Malicious PDF — malware analysis report

Static analysis result for SHA-256 2d959eadab5d17dd…

MALICIOUS

PDF

44.8 KB Created: 2021-05-15 23:30:17 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 615d832cc03efbd2719798f165cd32e4 SHA-1: a8b476cda945edbf800fb5b957af4153b8bbe1e9 SHA-256: 2d959eadab5d17ddd4ed758b4adb39f3cdb2ba3e297297e6c4789f85c33c941c
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document employs a common lure of free game currency and hacks to entice users. It contains multiple links, including a primary redirector URL, that lead to potentially malicious content. The document body and embedded URLs suggest a phishing or scam attempt aimed at users seeking in-game advantages.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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/coin-master-heaven-daily-free-spins-and-coins-links-game-hack In PDF document text
    • http://library.yamasi.ac.id//repository/get-free-robux-generator_GM431946152.pdfIn PDF document text
    • http://library.yamasi.ac.id/repository/coin-master-app-free-download_GM406889139.pdfIn PDF document text
    • http://library.yamasi.ac.id//repository/minecraft-hacks-ps4_GM479516143.pdfIn PDF document text
    • http://library.yamasi.ac.id/repository/free-roblox-accounts-with-robux-that-work-not-banned_GM431946152.pdfIn PDF document text
    • http://library.yamasi.ac.id//repository/minecraft-bedrock-client_GM479516143.pdfIn PDF document text
    • http://library.yamasi.ac.id/repository/free-robux-link_GM431946152.pdfIn PDF document text
    • http://library.yamasi.ac.id//repository/roblox-group-free-robux_GM431946152.pdfIn PDF document text
    • http://library.yamasi.ac.id/repository/free-robux-websites-no-human-verification_GM431946152.pdfIn PDF document text
    • http://library.yamasi.ac.id//repository/can-i-get-free-robux_GM431946152.pdfIn PDF document text
    • http://library.yamasi.ac.id//repository/roblox-hack-app_GM431946152.pdfIn PDF document text
    • http://library.yamasi.ac.id/repository/free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://library.yamasi.ac.id/repository/daily-coin-master_GM406889139.pdfIn PDF document text
    • http://library.yamasi.ac.id/repository/extra-free-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://library.yamasi.ac.id/repository/how-to-exploit-roblox_GM431946152.pdfIn PDF document text
    • http://library.yamasi.ac.id/repository/how-to-get-free-minecraft-windows-10_GM479516143.pdfIn PDF document text
    • http://library.yamasi.ac.id/repository/games-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://library.yamasi.ac.id//repository/robux-sites_GM431946152.pdfIn PDF document text
    • http://library.yamasi.ac.id/repository/coin-master-daily-free-spin-app_GM406889139.pdfIn PDF document text
    • http://library.yamasi.ac.id//repository/how-to-get-free-robux-on-iphone_GM431946152.pdfIn PDF document text
    • http://library.yamasi.ac.id/repository/free-spin-and-coin-blogspot-com_GM406889139.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_003_off00004aa7.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4AA7 28544 bytes
SHA-256: 5e0d6de1f2af1cd7155a174bafece337b2d53975e04a0bfb8225b94d4d829b00
font_01_sfnt_off00008b6c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8B6C 18764 bytes
SHA-256: dfa0e0ac2467a401dcf1fafcf35c576492c4ef590534d1fa5d150cc8f866fc69

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