PDF static analysis report

Static analysis result for SHA-256 5bcf871098f59407…

SUSPICIOUS

PDF

45.0 KB Created: 2021-06-10 13:43:58 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 437b0c55393a3e7c0f4cc9e107fef482 SHA-1: 10dd3dc2c92d6d6afdaedfbd50e74ab98f6fc733 SHA-256: 5bcf871098f594070870a05edb7319d93c7ca098c4356b593f3215765e3804cc
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a lure for free Robux, directing users to an external URL. The ML classifier flagged this PDF with high confidence, and the embedded URL points to a domain associated with potentially malicious content. While no scripts were directly extracted, the document's structure and the presence of an external URI suggest an attempt to redirect users to a malicious site, likely for a scam or to download further malware.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9865

Heuristics 3

  • 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.tw/app/431946152/how-do-you-get-free-robux-on-android-game-hack PDF link annotation
    • http://katalog.ireyogya.org/repository/coin-master-hack-tool-access-online-generator_GM406889139.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/how-to-hack-robux_GM431946152.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/how-to-hack-into-someones-roblox-account_GM431946152.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/free-robux-script_GM431946152.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/can-lucky-patcher-hack-coin-master_GM406889139.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/free-robux-no-anti-bot-verification_GM431946152.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/app-for-pubg-uc_GM1330123889.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/free-spins-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/roblox-assassin_GM431946152.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/how-to-get-robux-for-free-2021_GM431946152.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/https-iosgodscom-topic-20218flipmastercoinshack_GM406889139.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/how-to-get-free-robux-without-paying_GM431946152.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/best-way-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/robux-gainer_GM431946152.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/universal-minecraft-converter-free_GM479516143.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/how-to-hack-in-arsenal_GM431946152.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/was-minecraft-ever-free_GM479516143.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/free-coins-coin-master-ios_GM406889139.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/roblox-hack-site_GM431946152.pdfIn PDF document text
    • http://katalog.ireyogya.org/repository/haktuts-free-spins_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_off000050e3.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x50E3 24340 bytes
SHA-256: 9b21090cb6dfa09980ac3f47ea5980b39ced2d2f919d74fe4c8940b4999fbf39
font_01_sfnt_off000087eb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x87EB 20124 bytes
SHA-256: 413afb41d69f119de81f18647f7ba4cbdefae9f1a90ee08d256dabdf345913bf