Malicious PDF — malware analysis report

Static analysis result for SHA-256 95ebab090695bc13…

MALICIOUS

PDF

45.2 KB Created: 2021-06-11 08:06:10 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: d73b32e76ae2284f76dfad649e620abb SHA-1: 1a31da7bc71ebc1afa8e34c8307a01ec61688bb3 SHA-256: 95ebab090695bc13d7d71c642729db998b279a45991c1a04a7bc8b990a008fd0
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to known malicious redirectors, disguised as "game hacks" or "free generators" to lure users. The document body and embedded URLs suggest a phishing attempt related to popular online games. The ML classifier also flagged this PDF as malicious, increasing confidence in the assessment.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9864

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-to-get-a-dominus-for-free-in-roblox-game-hack In PDF document text
    • http://cosmosdawn.net/images/minecraft-free-ios-no-verification_GM479516143.pdfIn PDF document text
    • https://www.cosmosdawn.net/images/free-minecraft-skins-java_GM479516143.pdfIn PDF document text
    • https://www.cosmosdawn.net/images/minecraft-java-edition-free_GM479516143.pdfIn PDF document text
    • http://cosmosdawn.net/images/rbx-gg-free-robux_GM431946152.pdfIn PDF document text
    • http://cosmosdawn.net/images/robuxmatch-com-free-robux_GM431946152.pdfIn PDF document text
    • http://cosmosdawn.net/images/coin-master-daily-free-spins-link_GM406889139.pdfIn PDF document text
    • https://www.cosmosdawn.net/images/free-robux-safe_GM431946152.pdfIn PDF document text
    • https://www.cosmosdawn.net/images/coin-master-free-spin-and-coin_GM406889139.pdfIn PDF document text
    • http://cosmosdawn.net/images/minecraft-bedrock-edition-free_GM479516143.pdfIn PDF document text
    • https://www.cosmosdawn.net/images/minecraft-java-edition-download-free_GM479516143.pdfIn PDF document text
    • http://cosmosdawn.net/images/coin-master-free-coins-and-spins-daily_GM406889139.pdfIn PDF document text
    • http://cosmosdawn.net/images/coin-master-free-spin-realme-products_GM406889139.pdfIn PDF document text
    • https://www.cosmosdawn.net/images/how-to-hack-for-free-robux-2021_GM431946152.pdfIn PDF document text
    • https://www.cosmosdawn.net/images/free-robux-hack-on-pc-2021_GM431946152.pdfIn PDF document text
    • https://www.cosmosdawn.net/images/coin-master-hack-2021-no-survey_GM406889139.pdfIn PDF document text
    • http://cosmosdawn.net/images/how-to-hack-on-roblox-2021_GM431946152.pdfIn PDF document text
    • http://cosmosdawn.net/images/minecraft-java-edition-free-download_GM479516143.pdfIn PDF document text
    • https://www.cosmosdawn.net/images/free-robux-easy_GM431946152.pdfIn PDF document text
    • https://www.cosmosdawn.net/images/how-to-get-free-shirts-roblox-2021_GM431946152.pdfIn PDF document text
    • https://www.cosmosdawn.net/images/coin-master-daily-free-spins-link-today-haktuts_GM406889139.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_off000051a0.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x51A0 25380 bytes
SHA-256: 91d9cc750dc1bca10abac24fec2af847f366fef0482ea4911e3f9f506584d6cb
font_01_sfnt_off00008c60.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8C60 18904 bytes
SHA-256: d25b7b2fb10ddc4a54d2d3e1775314b8330f14a1aa12b08f62e0e7265a019f62

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