PDF static analysis report

Static analysis result for SHA-256 ee6ac79ccd5f9dbb…

SUSPICIOUS

PDF

44.5 KB Created: 2021-06-08 23:23:56 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: ff19f6e1a8485a8706f2252d937c7137 SHA-1: 0fddfc378359761722a91e7b077386575c6bec82 SHA-256: ee6ac79ccd5f9dbb97601a71decd167a846bf51cfa24763d97b26e4db17b9762
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains heuristics indicating it is malicious and embeds external URIs, specifically pointing to a URL that promises free Robux for Roblox. The document body, though heavily obfuscated, contains references to 'Roblox Free Robux Adder' and a URL that aligns with the heuristic findings. The presence of these elements strongly suggests a phishing or scam attempt designed to trick users into downloading potentially malicious content.

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-free-robux-adder-game-hack PDF link annotation
    • http://zercalo.org/images/roblox-free-no-download-unblocked_GM431946152.pdfIn PDF document text
    • http://zercalo.org/images/free-robux-come_GM431946152.pdfIn PDF document text
    • http://zercalo.org/images/minecraft-java-free-trial_GM479516143.pdfIn PDF document text
    • http://zercalo.org/images/free-robux-generator-com-roblox-hack_GM431946152.pdfIn PDF document text
    • http://zercalo.org/images/minecraft-education-free_GM479516143.pdfIn PDF document text
    • http://zercalo.org/images/roblox-avatar-maker-free_GM431946152.pdfIn PDF document text
    • http://zercalo.org/images/how-to-get-minecraft-for-free-on-android_GM479516143.pdfIn PDF document text
    • http://zercalo.org/images/free-limiteds-com-roblox_GM431946152.pdfIn PDF document text
    • http://zercalo.org/images/roblox-hack-unlimited-robux_GM431946152.pdfIn PDF document text
    • http://zercalo.org/images/coin-master-free-2021-spin-link_GM406889139.pdfIn PDF document text
    • http://zercalo.org/images/coin-master-free-coins-and-spins_GM406889139.pdfIn PDF document text
    • http://zercalo.org/images/can-you-get-robux-for-free_GM431946152.pdfIn PDF document text
    • http://zercalo.org/images/free-robux-hack-no-human-verification_GM431946152.pdfIn PDF document text
    • http://zercalo.org/images/is-free-robux-real_GM431946152.pdfIn PDF document text
    • http://zercalo.org/images/daily-spin-and-coin_GM406889139.pdfIn PDF document text
    • http://zercalo.org/images/free-roblox-accounts-without-pin_GM431946152.pdfIn PDF document text
    • http://zercalo.org/images/free-roblox-toys-redeem-codes-2021_GM431946152.pdfIn PDF document text
    • http://zercalo.org/images/free-robux-games-on-roblox_GM431946152.pdfIn PDF document text
    • http://zercalo.org/images/free-robux-thumbnail_GM431946152.pdfIn PDF document text
    • http://zercalo.org/images/give-me-free-robux_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off00004f87.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4F87 25936 bytes
SHA-256: ca574614e5be8f4289fcee2220dfb257f706b7ca9cdec98ec51425230c51a664
font_01_sfnt_off00008b69.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8B69 18260 bytes
SHA-256: 090eccbcc93b10f84af496f2c4d72b703632ccf1f7aa38e0a4cf31d7e55966d2

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