Malicious PDF — malware analysis report

Static analysis result for SHA-256 dadd6eb7e8f2779e…

MALICIOUS

PDF

41.9 KB Created: 2021-05-18 03:46:36 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: f4013450578d6d681469b2850b851955 SHA-1: c92177b9a1dc48df179d4aec87b9fdca44f632ed SHA-256: dadd6eb7e8f2779e34482fd103a94ce22600a63b5b157be88e7334f0b67101a9
200 Risk Score

Malware Insights

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

The PDF contains multiple links to known malicious redirectors and impersonates Microsoft to lure users with 'game hack' or 'free generator' lures. The primary link, https://netcdn.xyz/app/479516143/how-to-get-minecraft-for-free-on-phone-game-hack, is associated with credential phishing and potentially malware distribution. No scripts were extracted, but the document structure and embedded links strongly indicate a phishing or malware delivery attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

Heuristics 5

  • 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.
  • Brand-impersonation credential phishing lure high SE_BRAND_CREDENTIAL_PHISH
    Document impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: call-to-action link host does not match the impersonated brand: https://netcdn.xyz/app/479516143/how-to-get-minecraft-for-free-on-phone-game-hack.
  • 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/479516143/how-to-get-minecraft-for-free-on-phone-game-hack In PDF document text
    • http://aeridefense.com/image/data/files/roblox-hack-generator_GM431946152.pdfIn PDF document text
    • http://aeridefense.com/image/data/files/where-can-i-get-free-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://aeridefense.com/image/data/files/coin-master-cheat-to-get-free-spins_GM406889139.pdfIn PDF document text
    • http://aeridefense.com/image/data/files/minecraft-hacks_GM479516143.pdfIn PDF document text
    • http://aeridefense.com/image/data/files/rbx-gg-free-robux_GM431946152.pdfIn PDF document text
    • http://aeridefense.com/image/data/files/free-spins-on-coin-master-game_GM406889139.pdfIn PDF document text
    • http://aeridefense.com/image/data/files/free-clothing-on-roblox_GM431946152.pdfIn PDF document text
    • http://aeridefense.com/image/data/files/wurst_GM479516143.pdfIn PDF document text
    • http://aeridefense.com/image/data/files/free-bedrock-minecraft_GM479516143.pdfIn PDF document text
    • http://aeridefense.com/image/data/files/free-free-robux_GM431946152.pdfIn PDF document text
    • http://aeridefense.com/image/data/files/how-to-get-free-robux-no-scam_GM431946152.pdfIn PDF document text
    • http://aeridefense.com/image/data/files/coin-master-hack-pc_GM406889139.pdfIn PDF document text
    • http://aeridefense.com/image/data/files/coin-master-free-cards-link-2021-today_GM406889139.pdfIn PDF document text
    • http://aeridefense.com/image/data/files/coin-master-hack-apk-android_GM406889139.pdfIn PDF document text
    • http://aeridefense.com/image/data/files/coin-master-free-link_GM406889139.pdfIn PDF document text
    • http://aeridefense.com/image/data/files/free-robux-no-downloading-apps_GM431946152.pdfIn PDF document text
    • http://aeridefense.com/image/data/files/free-spins-coin-master-app_GM406889139.pdfIn PDF document text
    • http://aeridefense.com/image/data/files/game-hunters-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://aeridefense.com/image/data/files/how-to-hack-roblox-accounts_GM431946152.pdfIn PDF document text
    • http://aeridefense.com/image/data/files/minecraft-survival-hacks_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_003_off00004933.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4933 25088 bytes
SHA-256: 75b087e0c8688d17782e9413e3d7c33168febd651bfc2b5da515e2b4401395fc
font_01_sfnt_off000081e9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x81E9 18192 bytes
SHA-256: 90b6a34edb34d309cd556a6b23817db9766b775643cedc81c4ce7203f03c64d4

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