Malicious PDF — malware analysis report

Static analysis result for SHA-256 05d19a9f96f2793e…

MALICIOUS

PDF

41.3 KB Created: 2021-05-17 17:35:27 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 6a7fbf3e97ea55888f5be1f6a41f8d96 SHA-1: ade1b3934b60e4195bb917b562c8a074b2b41e40 SHA-256: 05d19a9f96f2793e6fcbcef93e308a9bffb564d88e0b140082da0872212af6e8
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF document contains multiple links to external websites, masquerading as game hacks and free currency generators. These links are identified as malicious redirectors, likely leading to further malicious content or phishing pages. The document body and embedded URLs strongly suggest a social engineering lure to entice users to click on these malicious links, which is a common tactic for malware distribution.

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/406889139/coin-master-invite-friends-free-spins-game-hack In PDF document text
    • https://mixdoors.ru:443/images/coin-master-hack-version-ios_GM406889139.pdfIn PDF document text
    • https://mixdoors.ru:443/images/javascript-free-robux_GM431946152.pdfIn PDF document text
    • https://mixdoors.ru:443/images/how-to-get-free-spins-in-coin-master_GM406889139.pdfIn PDF document text
    • https://mixdoors.ru:443/images/free-robux-hack_GM431946152.pdfIn PDF document text
    • https://mixdoors.ru:443/images/coin-master-in-app-purchase-hack_GM406889139.pdfIn PDF document text
    • https://mixdoors.ru:443/images/how-to-hack-roblox-to-get-free-robux_GM431946152.pdfIn PDF document text
    • https://mixdoors.ru:443/images/master-coin-free-spin_GM406889139.pdfIn PDF document text
    • https://mixdoors.ru:443/images/watch-videos-for-robux_GM431946152.pdfIn PDF document text
    • https://mixdoors.ru:443/images/roblox-rewards-robux_GM431946152.pdfIn PDF document text
    • https://mixdoors.ru:443/images/coin-master-free-spin-and-coin-link-today_GM406889139.pdfIn PDF document text
    • https://mixdoors.ru:443/images/roblox-character-free_GM431946152.pdfIn PDF document text
    • https://mixdoors.ru:443/images/how-to-get-robux-for-free-2021_GM431946152.pdfIn PDF document text
    • https://mixdoors.ru:443/images/coin-master-daily-gifts_GM406889139.pdfIn PDF document text
    • https://mixdoors.ru:443/images/coin-master-hack-programmers_GM406889139.pdfIn PDF document text
    • https://mixdoors.ru:443/images/coin-master-daily-gift-free-spins-and-coins-link_GM406889139.pdfIn PDF document text
    • https://mixdoors.ru:443/images/roblox-hacks-2021_GM431946152.pdfIn PDF document text
    • https://mixdoors.ru:443/images/free-flip-master-coins_GM406889139.pdfIn PDF document text
    • https://mixdoors.ru:443/images/free-spin-coin-master-link-download_GM406889139.pdfIn PDF document text
    • https://mixdoors.ru:443/images/coin-master-free-spins-link-2021-blogger_GM406889139.pdfIn PDF document text
    • https://mixdoors.ru:443/images/coin-master-free-coins-and-spins-link_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
font_00_sfnt_off00004839.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4839 24972 bytes
SHA-256: 1b0427ee1f7a503d4ea207025850b72d8975fa8bc7e6060c07e8a121e092cd64
font_01_sfnt_off00007f4f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7F4F 18172 bytes
SHA-256: 894a1adcc26929d36602ddbdb38684ee1c59a25b9ea4d8d8786e8c61a01daafb

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