Malicious PDF — malware analysis report

Static analysis result for SHA-256 30e9bd9aa02fe907…

MALICIOUS

PDF

44.0 KB Created: 2021-06-03 10:13:02 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-05
MD5: c3bcc6cc1fe6f0ae235caf47b1d4dbf3 SHA-1: dfeec818ade4aa6bf67d2a212569b83dd974008a SHA-256: 30e9bd9aa02fe9074a105beb55cf89159cb48df2ee71b499b70366e30389dd29
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains multiple links and a lure related to game hacks and free spins, indicating a social engineering tactic to trick users into visiting malicious sites. The primary link, https://netcdn.online/app/406889139/get-free-spins-in-coin-master-game-hack, is likely a redirector to a malicious download or phishing page. While no scripts were explicitly extracted, the PDF structure and embedded URLs strongly suggest a malicious intent to lead users to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9865

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector high 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.
  • 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
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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/get-free-spins-in-coin-master-game-hack PDF link annotation
    • http://psb.sd-alazhar29.sch.id/repository/hack-download_GM431946152.pdfIn PDF document text
    • http://psb.sd-alazhar29.sch.id/repository/haktuts-coin-master-free-daily-spins_GM406889139.pdfIn PDF document text
    • http://psb.sd-alazhar29.sch.id/repository/roblox-free-clothes-generator_GM431946152.pdfIn PDF document text
    • http://psb.sd-alazhar29.sch.id/repository/coin-master-free-spins-2021_GM406889139.pdfIn PDF document text
    • http://psb.sd-alazhar29.sch.id/repository/orewards-com-free-robux_GM431946152.pdfIn PDF document text
    • http://psb.sd-alazhar29.sch.id/repository/coin-master-time-hack_GM406889139.pdfIn PDF document text
    • http://psb.sd-alazhar29.sch.id/repository/hack-coin-pro-coin-master_GM406889139.pdfIn PDF document text
    • http://psb.sd-alazhar29.sch.id/repository/roblox-hack-twisted-murderer_GM431946152.pdfIn PDF document text
    • http://psb.sd-alazhar29.sch.id/repository/roblox-a_GM431946152.pdfIn PDF document text
    • http://psb.sd-alazhar29.sch.id/repository/free-minecraft-hacks_GM479516143.pdfIn PDF document text
    • http://psb.sd-alazhar29.sch.id/repository/real-free-robux-generator_GM431946152.pdfIn PDF document text
    • http://psb.sd-alazhar29.sch.id/repository/roblox-free-clothes-codes_GM431946152.pdfIn PDF document text
    • http://psb.sd-alazhar29.sch.id/repository/coin-master-free-spins-link-2021_GM406889139.pdfIn PDF document text
    • http://psb.sd-alazhar29.sch.id/repository/spin-link_GM406889139.pdfIn PDF document text
    • http://psb.sd-alazhar29.sch.id/repository/coin-master-free-spins-and-coins_GM406889139.pdfIn PDF document text
    • http://psb.sd-alazhar29.sch.id/repository/coin-master-hack-spins-apk-download_GM406889139.pdfIn PDF document text
    • http://psb.sd-alazhar29.sch.id/repository/minecraft-for-chromebook-free_GM479516143.pdfIn PDF document text
    • http://psb.sd-alazhar29.sch.id/repository/how-to-get-more-robux_GM431946152.pdfIn PDF document text
    • http://psb.sd-alazhar29.sch.id/repository/coin-master-free-2021_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_off0000501a.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x501A 25540 bytes
SHA-256: 9235378bedfd2a7503c4804a5d01e58ed1ce4f763f8af4fc3b43a6aac4bad401
font_01_sfnt_off00008ab1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8AB1 17884 bytes
SHA-256: 156f4ef702737132daa243a2c4fee8c0c13bec142009a1eebf0215f7cb8aef95

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