Malicious PDF — malware analysis report

Static analysis result for SHA-256 7a60f5157d8156ee…

MALICIOUS

PDF

43.9 KB Created: 2021-06-04 00:50:30 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 2e4e4998e0081d5ded07473c9bf6486d SHA-1: e28310783835470dfe69ba3905fabb734c120e4c SHA-256: 7a60f5157d8156ee16a841bafcff1a36e1686b8a2798f12bf65e262468bc8b41
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains multiple links to known malicious redirectors, disguised as "free generator / game hack" lures. The primary malicious URL identified is https://netcdn.online/app/479516143/free-minecraft-education-edition-game-hack. While no scripts were explicitly extracted, the PDF structure and heuristic firings indicate a high likelihood of malicious redirection or download attempts, aligning with spearphishing attachment tactics.

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/479516143/free-minecraft-education-edition-game-hack In PDF document text
    • http://library.stieyapan.ac.id/repository/how-to-get-free-shirts-in-roblox_GM431946152.pdfIn PDF document text
    • http://library.stieyapan.ac.id/repository/free-girl-hair-roblox_GM431946152.pdfIn PDF document text
    • http://library.stieyapan.ac.id/repository/free-spin-link-coin-master-today_GM406889139.pdfIn PDF document text
    • http://library.stieyapan.ac.id/repository/coin-master-time-hack_GM406889139.pdfIn PDF document text
    • http://library.stieyapan.ac.id/repository/mcpe-master-hack-unlimited-coins_GM406889139.pdfIn PDF document text
    • http://library.stieyapan.ac.id/repository/how-to-get-free-minecoins-in-minecraft_GM479516143.pdfIn PDF document text
    • http://library.stieyapan.ac.id//repository/roblox-free-clothes-codes_GM431946152.pdfIn PDF document text
    • http://library.stieyapan.ac.id//repository/coin-master-daily-link_GM406889139.pdfIn PDF document text
    • http://library.stieyapan.ac.id/repository/roblox-apk-hack_GM431946152.pdfIn PDF document text
    • http://library.stieyapan.ac.id//repository/como-hackear-coin-master-2021-espaol_GM406889139.pdfIn PDF document text
    • http://library.stieyapan.ac.id//repository/robux-earner_GM431946152.pdfIn PDF document text
    • http://library.stieyapan.ac.id/repository/archery-master-3d-hack-unlimited-coins-cheats_GM406889139.pdfIn PDF document text
    • http://library.stieyapan.ac.id//repository/free-printable-minecraft-coloring-pages_GM479516143.pdfIn PDF document text
    • http://library.stieyapan.ac.id/repository/how-to-get-free-robux-without-verification-2021_GM431946152.pdfIn PDF document text
    • http://library.stieyapan.ac.id//repository/roblox-re_GM431946152.pdfIn PDF document text
    • http://library.stieyapan.ac.id/repository/real-coin-master-hacks_GM406889139.pdfIn PDF document text
    • http://library.stieyapan.ac.id//repository/how-to-hack-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://library.stieyapan.ac.id/repository/coin-master-hack-mobile_GM406889139.pdfIn PDF document text
    • http://library.stieyapan.ac.id//repository/is-minecraft-free-on-ps4_GM479516143.pdfIn PDF document text
    • http://library.stieyapan.ac.id//repository/coin-master-34-5-hack_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_004_off0000506b.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x506B 25360 bytes
SHA-256: 163413cf9c3e713b480cead5a4659a37eb0265ac65204d91fef78e9ba5e21e9d
font_01_sfnt_off000089fc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x89FC 18024 bytes
SHA-256: e9a2cf0d2823e90ed2580a45ee363d6e1f35a4f9b450f06c249245a562ddb1b9

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