PDF static analysis report

Static analysis result for SHA-256 478b58a108415c22…

SUSPICIOUS

PDF

43.7 KB Created: 2021-04-29 14:01:36 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 0ff56a1f7735f087f09e3486f3987e41 SHA-1: ce94de3e022f9c1c80ba5726493647129f8ad0e0 SHA-256: 478b58a108415c221e0d92e443d121b0729ddb5483318cdbd89769ac1a055fe7
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF contains multiple URLs pointing to sites offering game cheats and hacks, including one directly linked to a malicious ML classifier detection. The document body, though heavily obfuscated, contains references to these lures and the primary malicious URL. This suggests the document is designed to trick users into downloading potentially malicious files disguised as game cheats.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9868

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-hack-no-virus-no-survey-game-hack PDF link annotation
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/how-to-get-free-builders-club-on-roblox-2021.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/free-robux-hack-no-robot-verification.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/free-decals-for-roblox-work-at-a-pizza-place.pdfIn PDF document text
    • http://technibuild-group.com/uploaded_files/userfiles/files/how-to-hack-a-roblox-account-2021-easy.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/roblox-cheat-engine-how-to-give-yourself-a-gear.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/free-robux-gift-card-codes-unused.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/fly-hack-roblox-2021.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/admin-panel-roblox-hack.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/free-robux-no-human-verificationcom.pdfIn PDF document text
    • http://www.technibuild-group.com/uploaded_files/userfiles/files/how-to-make-clothes-without-hacks-or-bc-roblox.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
stream_003_off00004230.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4230 24728 bytes
SHA-256: 422372a92715ab6782cc2399cfc4002f19a183ac4c0d19433db9a6d40be13f3e
font_01_sfnt_off00007a2b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7A2B 3884 bytes
SHA-256: 40b61f8938bd710dc29dc58ba3fde91c245a6a69596ec569b4d27c769ca417cf
font_02_sfnt_off000086d2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x86D2 18868 bytes
SHA-256: 7e88446aa70a3d5dfa38a9e4f18d9ebe958ff05e925d52d8de68173f4dac8bf7

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