Malicious PDF — malware analysis report

Static analysis result for SHA-256 1d367ff34791734c…

MALICIOUS

PDF

43.5 KB Created: 2021-04-22 21:25:47 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: 106cc954443ee002be97603b106675ca SHA-1: ab869b04e6281369f7de5d85f92e520e71809d88 SHA-256: 1d367ff34791734cb1ba51fa9ac08885017c93a7896a34f6e0470c0b9527f419
102 Risk Score

Malware Insights

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

The PDF document contains a lure for a Roblox game hack, directing users to a malicious URL. The ML classifier strongly flagged this PDF as malicious, and the presence of multiple suspicious URLs further supports this assessment. The document's content and embedded links indicate an attempt to trick users into visiting a site that likely hosts further malicious content or exploits.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9868

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector critical PDF_GAME_HACK_REDIRECT_LURE
    PDF's clickable action targets a redirector of the form /app/<id>/<slug>-game-hack — the landing-page shape of a large SEO 'free spins / generator / game hack' lure family that funnels victims through rotating disposable hosts to a malware/scam payload. The multi-link variants also trip ML/link-farm rules; this catches the single-link variants that otherwise score clean. CRITICAL on its own: the /app/<id>/<slug>-game-hack path shape is unambiguous scam infra, and the host rotates so a host-list match can't be relied on.
  • 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://netsecure.pro/app/431946152/roblox-mm2-hack-script-game-hack PDF link annotation
    • http://sudamericarural.org/images/roblox-account-free-robux.pdfIn PDF document text
    • http://sudamericarural.org/images/https-web-roblox-free-robux.pdfIn PDF document text
    • http://sudamericarural.org/images/earn-free-robux.pdfIn PDF document text
    • http://sudamericarural.org/images/666-roblox-hack.pdfIn PDF document text
    • http://sudamericarural.org/images/how-to-hack-roblox-no-download-2021.pdfIn PDF document text
    • http://sudamericarural.org/images/admin-commands-roblox-hack.pdfIn PDF document text
    • http://sudamericarural.org/images/free-roblox-dominus-november-2021.pdfIn PDF document text
    • http://sudamericarural.org/images/how-to-get-free-robux-lohith-gaming.pdfIn PDF document text
    • http://sudamericarural.org/images/how-to-hack-roblox-pepol-haeds-of.pdfIn PDF document text
    • http://sudamericarural.org/images/free-videos-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_off00003e8f.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3E8F 25432 bytes
SHA-256: 5c8f449f46662feda66ab813e29b59adc584647681d51ec806555fc4c17573ab
font_01_sfnt_off00007872.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7872 3936 bytes
SHA-256: 56f91d12f1fd26ee93de517f09e63ae86dd2fe155f74f5627c9f6637d22945ea
font_02_sfnt_off0000855e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x855E 19164 bytes
SHA-256: 1d96ffc9ff0f07bde6e628f56d02a2bc4a30e560b6db0e17c00e0fd4db9338f0

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