Malicious PDF — malware analysis report

Static analysis result for SHA-256 d535119335f01413…

MALICIOUS

PDF

36.7 KB Created: 2021-05-21 19:16:50 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: b2a16b735e4f098b3bf1d9d9e6bc5286 SHA-1: aca5e514917e0871a41c1a0d09d3ba4b7b43f2b3 SHA-256: d535119335f01413c70fe52d12bd50f9967099d6658d68c4baf1e203bfbc3fee
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution T1071.001 Web Protocols

The PDF document contains a lure for a "Free Minecraft Skin Maker" and a "CLICK HERE TO ACCESS MINECRAFT GENERATOR" call to action. This leads to a malicious URL, `https://netcdn.xyz/app/479516143/free-minecraft-skin-maker-game-hack`, which impersonates Microsoft. The ML classifier strongly flagged this PDF as malicious. The presence of embedded URLs and the brand impersonation heuristic indicate a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9447

Heuristics 4

  • 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/free-minecraft-skin-maker-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
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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/free-minecraft-skin-maker-game-hack PDF link annotation
    • http://elearning.mtsn1sintang.sch.id/__statics/gudangsoal/files/how-to-get-free-robux-without-offers_GM431946152.pdfIn PDF document text
    • http://elearning.mtsn1sintang.sch.id/__statics/gudangsoal/files/cute-free-hair-on-roblox_GM431946152.pdfIn PDF document text
    • http://elearning.mtsn1sintang.sch.id/__statics/gudangsoal/files/free-spin-and-coin-blogspot-com_GM406889139.pdfIn PDF document text
    • http://elearning.mtsn1sintang.sch.id/__statics/gudangsoal/files/roblox-its-free_GM431946152.pdfIn PDF document text
    • http://elearning.mtsn1sintang.sch.id/__statics/gudangsoal/files/google-moon-active_GM406889139.pdfIn PDF document text
    • http://www.freenom.comHeyIn 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
font_00_sfnt_off000036df.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x36DF 24884 bytes
SHA-256: d587c65bec17e57726e0c552866ece9b19228fecd714688a33c0b12947f0d7ed
font_01_sfnt_off0000701f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x701F 17740 bytes
SHA-256: 7e8236a58a56ce0148da12d4a95e9c7df934e3b28e502a8d8a58237e3f9d26f8

Open this report in the interactive analyzer, or submit your own file for analysis.