Malicious PDF — malware analysis report

Static analysis result for SHA-256 2e1e0cdd944529c1…

MALICIOUS

PDF

45.4 KB Created: 2021-05-16 13:23:50 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 75d51b21690d55ea863b22c948904202 SHA-1: 414d66a128c124f5fcf4f622318b965e037e3fdb SHA-256: 2e1e0cdd944529c15fafee057a56ce7a01c2eecd5e0906f4d60b908b8d6f3844
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links that redirect to malicious infrastructure, specifically promoting "game hacks" and "free generators". The primary redirect URL is https://netcdn.xyz/app/406889139/coin-master-free-spons-apk-2021-game-hack. While no scripts were explicitly extracted, the PDF structure and heuristic firings indicate a malicious redirector designed to lure users to potentially harmful content, likely as part of a phishing or scam campaign.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9507

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/coin-master-free-spons-apk-2021-game-hack In PDF document text
    • http://wiesbadener-marktplatz.de/images/roblox-free-robux-no-human-verification_GM431946152.pdfIn PDF document text
    • http://wiesbadener-marktplatz.de/images/get-free-coins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://wiesbadener-marktplatz.de/images/spins-gratis-coin-master-hoy_GM406889139.pdfIn PDF document text
    • http://wiesbadener-marktplatz.de/images/coin-master-hack-no-survey_GM406889139.pdfIn PDF document text
    • http://wiesbadener-marktplatz.de/images/watch-ads-for-robux_GM431946152.pdfIn PDF document text
    • http://wiesbadener-marktplatz.de/images/coin-master-free-gift-link-2021_GM406889139.pdfIn PDF document text
    • http://wiesbadener-marktplatz.de/images/best-roblox-hacks_GM431946152.pdfIn PDF document text
    • http://wiesbadener-marktplatz.de/images/roblox-hacks-2021_GM431946152.pdfIn PDF document text
    • http://wiesbadener-marktplatz.de/images/free-minecraft-capes_GM479516143.pdfIn PDF document text
    • http://wiesbadener-marktplatz.de/images/free-coins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://wiesbadener-marktplatz.de/images/free-diamonds-coin-master_GM406889139.pdfIn PDF document text
    • http://wiesbadener-marktplatz.de/images/coin-master-claim-free-spins_GM406889139.pdfIn PDF document text
    • http://wiesbadener-marktplatz.de/images/mcpe-free-download_GM479516143.pdfIn PDF document text
    • http://wiesbadener-marktplatz.de/images/how-to-get-free-chest-in-coin-master_GM406889139.pdfIn PDF document text
    • http://wiesbadener-marktplatz.de/images/coin-master-coins-free_GM406889139.pdfIn PDF document text
    • http://wiesbadener-marktplatz.de/images/is-there-a-way-to-get-minecraft-for-free_GM479516143.pdfIn PDF document text
    • http://wiesbadener-marktplatz.de/images/free-coin-master-hacks-no-verification_GM406889139.pdfIn PDF document text
    • http://wiesbadener-marktplatz.de/images/how-to-get-minecraft-for-free-ios_GM479516143.pdfIn PDF document text
    • http://wiesbadener-marktplatz.de/images/como-hackear-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://wiesbadener-marktplatz.de/images/free-spins-coin-master-links-blogspot_GM406889139.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_off00004905.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4905 25580 bytes
SHA-256: 507ba89b6355e006039f663822d8a22e5cc3f58d5e77d9b11ae6dffd24c0419a
font_01_sfnt_off0000845c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x845C 2928 bytes
SHA-256: 652c9d6b5dbb31610bb81f6802b582c4f41485d852b066b4caffa55894b38973
font_02_sfnt_off00008e7a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8E7A 18456 bytes
SHA-256: 29cdb33c079fef0813399b5d3456e0cee6bb382532089b205a8c189028fb290e

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