Malicious PDF — malware analysis report

Static analysis result for SHA-256 06bd13b55f7deea3…

MALICIOUS

PDF

32.0 KB Created: 2021-05-14 10:34:01 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: d731bd5a273133dd92ba62387e17398c SHA-1: aeddaa64b9502067aacb276c3106339ba63a0ec1 SHA-256: 06bd13b55f7deea3f96a21358685522f53a6a7af3f54a9806a28fadcc259d00a
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a critical heuristic firing for a game hack lure, directing users to a known malicious redirector. The embedded URL and document body content reinforce this, indicating a phishing attempt to drive users to potentially harmful content. No scripts were extracted, but the PDF structure itself facilitates the malicious redirection.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9995

Heuristics 3

  • 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.
  • 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/431946152/how-to-hack-in-roblox-prison-life-game-hack In PDF document text
    • https://elearning.diniyyahpasia.sch.id/__statics/gudangsoal/files/hacks-for-coin-master_GM406889139.pdfIn PDF document text
    • https://elearning.diniyyahpasia.sch.id/__statics/gudangsoal/files/coin-master-codes_GM406889139.pdfIn PDF document text
    • https://elearning.diniyyahpasia.sch.id/__statics/gudangsoal/files/free-minecraft-capes_GM479516143.pdfIn PDF document text
    • https://elearning.diniyyahpasia.sch.id/__statics/gudangsoal/files/coin-master-free-spins-link-2021-haktuts_GM406889139.pdfIn PDF document text
    • https://elearning.diniyyahpasia.sch.id/__statics/gudangsoal/files/games-on-roblox-that-give-you-free-robux_GM431946152.pdfIn PDF document text
    • https://elearning.diniyyahpasia.sch.id/__statics/gudangsoal/files/coin-master-hacks-no-verification_GM406889139.pdfIn PDF document text
    • https://elearning.diniyyahpasia.sch.id/__statics/gudangsoal/files/cheating-hacks-for-coin-master_GM406889139.pdfIn PDF document text
    • https://elearning.diniyyahpasia.sch.id/__statics/gudangsoal/files/free-robux-not-fake_GM431946152.pdfIn PDF document text
    • https://elearning.diniyyahpasia.sch.id/__statics/gudangsoal/files/give-me-free-robux_GM431946152.pdfIn PDF document text
    • https://elearning.diniyyahpasia.sch.id/__statics/gudangsoal/files/coin-master-hack-download-2021_GM406889139.pdfIn PDF document text
    • https://elearning.diniyyahpasia.sch.id/__statics/gudangsoal/files/codes-how-to-get-free-robux_GM431946152.pdfIn PDF document text
    • https://elearning.diniyyahpasia.sch.id/__statics/gudangsoal/files/rbxoffers-earn-free-robux_GM431946152.pdfIn PDF document text
    • https://elearning.diniyyahpasia.sch.id/__statics/gudangsoal/files/coin-master-free-spins-and-coins-2021_GM406889139.pdfIn PDF document text
    • https://elearning.diniyyahpasia.sch.id/__statics/gudangsoal/files/coin-master-free-spins-no-survey_GM406889139.pdfIn PDF document text
    • https://elearning.diniyyahpasia.sch.id/__statics/gudangsoal/files/minecraft-esp_GM479516143.pdfIn PDF document text
    • https://elearning.diniyyahpasia.sch.id/__statics/gudangsoal/files/coin-master-spin-hack_GM406889139.pdfIn PDF document text
    • https://elearning.diniyyahpasia.sch.id/__statics/gudangsoal/files/unlimited-robux-2021_GM431946152.pdfIn PDF document text
    • https://elearning.diniyyahpasia.sch.id/__statics/gudangsoal/files/hack-coin-master-app_GM406889139.pdfIn PDF document text
    • https://elearning.diniyyahpasia.sch.id/__statics/gudangsoal/files/how-to-get-minecraft-java-free_GM479516143.pdfIn PDF document text
    • https://elearning.diniyyahpasia.sch.id/__statics/gudangsoal/files/minecraft-education-free_GM479516143.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004c56.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4C56 25000 bytes
SHA-256: 1dfea33e9c499824c1e6ca179daf4a8ff17cf6919d1587b764b10f3a74609fb0

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