PDF static analysis report

Static analysis result for SHA-256 98e6c1708a9e528b…

SUSPICIOUS

PDF

41.7 KB Created: 2021-05-01 00:39:19 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: c5978524af3d1d00f9746955e0f45fd8 SHA-1: 21fcad76bff7fd51ed7f9fe9d88b264d170620ab SHA-256: 98e6c1708a9e528b0426737be99665c6dec297f79356c62a8ccfaec393f65571
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded URLs and a heuristic firing for an external URI, all related to Roblox cheats and hacks. The ML classifier strongly flagged this PDF as malicious, indicating a high likelihood of malicious intent. The document body, though partially corrupted, contains text and URLs suggesting a lure to download a malicious file disguised as a game cheat.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9941

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.xyz/app/431946152/roblox-festive-paintball-cheat-game-hack PDF link annotation
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/roblox-royal-high-school-diamonds-hack.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/how-do-you-get-free-vip-on-roblox.pdfIn PDF document text
    • http://technibuild-group.com/uploaded_files/userfiles/files/roblox-online-roblox-hack.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/slurp-hack-roblox-jailbreak.pdfIn PDF document text
    • http://technibuild-group.com/uploaded_files/userfiles/files/roblox-lumber-tycoon-cheats.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/how-to-use-cheat-engine-on-roblox-swordburst2.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/roblox-create-a-free-account.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/hack-accounts-roblox-script.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/roblox-skin-creator-free.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/free-roblox-cheats-and-hacks.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_003_off000044b4.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x44B4 25480 bytes
SHA-256: edeb1683caa41a84d08ece66ec2d92dc4c884dd29bdab0ff246560e1c273036e
font_01_sfnt_off00007fd5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7FD5 18832 bytes
SHA-256: bab453eafcd676a3d260b4f534a7fb51e17e0d449e4429449ed487194d5bb9e2