PDF static analysis report

Static analysis result for SHA-256 62ac4ff4d1e80444…

SUSPICIOUS

PDF

45.5 KB Created: 2021-06-09 09:56:02 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17
MD5: ed36d438d1d98b69f9095dd37fdcf673 SHA-1: 2105356aed6efebccb09117bcc2c5a8e3d45b319 SHA-256: 62ac4ff4d1e80444333bdf396861ffc0af60da90399d1112e67fb1a05038a195
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains an external URI pointing to a "free Robux generator" which is a common lure for malicious downloads. The ML classifier also flagged this PDF with high confidence. While no scripts were explicitly extracted, the presence of embedded URLs and the nature of the lure suggest an attempt to redirect the user to a site that likely hosts a malicious payload or further phishing content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9864

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/free-robux-generator-that-works-game-hack PDF link annotation
    • https://reggieslockandkey.com/images/how-to-hack-to-get-robux_GM431946152.pdfIn PDF document text
    • https://reggieslockandkey.com/images/twitter-coin-master-free-spins-link_GM406889139.pdfIn PDF document text
    • https://reggieslockandkey.com/images/free-script-executor-roblox-2021-no-virus_GM431946152.pdfIn PDF document text
    • https://reggieslockandkey.com/images/how-to-get-free-robux-easy-2021_GM431946152.pdfIn PDF document text
    • https://reggieslockandkey.com/images/minecraft-pocket-edition-hack_GM479516143.pdfIn PDF document text
    • https://reggieslockandkey.com/images/how-to-get-free-tiktok-fans-without-human-verification_GM835599320.pdfIn PDF document text
    • https://reggieslockandkey.com/images/free-robux-scams_GM431946152.pdfIn PDF document text
    • http://reggieslockandkey.com/images/coin-master-game-hack-link_GM406889139.pdfIn PDF document text
    • http://reggieslockandkey.com/images/minecraft-tiktok-hacks_GM479516143.pdfIn PDF document text
    • https://reggieslockandkey.com/images/free-coin-master-coins_GM406889139.pdfIn PDF document text
    • https://reggieslockandkey.com/images/robux-redeem_GM431946152.pdfIn PDF document text
    • https://reggieslockandkey.com/images/free-robux-hmtl_GM431946152.pdfIn PDF document text
    • https://reggieslockandkey.com/images/roblox-free-login_GM431946152.pdfIn PDF document text
    • https://reggieslockandkey.com/images/free-roblox-sound-effects_GM431946152.pdfIn PDF document text
    • https://reggieslockandkey.com/images/free-robux-obby-2021_GM431946152.pdfIn PDF document text
    • https://reggieslockandkey.com/images/get-tiktok-followers-free_GM835599320.pdfIn PDF document text
    • https://reggieslockandkey.com/images/free-spin-coin-master-apk_GM406889139.pdfIn PDF document text
    • https://reggieslockandkey.com/images/coin-master-free-spins-coins_GM406889139.pdfIn PDF document text
    • http://reggieslockandkey.com/images/how-to-get-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://reggieslockandkey.com/images/download-apk-tiktok-free_GM835599320.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_off000050d7.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x50D7 26188 bytes
SHA-256: 25663a6ea3b519543734ea9df89f90bf368eb169253eeac2bde4505a633fdab4
font_01_sfnt_off00008da1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8DA1 18880 bytes
SHA-256: a39aadfc48b8981c838cf517eeda85cf58b6b17c6b784dac94f0c5b439818d21