off000087e5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x87E5 3124 bytes
SHA-256: 9967c6221325a4ff3f7c4336922605f990450164c2eee2df708cc81823c6ec98
font_02_sfnt_off000092c3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x92C3 17896 bytes
SHA-256: ba60f7dc4dc0ecf7241d3317d5b60c2aa3f605eaa21fa41e19c1a36889685198

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