Malicious PDF — malware analysis report

Static analysis result for SHA-256 e2ea09d4bbd10957…

MALICIOUS

PDF

50.0 KB Created: 2021-06-10 15:22:49 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 38b96b8a38c6cf254ba34beef61ce6df SHA-1: 28f157b36fdeb20acb963dade3d59550e8497c9b SHA-256: e2ea09d4bbd10957a2d24d60ac252b56136a14c575c0fd7a2cee9896bdb26b1e
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to redirectors and known malicious infrastructure, disguised as game hacks and generators. The document body, though heavily obfuscated, contains references to these lures and embedded URLs. This suggests the primary purpose is to trick the user into downloading a malicious payload via these links.

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.tw/app/431946152/how-to-get-free-dinos-in-dino-sim-roblox-game-hack In PDF document text
    • http://aeridefense.com/image/data/files/minecraft-free-install_GM479516143.pdfIn PDF document text
    • http://aeridefense.com/image/data/files/how-to-get-free-coins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://aeridefense.com/image/data/files/make-free-robux_GM431946152.pdfIn PDF document text
    • http://aeridefense.com/image/data/files/how-to-get-minecraft-pocket-edition-for-free_GM479516143.pdfIn PDF document text
    • http://aeridefense.com/image/data/files/gtools-roblox-hack_GM431946152.pdfIn PDF document text
    • http://aeridefense.com/image/data/files/how-to-generate-free-coin-master-spin_GM406889139.pdfIn PDF document text
    • http://aeridefense.com/image/data/files/free-robux-no-human-verification-or-survey_GM431946152.pdfIn PDF document text
    • http://aeridefense.com/image/data/files/coin-master-free-spins-link-2021-today_GM406889139.pdfIn PDF document text
    • http://aeridefense.com/image/data/files/free-spins-and-coins-coin-master-link-2021_GM406889139.pdfIn PDF document text
    • http://aeridefense.com/image/data/files/robux-hack-2021_GM431946152.pdfIn PDF document text
    • http://aeridefense.com/image/data/files/coin-master-hack-https-coinms-net_GM406889139.pdfIn PDF document text
    • http://aeridefense.com/image/data/files/free-roblox-adopt-me-accounts_GM431946152.pdfIn PDF document text
    • http://aeridefense.com/image/data/files/coin-master-daily-free-spins-blogspot_GM406889139.pdfIn PDF document text
    • http://aeridefense.com/image/data/files/spins-coin-master_GM406889139.pdfIn PDF document text
    • http://aeridefense.com/image/data/files/ccv3-cheat-engine-roblox_GM431946152.pdfIn PDF document text
    • http://aeridefense.com/image/data/files/how-to-get-minecraft-for-free-ios_GM479516143.pdfIn PDF document text
    • http://aeridefense.com/image/data/files/coin-master-hack-tool-pc-download_GM406889139.pdfIn PDF document text
    • http://aeridefense.com/image/data/files/coin-master-free-daily-spins-and-coins_GM406889139.pdfIn PDF document text
    • http://aeridefense.com/image/data/files/get-minecraft-windows-10-free_GM479516143.pdfIn PDF document text
    • http://aeridefense.com/image/data/files/get-free-robux-info_GM431946152.pdfIn PDF document text
    • https://direct-link.netIn 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
font_00_sfnt_off000054bd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x54BD 26424 bytes
SHA-256: 97a2ea9fd04f0d55d90ceabd44444f52938b3158cc039227047220e542c699d6
font_01_sfnt_off0000925f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x925F 5696 bytes
SHA-256: 450e3ee45915afe13702bf1d587eb8b9ad88a8d2113419ac9f2fd116a828e139
font_02_sfnt_off00009f71.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9F71 18764 bytes
SHA-256: 43a498a0a6b78cc34dd411620ad5ac9fe871f9bab4889e4981a8a5a243a02634