PDF static analysis report

Static analysis result for SHA-256 1fd0c09a8528e2c0…

SUSPICIOUS

PDF

36.2 KB Created: 2021-07-20 18:22:07 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: ddee74793feb9c31ddb6503fcf933d43 SHA-1: 517a861d419655f7eb500a78c5e93e4bddbad132 SHA-256: 1fd0c09a8528e2c0b346b0171a35832fecbc7dc569761616da3f0804bdf8cfe7
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains embedded URLs and a call-to-action phrase, strongly suggesting a lure for users to download a malicious application. The ML classifier also flagged this PDF as malicious. The primary URL, http://netcdn.tw/app/431946152/free-robux-hacker-us-game-hack, is directly associated with the 'free Robux' lure, indicating a likely attempt to distribute malware disguised as a game hack or cheat.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9251

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 http://netcdn.tw/app/431946152/free-robux-hacker-us-game-hack PDF link annotation
    • https://ivalue.tw/files/ckfinder/files/minecraft-windows-10-edition-free-download_GM479516143.pdfIn PDF document text
    • https://ivalue.tw/files/ckfinder/files/how-to-get-minecraft-for-free_GM479516143.pdfIn PDF document text
    • https://ivalue.tw/files/ckfinder/files/roblox-hack-download_GM431946152.pdfIn PDF document text
    • https://ivalue.tw/files/ckfinder/files/free-minecraft-alt-generator_GM479516143.pdfIn PDF document text
    • https://ivalue.tw/files/ckfinder/files/get-minecraft-windows-10-free_GM479516143.pdfIn PDF document text
    • https://ivalue.tw/files/ckfinder/files/freer-tiktok_GM835599320.pdfIn PDF document text
    • https://ivalue.tw/files/ckfinder/files/roblox-password-hacker_GM431946152.pdfIn PDF document text
    • https://ivalue.tw/files/ckfinder/files/how-do-you-hack-roblox_GM431946152.pdfIn PDF document text
    • https://ivalue.tw/files/ckfinder/files/free-minecraft-coloring-pages_GM479516143.pdfIn PDF document text
    • https://ivalue.tw/files/ckfinder/files/free-robux-generator-no-verification_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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002b1b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2B1B 22572 bytes
SHA-256: 92a0ba0a93982bca5f5014be7950aa164fb03f234427158c88d138cb5c314b1e
font_01_sfnt_off00005d8b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5D8B 3884 bytes
SHA-256: 40b61f8938bd710dc29dc58ba3fde91c245a6a69596ec569b4d27c769ca417cf
font_02_sfnt_off00006a32.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6A32 18600 bytes
SHA-256: be32b0f906764c1f2317decc7ac5a24a5975e1ace61028a3a9703984df87bb8b

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