Malicious PDF — malware analysis report

Static analysis result for SHA-256 e865505a96da468e…

MALICIOUS

PDF

49.5 KB Created: 2021-06-02 16:15:12 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 89260f1534d056c71052452005008af4 SHA-1: e766536c4aae8831de8a367ec12140d0ad8d62df SHA-256: e865505a96da468e671679e4423f044074dd84d61a4c16ecea83e70f861be80a
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to websites that offer game hacks and cheats, with a primary link identified as a malicious redirector. The document body, though heavily obfuscated, contains references to 'Roblox Jaiilbreak Cheats' and a URL matching the malicious redirector. This indicates a social engineering lure to drive users to potentially malicious sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9796

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/431946152/roblox-jaiilbreak-cheats-game-hack In PDF document text
    • http://cosmosdawn.net/images/apps-to-hack-coin-master_GM406889139.pdfIn PDF document text
    • http://cosmosdawn.net/images/coin-master-free-fire_GM406889139.pdfIn PDF document text
    • http://cosmosdawn.net/images/minecraft-java-free-trial_GM479516143.pdfIn PDF document text
    • https://www.cosmosdawn.net/images/free-account-roblox-2021_GM431946152.pdfIn PDF document text
    • https://www.cosmosdawn.net/images/roblox-phantom-forces-hack_GM431946152.pdfIn PDF document text
    • http://cosmosdawn.net/images/free-pet-treats-coin-master_GM406889139.pdfIn PDF document text
    • http://cosmosdawn.net/images/how-to-get-free-robux-website_GM431946152.pdfIn PDF document text
    • https://www.cosmosdawn.net/images/how-to-hack-minecraft_GM479516143.pdfIn PDF document text
    • https://www.cosmosdawn.net/images/coin-master-mod-apk-free-download-for-android_GM406889139.pdfIn PDF document text
    • http://cosmosdawn.net/images/www-roblox-com-robux-free_GM431946152.pdfIn PDF document text
    • https://www.cosmosdawn.net/images/coin-master-free-2021-spin-link_GM406889139.pdfIn PDF document text
    • http://cosmosdawn.net/images/coin-master-free-spins-link-2021-iphone_GM406889139.pdfIn PDF document text
    • http://cosmosdawn.net/images/minecraft-pocket-edition-hack_GM479516143.pdfIn PDF document text
    • https://www.cosmosdawn.net/images/free-robux-generator-no-human-verification-2021_GM431946152.pdfIn PDF document text
    • http://cosmosdawn.net/images/coin-master-hack-xyz-download_GM406889139.pdfIn PDF document text
    • http://cosmosdawn.net/images/wurst-112-2_GM479516143.pdfIn PDF document text
    • https://www.cosmosdawn.net/images/minecraft-launcher-free_GM479516143.pdfIn PDF document text
    • http://cosmosdawn.net/images/roblox-hack-codes_GM431946152.pdfIn PDF document text
    • https://www.cosmosdawn.net/images/how-to-get-free-robux-for-real_GM431946152.pdfIn PDF document text
    • http://cosmosdawn.net/images/free-spins-on-coin-master-generator_GM406889139.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off00004ffd.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4FFD 28104 bytes
SHA-256: 015b305ab5dd62a9357840cf6e2a5d744a8f6846b7b4afb560d924eef811ea51
font_01_sfnt_off000090d7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x90D7 3884 bytes
SHA-256: 40b61f8938bd710dc29dc58ba3fde91c245a6a69596ec569b4d27c769ca417cf
font_02_sfnt_off00009d7f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9D7F 18740 bytes
SHA-256: 4952ad025a6a037f9e7018fa49d9017cce10824523b19a360aa9499f5c7c585b

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