Malicious PDF — malware analysis report

Static analysis result for SHA-256 0b1268d2bd6f6055…

MALICIOUS

PDF

43.4 KB Created: 2021-06-03 05:26:30 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: e61802c3d8b9d42535239c60252cb7ff SHA-1: 7fd1f8e34a84587f0aeeaa89b6ed1b83bed9bebb SHA-256: 0b1268d2bd6f605513e6875e74ea5247d84f33aa4cee27be0cc2d3f12afb8dab
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links, including one pointing to a known malicious redirector infrastructure. The document body and heuristics indicate a lure for game hacks and free currency, suggesting a phishing or malware distribution attempt. No scripts were extracted, but the presence of embedded URLs and the nature of the lure strongly suggest a malicious intent to redirect the user to a potentially harmful site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9865

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.online/app/406889139/free-spins-coin-master-2021-game-hack In PDF document text
    • https://www.ma-plast.hr/files/coin-master-free-coins-hack_GM406889139.pdfIn PDF document text
    • https://www.ma-plast.hr/files/minecraft-windows-10-hack-client-2021_GM479516143.pdfIn PDF document text
    • https://www.ma-plast.hr/files/minecraft-free-download-ios_GM479516143.pdfIn PDF document text
    • http://www.ma-plast.hr/files/free-spins-for-coin-master-game_GM406889139.pdfIn PDF document text
    • http://www.ma-plast.hr/files/free-robux-generator-2021-no-survey_GM431946152.pdfIn PDF document text
    • http://www.ma-plast.hr/files/free-robux-roblox-promo-codes_GM431946152.pdfIn PDF document text
    • http://www.ma-plast.hr/files/how-to-get-roblox-credit-for-free_GM431946152.pdfIn PDF document text
    • https://www.ma-plast.hr/files/how-to-get-free-spins-and-coins-in-coin-master_GM406889139.pdfIn PDF document text
    • https://www.ma-plast.hr/files/minecraft-classic-free_GM479516143.pdfIn PDF document text
    • https://www.ma-plast.hr/files/free-robux-now_GM431946152.pdfIn PDF document text
    • https://www.ma-plast.hr/files/minecraft-pe-hack-client_GM479516143.pdfIn PDF document text
    • https://www.ma-plast.hr/files/roblox-free-roblox_GM431946152.pdfIn PDF document text
    • https://www.ma-plast.hr/files/pokemon-go-free-stuff_GM1094591345.pdfIn PDF document text
    • http://www.ma-plast.hr/files/free-robux-images_GM431946152.pdfIn PDF document text
    • http://www.ma-plast.hr/files/how-to-get-minecraft-for-free-2021_GM479516143.pdfIn PDF document text
    • https://www.ma-plast.hr/files/how-to-get-free-cards-sets-for-coin-master_GM406889139.pdfIn PDF document text
    • http://www.ma-plast.hr/files/roblox-arsenal-hack_GM431946152.pdfIn PDF document text
    • http://www.ma-plast.hr/files/coin-master-apk-hack-2021_GM406889139.pdfIn PDF document text
    • http://www.ma-plast.hr/files/coinmaster-spin-ml_GM406889139.pdfIn PDF document text
    • http://www.ma-plast.hr/files/how-to-get-free-robux-not-a-scam_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off00004e07.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4E07 25120 bytes
SHA-256: 47fec263930ad32323d7be4a99d46010db4ed25a8ca212847e607b9b29c1bc53
font_01_sfnt_off000086c7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x86C7 18288 bytes
SHA-256: 9732707b45c862b7a6ef8ea2418900def9be3650c6b325207d932644f64622ad

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