PDF static analysis report

Static analysis result for SHA-256 8bcc80a6cc7441ca…

SUSPICIOUS

PDF

45.2 KB Created: 2021-06-10 23:11:41 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: 3b1549f52010117b5b6f62e0d3b49908 SHA-1: 3e546c81e2675a8e0307df2f650f30172115cb77 SHA-256: 8bcc80a6cc7441ca26871a157a4df08349eeca7c86a9054e290025bcd3aa4d23
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a lure for free in-game currency, directing users to external URLs that likely host malicious payloads or further phishing content. The presence of embedded URLs and a high ML classifier score indicate a suspicious nature. While no scripts were directly extracted, the PDF structure and embedded URIs suggest an attempt to exploit user interest in game cheats to deliver 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/roblox-robux-hack-tool-no-survey-game-hack PDF link annotation
    • https://reggieslockandkey.com/images/how-to-buy-stuff-with-no-robux-hack_GM431946152.pdfIn PDF document text
    • http://reggieslockandkey.com/images/coin-master-free-spins-fb_GM406889139.pdfIn PDF document text
    • https://reggieslockandkey.com/images/robux-apk_GM431946152.pdfIn PDF document text
    • https://reggieslockandkey.com/images/how-to-get-free-clothes-on-roblox_GM431946152.pdfIn PDF document text
    • http://reggieslockandkey.com/images/how-to-get-free-robux-by-watching-ads-2021_GM431946152.pdfIn PDF document text
    • http://reggieslockandkey.com/images/roblox-free-robux-no-verification_GM431946152.pdfIn PDF document text
    • https://reggieslockandkey.com/images/free-robux-promo-codes_GM431946152.pdfIn PDF document text
    • https://reggieslockandkey.com/images/coin-master-gameplay_GM406889139.pdfIn PDF document text
    • https://reggieslockandkey.com/images/tiktok-viewer-free_GM835599320.pdfIn PDF document text
    • http://reggieslockandkey.com/images/tiktok-for-free_GM835599320.pdfIn PDF document text
    • http://reggieslockandkey.com/images/roblox-cheats-november-2021_GM431946152.pdfIn PDF document text
    • http://reggieslockandkey.com/images/www-robux-com_GM431946152.pdfIn PDF document text
    • http://reggieslockandkey.com/images/pubg-uc-midasbuy_GM1330123889.pdfIn PDF document text
    • https://reggieslockandkey.com/images/daily-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://reggieslockandkey.com/images/how-to-hack-coin-master_GM406889139.pdfIn PDF document text
    • http://reggieslockandkey.com/images/coin-master-home_GM406889139.pdfIn PDF document text
    • http://reggieslockandkey.com/images/free-promo-codes-for-robux_GM431946152.pdfIn PDF document text
    • https://reggieslockandkey.com/images/coin-master-card-hack-apk_GM406889139.pdfIn PDF document text
    • https://reggieslockandkey.com/images/minecraft-windows-10-edition-free-download_GM479516143.pdfIn PDF document text
    • https://reggieslockandkey.com/images/minecraft-pe-free_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_004_off000050b9.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x50B9 26040 bytes
SHA-256: 6fdabfb39be61dbdaa06e026d34fbdc5028c4b3c3154198614026ffd04e60261
font_01_sfnt_off00008cd4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8CD4 18616 bytes
SHA-256: 866aa8b728c9b06260ebf52e4418dbf8176358196ecd1b18242e223b7eb0e936