Malicious PDF — malware analysis report

Static analysis result for SHA-256 73a530ca5739e175…

MALICIOUS

PDF

41.6 KB Created: 2021-05-16 17:20:54 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 532576c54bb2d0bdbe0b997cd8d558e6 SHA-1: 6a51dd2f634eac68decb3ad938ef354acb7eacec SHA-256: 73a530ca5739e17527236afc19a54524bbbe4eafec626a82981e3bce5d95161f
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains multiple links to known malicious redirectors, disguised as 'game hacks' and 'free generator' lures. The primary malicious URL identified is https://netcdn.xyz/app/479516143/minecraft-hacks-list-game-hack. The document body and embedded URLs suggest a social engineering tactic to lure users to potentially malicious websites. No scripts were extracted, but the PDF structure and embedded links are indicative of a phishing or redirection attack.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

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.xyz/app/479516143/minecraft-hacks-list-game-hack In PDF document text
    • http://hipmibadung.or.id/new/public/ckfinder/userfiles/files/free-minecraft-accounts-reddit_GM479516143.pdfIn PDF document text
    • http://hipmibadung.or.id/new/public/ckfinder/userfiles/files/roblox-com-free_GM431946152.pdfIn PDF document text
    • http://hipmibadung.or.id/new/public/ckfinder/userfiles/files/free-roblox-money_GM431946152.pdfIn PDF document text
    • http://hipmibadung.or.id/new/public/ckfinder/userfiles/files/minecraft-for-free-on-phone_GM479516143.pdfIn PDF document text
    • http://hipmibadung.or.id/new/public/ckfinder/userfiles/files/no-scam-free-robux_GM431946152.pdfIn PDF document text
    • http://hipmibadung.or.id/new/public/ckfinder/userfiles/files/roblox-rape-hack_GM431946152.pdfIn PDF document text
    • http://hipmibadung.or.id/new/public/ckfinder/userfiles/files/how-to-get-free-cards-in-coin-master_GM406889139.pdfIn PDF document text
    • http://hipmibadung.or.id/new/public/ckfinder/userfiles/files/free-robux-today_GM431946152.pdfIn PDF document text
    • http://hipmibadung.or.id/new/public/ckfinder/userfiles/files/kuso-icu-roblox-hack_GM431946152.pdfIn PDF document text
    • http://hipmibadung.or.id/new/public/ckfinder/userfiles/files/hack-minecraft_GM479516143.pdfIn PDF document text
    • http://hipmibadung.or.id/new/public/ckfinder/userfiles/files/free-robux-that-actually-works_GM431946152.pdfIn PDF document text
    • http://hipmibadung.or.id/new/public/ckfinder/userfiles/files/robloxheroxyz-free-robux_GM431946152.pdfIn PDF document text
    • http://hipmibadung.or.id/new/public/ckfinder/userfiles/files/what-is-coin-master_GM406889139.pdfIn PDF document text
    • http://hipmibadung.or.id/new/public/ckfinder/userfiles/files/coin-master-coins-free_GM406889139.pdfIn PDF document text
    • http://hipmibadung.or.id/new/public/ckfinder/userfiles/files/free-robux-no-verification-required_GM431946152.pdfIn PDF document text
    • http://hipmibadung.or.id/new/public/ckfinder/userfiles/files/coin-master-free-spins-gratis_GM406889139.pdfIn PDF document text
    • http://hipmibadung.or.id/new/public/ckfinder/userfiles/files/coin-master-free-gift-link-2021_GM406889139.pdfIn PDF document text
    • http://hipmibadung.or.id/new/public/ckfinder/userfiles/files/free-minecraft-skins-java_GM479516143.pdfIn PDF document text
    • http://hipmibadung.or.id/new/public/ckfinder/userfiles/files/http-bit-ly-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://hipmibadung.or.id/new/public/ckfinder/userfiles/files/roblox-script-executor-free_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
stream_003_off00004842.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4842 25504 bytes
SHA-256: 4775ab6d302a46b8f31ca61798c00abe43ff1f6676af7f3f2c85aec921bb1daa
font_01_sfnt_off00008203.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8203 17740 bytes
SHA-256: c2e082955acc44a54c2cd6792e97aac33f079296fe9f17b7b430410190c0edcd

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