Malicious PDF — malware analysis report

Static analysis result for SHA-256 1de895618097a8be…

MALICIOUS

PDF

42.0 KB Created: 2021-05-11 13:30:57 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 338d1a85513fb75c1d20643dbcb74ff8 SHA-1: a7197136cac724717ffde454d781c04bca2f3f2e SHA-256: 1de895618097a8beeec68fa4b5a2837bcb63cdf0040902c561ca55b780391fb4
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links that redirect to a malicious domain, masquerading as a game hack generator. The heuristic firings indicate that this is a known malicious redirector and a lure for game-related cheats. While no scripts were explicitly extracted, the nature of the embedded links and the lure suggest an attempt to trick the user into downloading a second-stage payload.

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/free-coin-master-game-game-hack In PDF document text
    • http://leigraphics.com/images/claim-roblox_GM431946152.pdfIn PDF document text
    • http://leigraphics.com/images/cool-free-minecraft-skins_GM479516143.pdfIn PDF document text
    • http://leigraphics.com/images/earn-robux-today_GM431946152.pdfIn PDF document text
    • http://leigraphics.com/images/free-coin-master-spins-2021_GM406889139.pdfIn PDF document text
    • http://leigraphics.com/images/coin-master-free-coins-cheat_GM406889139.pdfIn PDF document text
    • http://leigraphics.com/images/free-robux-generator-without-verification_GM431946152.pdfIn PDF document text
    • http://leigraphics.com/images/uprobuxcom-free-robux_GM431946152.pdfIn PDF document text
    • http://leigraphics.com/images/coin-master-hack-tool-v1-9-download-free-pc_GM406889139.pdfIn PDF document text
    • http://leigraphics.com/images/coin-master-hack-xyz_GM406889139.pdfIn PDF document text
    • http://leigraphics.com/images/free-robux-no-survey_GM431946152.pdfIn PDF document text
    • http://leigraphics.com/images/game-hack-coin-master_GM406889139.pdfIn PDF document text
    • http://leigraphics.com/images/coin-master-fan_GM406889139.pdfIn PDF document text
    • http://leigraphics.com/images/free-roblox-exploits_GM431946152.pdfIn PDF document text
    • http://leigraphics.com/images/apk-hack-coin-master_GM406889139.pdfIn PDF document text
    • http://leigraphics.com/images/free-minecraft-alt-accounts_GM479516143.pdfIn PDF document text
    • http://leigraphics.com/images/will-minecraft-dungeons-be-free_GM479516143.pdfIn PDF document text
    • http://leigraphics.com/images/robux-xyz_GM431946152.pdfIn PDF document text
    • http://leigraphics.com/images/coin-master-coins-free_GM406889139.pdfIn PDF document text
    • http://leigraphics.com/images/free-coins_GM406889139.pdfIn PDF document text
    • http://leigraphics.com/images/roblox-free-executor_GM431946152.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_off000048c3.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x48C3 25084 bytes
SHA-256: be15e8bb1a71ed93520877c73420954cb5a0dfa09094572e05e3489d39ac239d
font_01_sfnt_off000082e4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x82E4 17968 bytes
SHA-256: 26c9c4b875abe90d5a203e632a25aafef6162dffda8186c61deacbdf7b71a521

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