Malicious PDF — malware analysis report

Static analysis result for SHA-256 882e29cb227f50bf…

MALICIOUS

PDF

44.6 KB Created: 2021-06-11 09:49:35 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 769538e49239692153e2fe4887fcd0d1 SHA-1: 7a00ce831a9005daf88229634e923aafea9ad54e SHA-256: 882e29cb227f50bf8f03eb8975e58bd5cb0711009e5076e5cb1575a4e4a2c876
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a lure for game hacks and free generators, directing users to a malicious URL. This URL is flagged as a known malicious redirector, indicating a high likelihood of leading to malware download or a phishing attempt. The presence of multiple embedded URLs further supports this malicious workflow.

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/realhack-for-roblox-real-coding-hack-for-robux-game-hack In PDF document text
    • https://repository.stikesindramayu.ac.id/repository/master-coin-free-spin_GM406889139.pdfIn PDF document text
    • https://repository.stikesindramayu.ac.id/repository/hacks-de-roblox-booga-booga_GM431946152.pdfIn PDF document text
    • https://repository.stikesindramayu.ac.id/repository/how-to-hack-roblox-with-cheat-engine-64_GM431946152.pdfIn PDF document text
    • https://repository.stikesindramayu.ac.id/repository/free-robux-obby-june-2021_GM431946152.pdfIn PDF document text
    • https://repository.stikesindramayu.ac.id/repository/coin-master-free-spin-group_GM406889139.pdfIn PDF document text
    • https://repository.stikesindramayu.ac.id/repository/free-robux-no-human-verification-2021-ios_GM431946152.pdfIn PDF document text
    • https://repository.stikesindramayu.ac.id/repository/free-attacks-coin-master_GM406889139.pdfIn PDF document text
    • https://repository.stikesindramayu.ac.id/repository/pubg-uc-jazz-cash_GM1330123889.pdfIn PDF document text
    • https://repository.stikesindramayu.ac.id/repository/free-robux-instantly_GM431946152.pdfIn PDF document text
    • https://repository.stikesindramayu.ac.id/repository/how-to-hack-coin-master-with-root_GM406889139.pdfIn PDF document text
    • https://repository.stikesindramayu.ac.id/repository/free-robux-generator-real-2021_GM431946152.pdfIn PDF document text
    • https://repository.stikesindramayu.ac.id/repository/coin-master-hack-mod-apk-35-8_GM406889139.pdfIn PDF document text
    • https://repository.stikesindramayu.ac.id/repository/haktuts-coin-master_GM406889139.pdfIn PDF document text
    • https://repository.stikesindramayu.ac.id/repository/coin-master-hack-app_GM406889139.pdfIn PDF document text
    • https://repository.stikesindramayu.ac.id/repository/roblox-shirt-template-designs-free_GM431946152.pdfIn PDF document text
    • https://repository.stikesindramayu.ac.id/repository/coin-master-free-spins-link-today_GM406889139.pdfIn PDF document text
    • https://repository.stikesindramayu.ac.id/repository/open-roblox-hack-script_GM431946152.pdfIn PDF document text
    • https://repository.stikesindramayu.ac.id/repository/pubg-uc-daraz_GM1330123889.pdfIn PDF document text
    • https://repository.stikesindramayu.ac.id/repository/free-coins-for-coin-master_GM406889139.pdfIn PDF document text
    • https://repository.stikesindramayu.ac.id/repository/can-you-get-minecraft-for-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_004_off00005168.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x5168 24500 bytes
SHA-256: 98ea59171c45089f749e03757a3cd36aa513619f073c142d7f778450e4560674
font_01_sfnt_off0000891c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x891C 19236 bytes
SHA-256: 023a541a6ea7141a22e338a84209012b0c5f28ba3e63b22d4e3db6ac3c7e8ba5

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