Malicious PDF — malware analysis report

Static analysis result for SHA-256 e46b0b03e9017c13…

MALICIOUS

PDF

47.6 KB Created: 2021-06-03 05:46:40 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 0ba12a93b36eb9755c8456922146bfd8 SHA-1: 00efbe48e80b11e33ff37e8dc983824b2c9fe33f SHA-256: e46b0b03e9017c138fa870fdb915c59b530d3a67f2b49fd6ccedeba0b1d09627
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links to known malicious redirectors, disguised as "game hacks" and "generators". The primary lure is a link to "how-to-get-free-golden-card-in-coin-master-game-hack", which resolves to a malicious URL. While no scripts were explicitly extracted, the PDF structure and embedded URLs strongly indicate a phishing or scam attempt, likely leveraging a social engineering pretext to drive traffic to malicious sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9769

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/406889139/how-to-get-free-golden-card-in-coin-master-game-hack In PDF document text
    • http://perpus.masda.ac.id/repository/daily-free-coin-and-spin-link-for-coin-master_GM406889139.pdfIn PDF document text
    • http://perpus.masda.ac.id/repository/coin-master-hack-software_GM406889139.pdfIn PDF document text
    • http://perpus.masda.ac.id//repository/how-to-get-free-robux-without-offers_GM431946152.pdfIn PDF document text
    • http://perpus.masda.ac.id/repository/real-working-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://perpus.masda.ac.id//repository/free-robux-com-no-verification_GM431946152.pdfIn PDF document text
    • http://perpus.masda.ac.id/repository/hacking-apps-for-roblox_GM431946152.pdfIn PDF document text
    • http://perpus.masda.ac.id/repository/free-robux-net_GM431946152.pdfIn PDF document text
    • http://perpus.masda.ac.id//repository/spin-rewards-coin-master_GM406889139.pdfIn PDF document text
    • http://perpus.masda.ac.id//repository/free-robux-clothes_GM431946152.pdfIn PDF document text
    • http://perpus.masda.ac.id/repository/tiktok-free-followers-generator_GM835599320.pdfIn PDF document text
    • http://perpus.masda.ac.id/repository/https-oprewards-com-roblox_GM431946152.pdfIn PDF document text
    • http://perpus.masda.ac.id/repository/free-roblox-girl-clothes_GM431946152.pdfIn PDF document text
    • http://perpus.masda.ac.id/repository/coin-master-hack-game_GM406889139.pdfIn PDF document text
    • http://perpus.masda.ac.id/repository/hack-coin-master-apk-32_GM406889139.pdfIn PDF document text
    • http://perpus.masda.ac.id//repository/roblox-hack-download_GM431946152.pdfIn PDF document text
    • http://perpus.masda.ac.id/repository/pubg-uc-yollama_GM1330123889.pdfIn PDF document text
    • http://perpus.masda.ac.id//repository/coin-master-free-spins-cash_GM406889139.pdfIn PDF document text
    • http://perpus.masda.ac.id//repository/static-moonactive-net-link_GM406889139.pdfIn PDF document text
    • http://perpus.masda.ac.id//repository/coin-master-hack-com_GM406889139.pdfIn PDF document text
    • http://perpus.masda.ac.id/repository/how-to-earn-free-robux_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off00004f4d.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4F4D 27560 bytes
SHA-256: ef3029ae2b31d6e264e67f142859f248d6052117e2f2b41e7eb1c6546f30c0fd
font_01_sfnt_off00008e38.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8E38 2812 bytes
SHA-256: 869414959d7b492e0f799b560e1731e3ab498bd286c28e9f0d2ec33d9b6cf53d
font_02_sfnt_off000097d7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x97D7 18120 bytes
SHA-256: c2523c0701966d4e9ad8fc6a2dda41c5a59fad33841505c0570c3ca0bd6240fe

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