Malicious PDF — malware analysis report

Static analysis result for SHA-256 2aaacf2cd7b6db18…

MALICIOUS

PDF

35.5 KB Created: 2021-06-21 02:52:55 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 4537851e525c69667683491944c34f33 SHA-1: ba73611a57ea0d0e16fd46c84bc34be77d46c9da SHA-256: 2aaacf2cd7b6db18e1f1e90121cd66e7738554b1ca9f8da6a780334becccc429
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 'game hack' lures. The document body and embedded URLs suggest a phishing attempt to trick users into downloading potentially malicious files related to popular games. No scripts were extracted, but the presence of malicious redirectors and lures indicates a high likelihood of a downloader or exploit delivery.

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 http://netcdn.co/app/431946152/how-to-hack-into-a-roblox-account-2021-game-hack In PDF document text
    • http://www.europeancamerata.com/userfiles/files/coin-master-free-daily-spins_GM406889139.pdfIn PDF document text
    • http://www.europeancamerata.com/userfiles/files/minecraft-mac-free_GM479516143.pdfIn PDF document text
    • http://www.europeancamerata.com/userfiles/files/coin-master-free-spins-2021_GM406889139.pdfIn PDF document text
    • http://www.europeancamerata.com/userfiles/files/minecraft-build-hacks_GM479516143.pdfIn PDF document text
    • http://www.europeancamerata.com/userfiles/files/mistplay-robux_GM431946152.pdfIn PDF document text
    • http://www.europeancamerata.com/userfiles/files/minecraft-free-download-mac-full-version_GM479516143.pdfIn PDF document text
    • http://www.europeancamerata.com/userfiles/files/best-free-minecraft-servers_GM479516143.pdfIn PDF document text
    • http://www.europeancamerata.com/userfiles/files/roblox-account-hacker-online_GM431946152.pdfIn PDF document text
    • http://www.europeancamerata.com/userfiles/files/roblox-hack-me_GM431946152.pdfIn PDF document text
    • http://www.europeancamerata.com/userfiles/files/free-printable-roblox-images_GM431946152.pdfIn PDF document text
    • http://www.europeancamerata.com/userfiles/files/coin-master-daily-spin-link-app_GM406889139.pdfIn PDF document text
    • http://www.europeancamerata.com/userfiles/files/minecraft-skins-download-free_GM479516143.pdfIn PDF document text
    • http://www.europeancamerata.com/userfiles/files/coin-master-spins-free-2021_GM406889139.pdfIn PDF document text
    • http://www.europeancamerata.com/userfiles/files/free-minecraft-java-code_GM479516143.pdfIn PDF document text
    • http://www.europeancamerata.com/userfiles/files/how-to-get-free-mods-in-minecraft_GM479516143.pdfIn PDF document text
    • http://www.europeancamerata.com/userfiles/files/coin-master-free-spin-generator-without-human-verification_GM406889139.pdfIn PDF document text
    • http://www.europeancamerata.com/userfiles/files/coin-master-hack-apk-35-33_GM406889139.pdfIn PDF document text
    • http://www.europeancamerata.com/userfiles/files/coin-master-free-link-facebook_GM406889139.pdfIn PDF document text
    • http://www.europeancamerata.com/userfiles/files/hack-coin-master-free_GM406889139.pdfIn PDF document text
    • http://www.europeancamerata.com/userfiles/files/free-robux-hack-december-2021_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
font_00_sfnt_off00003279.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3279 22300 bytes
SHA-256: 7fa0344ce163cd2038659d6bd8b2927a3354e1d7404dd4dac14ef08348526fdc
font_01_sfnt_off0000643d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x643D 19468 bytes
SHA-256: 8e56887f387e51e75f1b496d6723f798f2bbec39248edacb7e6ee26b05819832

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