Malicious PDF — malware analysis report

Static analysis result for SHA-256 7af5bd1f60e8f10b…

MALICIOUS

PDF

44.1 KB Created: 2021-06-08 20:00:31 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: f78014e101ad728c082f7be45f1f5722 SHA-1: db72929bc6eb8dff50eb1e9ea81007f176631e97 SHA-256: 7af5bd1f60e8f10bab1eb285f749081db68d69fc43dc9839d3af79fd8ba9118d
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

This PDF document contains multiple links to known malicious redirectors, masquerading as game hacks and generators. The primary lure is a link to 'how-2-hack-roblox-game-hack', which is part of a chain leading to malicious infrastructure. The document's structure and embedded links suggest an attempt to trick users into visiting compromised sites, likely for further exploitation or malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9865

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.tw/app/431946152/how-2-hack-roblox-game-hack In PDF document text
    • https://www.gejovenlo.nl/images/free-roblox-account-generator_GM431946152.pdfIn PDF document text
    • https://www.gejovenlo.nl/images/free-robux-generator-for-kids_GM431946152.pdfIn PDF document text
    • https://www.gejovenlo.nl/images/free-roblox-accounts-2021-with-robux_GM431946152.pdfIn PDF document text
    • https://www.gejovenlo.nl/images/minecraft-hack-ios_GM479516143.pdfIn PDF document text
    • https://www.gejovenlo.nl/images/free-robux-giveaway-live_GM431946152.pdfIn PDF document text
    • https://www.gejovenlo.nl/images/free-coinmaster-spins_GM406889139.pdfIn PDF document text
    • https://www.gejovenlo.nl/images/how-to-make-a-minecraft-server-for-free_GM479516143.pdfIn PDF document text
    • https://www.gejovenlo.nl/images/oprewards-free-robux_GM431946152.pdfIn PDF document text
    • https://www.gejovenlo.nl/images/coin-master-spins-for-free_GM406889139.pdfIn PDF document text
    • https://www.gejovenlo.nl/images/download-hacked-games-com-coin-master_GM406889139.pdfIn PDF document text
    • https://www.gejovenlo.nl/images/roblox-games-free_GM431946152.pdfIn PDF document text
    • https://www.gejovenlo.nl/images/drawing-on-free-draw-roblox_GM431946152.pdfIn PDF document text
    • https://www.gejovenlo.nl/images/get-robux-com_GM431946152.pdfIn PDF document text
    • https://www.gejovenlo.nl/images/mcpe-free-download_GM479516143.pdfIn PDF document text
    • https://www.gejovenlo.nl/images/free-tiktok-followers-no-human-verification-or-survey_GM835599320.pdfIn PDF document text
    • https://www.gejovenlo.nl/images/minecraft-free-play-no-download_GM479516143.pdfIn PDF document text
    • https://www.gejovenlo.nl/images/how-to-hack-roblox-accounts-2021_GM431946152.pdfIn PDF document text
    • https://www.gejovenlo.nl/images/how-to-get-free-robux-hack-2021_GM431946152.pdfIn PDF document text
    • https://www.gejovenlo.nl/images/free-robux-script_GM431946152.pdfIn PDF document text
    • https://www.gejovenlo.nl/images/rblx-city-free-robux_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_004_off00005072.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x5072 24896 bytes
SHA-256: 459512891546a2375d36f42fba40518127a7c6458af217c8f049fad3b00a2f9d
font_01_sfnt_off000088f0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x88F0 18472 bytes
SHA-256: c8aa6a5f9d0878f03a1695cff104d615c0439884c42da05d42d36df1d15cf971

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