Malicious PDF — malware analysis report

Static analysis result for SHA-256 5ee4580bd0f2e541…

MALICIOUS

PDF

43.4 KB Created: 2021-05-14 16:57:02 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: d899bf5b75d333e2b00457b7cadc306a SHA-1: a6c14b1b170900ce8d9eb27f3c3d3165d5dfab56 SHA-256: 5ee4580bd0f2e5418a0f32277ccf7a661ebd3e6e2a1b05f047bdcda730ca7ce2
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to known malicious redirectors, specifically advertising 'free generator / game hack' content. The primary redirector URL is https://netcdn.xyz/app/406889139/freecoins-game-hack, which is likely used to funnel users to malicious websites or download further payloads. No scripts were extracted, but the PDF structure and embedded links strongly indicate a social engineering lure for malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9648

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/406889139/freecoins-game-hack In PDF document text
    • http://xn--80aeb7bbceeegc.xn--p1ai/images/minecraft-pe-apk_GM479516143.pdfIn PDF document text
    • http://xn--80aeb7bbceeegc.xn--p1ai/images/how-to-hack-roblox-for-robux_GM431946152.pdfIn PDF document text
    • http://xn--80aeb7bbceeegc.xn--p1ai/images/coin-master-daily-free-spins-link-app_GM406889139.pdfIn PDF document text
    • http://xn--80aeb7bbceeegc.xn--p1ai/images/clean-master-coins-hack_GM406889139.pdfIn PDF document text
    • http://xn--80aeb7bbceeegc.xn--p1ai/images/coin-master-400-spin-link-today_GM406889139.pdfIn PDF document text
    • http://xn--80aeb7bbceeegc.xn--p1ai/images/www-coin-master_GM406889139.pdfIn PDF document text
    • http://xn--80aeb7bbceeegc.xn--p1ai/images/roblox-promo-codes-for-free-robux_GM431946152.pdfIn PDF document text
    • http://xn--80aeb7bbceeegc.xn--p1ai/images/how-to-hack-roblox-accounts_GM431946152.pdfIn PDF document text
    • http://xn--80aeb7bbceeegc.xn--p1ai/images/coin-master-raid-hack_GM406889139.pdfIn PDF document text
    • http://xn--80aeb7bbceeegc.xn--p1ai/images/coin-master-hack-spin-generator_GM406889139.pdfIn PDF document text
    • http://xn--80aeb7bbceeegc.xn--p1ai/images/coin-master-free-gifts_GM406889139.pdfIn PDF document text
    • http://xn--80aeb7bbceeegc.xn--p1ai/images/coin-master-free-spins-and-coins-blogspot_GM406889139.pdfIn PDF document text
    • http://xn--80aeb7bbceeegc.xn--p1ai/images/free-promo-codes-for-robux_GM431946152.pdfIn PDF document text
    • http://xn--80aeb7bbceeegc.xn--p1ai/images/minecraft-windows-10-free-trial_GM479516143.pdfIn PDF document text
    • http://xn--80aeb7bbceeegc.xn--p1ai/images/wurst-hacked-client_GM479516143.pdfIn PDF document text
    • http://xn--80aeb7bbceeegc.xn--p1ai/images/coin-master-spin-hack_GM406889139.pdfIn PDF document text
    • http://xn--80aeb7bbceeegc.xn--p1ai/images/is-minecraft-free-on-computer_GM479516143.pdfIn PDF document text
    • http://xn--80aeb7bbceeegc.xn--p1ai/images/coin-master-free-spins-and-coins-without-human-verification_GM406889139.pdfIn PDF document text
    • http://xn--80aeb7bbceeegc.xn--p1ai/images/no-scam-free-robux_GM431946152.pdfIn PDF document text
    • http://xn--80aeb7bbceeegc.xn--p1ai/images/roblox-cp_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_003_off00004825.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4825 24708 bytes
SHA-256: 40d8f2c3ff849ed52c7f5016c86d6bbbb5bf1690d966bb92ba2bbaf74234819d
font_01_sfnt_off00008045.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8045 2820 bytes
SHA-256: 96a70491b0783ad8c6fc9b11a18f021aa22c69ac41ee4499b781d16a1b99b689
font_02_sfnt_off000089e6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x89E6 17380 bytes
SHA-256: b7451c9dd0ac59d2b5cb55b76db2f7cf076c87adc9efeb70e2d733c8c551e0a5

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