Malicious PDF — malware analysis report

Static analysis result for SHA-256 a78b9ca7d53762e5…

MALICIOUS

PDF

43.9 KB Created: 2021-05-17 05:00:12 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: d5beb79d282964b33bbc40a0deaeedc1 SHA-1: 7d6291aa246ffc33849ccb64b3f49f7e61fef9ca SHA-256: a78b9ca7d53762e5a50080cc307813e5dbca115df4054865d52b13bbd4102228
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links to known malicious redirectors, disguised as offers for free in-game currency and hacks. The primary lure URL is https://netcdn.xyz/app/479516143/how-to-get-free-minecoins-in-minecraft-game-hack, which is associated with a 'game hack' lure. The document body and embedded URLs suggest a social engineering tactic to trick users into visiting malicious sites, likely for further malware delivery or credential harvesting.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9969

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/how-to-get-free-minecoins-in-minecraft-game-hack In PDF document text
    • http://demenagementlandry.com/images/coin-master-34-4-free-download_GM406889139.pdfIn PDF document text
    • http://demenagementlandry.com/images/free-robux-no-human-verification-or-survey-2021_GM431946152.pdfIn PDF document text
    • http://demenagementlandry.com/images/free-robux-app_GM431946152.pdfIn PDF document text
    • http://demenagementlandry.com/images/coin-master-card-hack-app_GM406889139.pdfIn PDF document text
    • http://demenagementlandry.com/images/roblox-com-hack_GM431946152.pdfIn PDF document text
    • http://demenagementlandry.com/images/coin-master-free-spins-for-today_GM406889139.pdfIn PDF document text
    • http://demenagementlandry.com/images/coin-master-free-in-app-purchases-jailbreak_GM406889139.pdfIn PDF document text
    • http://demenagementlandry.com/images/mcpe-optifine_GM479516143.pdfIn PDF document text
    • http://demenagementlandry.com/images/moonactive-coin-master-free-spins-link_GM406889139.pdfIn PDF document text
    • http://demenagementlandry.com/images/dominus-roblox-free_GM431946152.pdfIn PDF document text
    • http://demenagementlandry.com/images/coin-master-hack-tool-v1-9-download-free_GM406889139.pdfIn PDF document text
    • http://demenagementlandry.com/images/coin-master-com_GM406889139.pdfIn PDF document text
    • http://demenagementlandry.com/images/free-back-accessories-roblox_GM431946152.pdfIn PDF document text
    • http://demenagementlandry.com/images/free-robux-today_GM431946152.pdfIn PDF document text
    • http://demenagementlandry.com/images/coin-master-fun-free-spins_GM406889139.pdfIn PDF document text
    • http://demenagementlandry.com/images/free-spins-coin-master-hack-2021_GM406889139.pdfIn PDF document text
    • http://demenagementlandry.com/images/free-24-7-minecraft-server_GM479516143.pdfIn PDF document text
    • http://demenagementlandry.com/images/roblox-help-free-robux_GM431946152.pdfIn PDF document text
    • http://demenagementlandry.com/images/minecraft-images-free_GM479516143.pdfIn PDF document text
    • http://demenagementlandry.com/images/free-daily-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004b59.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4B59 28652 bytes
SHA-256: 0dc1ce4bcacd67dc09fddc4a57227ad11dbe3890373b21e94e700d35b2075860
font_01_sfnt_off00008ac7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8AC7 17872 bytes
SHA-256: 81b1d154aec9bd98ecdb2ab8ecc7cbe93e1e8bf82edf60babb6ca5717914fb66

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