Malicious PDF — malware analysis report

Static analysis result for SHA-256 da5bc80ea2c30c3c…

MALICIOUS

PDF

43.0 KB Created: 2021-05-14 15:52:21 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: eb4349d3526652519bbcee511ee59085 SHA-1: 87e78dc5b3410d65a5d23ab8337ea10fec2aae5a SHA-256: da5bc80ea2c30c3c88033bfafbe8ec85d0f6e67c68a410332b376a787e537966
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains embedded links that redirect to a known malicious domain, masquerading as a game hack generator. The document body and heuristics indicate a lure for free game currency or hacks, likely intended to lead users to a phishing or malware download site. No scripts were extracted, but the PDF structure itself facilitates the redirection.

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-free-coins-link-blogspot-game-hack In PDF document text
    • https://www.ma-plast.hr/files/coin-master-hack-tool-v1-9-download-free_GM406889139.pdfIn PDF document text
    • https://www.ma-plast.hr/files/best-free-robux-sites_GM431946152.pdfIn PDF document text
    • https://www.ma-plast.hr/files/how-to-get-free-coins-on-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://www.ma-plast.hr/files/www-roblox-com-robux_GM431946152.pdfIn PDF document text
    • https://www.ma-plast.hr/files/robux-com-free_GM431946152.pdfIn PDF document text
    • http://www.ma-plast.hr/files/minecraft-free-demo_GM479516143.pdfIn PDF document text
    • http://www.ma-plast.hr/files/how-to-play-minecraft-with-friends-for-free_GM479516143.pdfIn PDF document text
    • http://www.ma-plast.hr/files/free-25-spins-coin-master-links_GM406889139.pdfIn PDF document text
    • https://www.ma-plast.hr/files/free-coins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://www.ma-plast.hr/files/how-do-you-hack-minecraft_GM479516143.pdfIn PDF document text
    • http://www.ma-plast.hr/files/blox-rewards_GM431946152.pdfIn PDF document text
    • https://www.ma-plast.hr/files/free-spin-in-coin-master_GM406889139.pdfIn PDF document text
    • http://www.ma-plast.hr/files/coin-master-free-spins-link-download-free_GM406889139.pdfIn PDF document text
    • https://www.ma-plast.hr/files/roblox-online-free-no-download_GM431946152.pdfIn PDF document text
    • https://www.ma-plast.hr/files/minecraft-java-edition-code-free_GM479516143.pdfIn PDF document text
    • http://www.ma-plast.hr/files/free-robux-that-actually-works-2021_GM431946152.pdfIn PDF document text
    • https://www.ma-plast.hr/files/coin-master-free-spins-and-coins-link-blogspot_GM406889139.pdfIn PDF document text
    • https://www.ma-plast.hr/files/minecraft-free-download-ios_GM479516143.pdfIn PDF document text
    • https://www.ma-plast.hr/files/cheats-for-coin-master_GM406889139.pdfIn PDF document text
    • https://www.ma-plast.hr/files/minecraft-bedrock-edition-download-pc-free_GM479516143.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_off00004bd1.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4BD1 25268 bytes
SHA-256: 75a549ea2151e43b032f838f279bfe365d289cc499a5312e5629d385b6a6fe51
font_01_sfnt_off0000849f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x849F 18632 bytes
SHA-256: 25a48d095538c21b3574d128913f1d88808f27fbb4560e17bb648f934a14342e

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