Malicious PDF — malware analysis report

Static analysis result for SHA-256 e7b6d1bbb9dbbfaa…

MALICIOUS

PDF

40.9 KB Created: 2021-05-14 20:14:41 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 14740ca2678263faee088375678ccfc5 SHA-1: d59aeb4bda9008f6886f7810e234c1dc3a6e847f SHA-256: e7b6d1bbb9dbbfaa35f446ed09fb5a6edaccc0b6248fbaae6d6417adc9d19326
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links, including one identified as a malicious redirector pointing to 'free generator / game hack' content. The document body, though partially obfuscated, contains text related to game hacks and includes the primary malicious URL. This suggests a phishing or scam attempt designed to lure users to malicious websites.

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/479516143/minecraft-hacker-mask-game-hack In PDF document text
    • https://gryps.de/images/coin-master-hack-tips_GM406889139.pdfIn PDF document text
    • https://gryps.de/images/hack-mod-coin-master_GM406889139.pdfIn PDF document text
    • https://gryps.de/images/i-want-robux_GM431946152.pdfIn PDF document text
    • https://gryps.de/images/coin-master-free-spins-and-coins-2021_GM406889139.pdfIn PDF document text
    • https://gryps.de/images/lazyblocks-com-robux_GM431946152.pdfIn PDF document text
    • https://gryps.de/images/how-to-get-free-roebucks-on-roblox_GM431946152.pdfIn PDF document text
    • https://gryps.de/images/free-coin-master-hack-no-verification_GM406889139.pdfIn PDF document text
    • https://gryps.de/images/how-to-hack-coin-master_GM406889139.pdfIn PDF document text
    • https://gryps.de/images/coin-master-free-food_GM406889139.pdfIn PDF document text
    • https://gryps.de/images/roblox-system_GM431946152.pdfIn PDF document text
    • https://gryps.de/images/free-spins-coin-master-no-survey_GM406889139.pdfIn PDF document text
    • https://gryps.de/images/free-gifts-coin-master_GM406889139.pdfIn PDF document text
    • https://gryps.de/images/coin-master-spins-for-free_GM406889139.pdfIn PDF document text
    • https://gryps.de/images/free-spins-and-coins-coin-master-2021-link_GM406889139.pdfIn PDF document text
    • https://gryps.de/images/coin-master-card-collection-link_GM406889139.pdfIn PDF document text
    • https://gryps.de/images/daily-free-spin-coin-master-link_GM406889139.pdfIn PDF document text
    • https://gryps.de/images/coin-master-free-coins-link-2021_GM406889139.pdfIn PDF document text
    • https://gryps.de/images/robux-matchcomfree-robux_GM431946152.pdfIn PDF document text
    • https://gryps.de/images/hacker-minecraft-song_GM479516143.pdfIn PDF document text
    • https://gryps.de/images/roblox-apk-hack_GM431946152.pdfIn PDF document text
    • https://discord.ggIn 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_off00004868.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4868 24640 bytes
SHA-256: 07e377e946c59aaa7c211f9f7c6d2da2824031d3dd7a370828a56c4587515ece
font_01_sfnt_off00007f5b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7F5B 17740 bytes
SHA-256: 0307ae1fdf286ae380d36e270ef5c992f348f7a5470d5d5ce449782a5f21d577

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