PDF static analysis report

Static analysis result for SHA-256 271e860b7c045efb…

SUSPICIOUS

PDF

36.3 KB Created: 2021-06-27 12:25:58 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 3191b2354aee3ec8340daa30c3bca670 SHA-1: 68fcc42edc1a798620920b537fb19cef620e9ec7 SHA-256: 271e860b7c045efbc14b6a367acedab0019ae14feb21893c4320ca6549a45a8b
42 Risk Score

Malware Insights

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

The PDF document contains numerous embedded URLs and a heuristic firing for an external URI, all pointing to sites offering "free Robux" or "free spins" for popular games. The ML classifier strongly flagged this PDF as malicious, indicating a high likelihood of it being used for a scam or to deliver malware. The presence of download-related text further supports the lure of obtaining free in-game currency, which is a common pretext for phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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.co/app/431946152/roblox-free-robux-games-2021-game-hack PDF link annotation
    • http://perpus.masda.ac.id/repository/free-10m-robux_GM431946152.pdfIn PDF document text
    • http://perpus.masda.ac.id//repository/coin-master-free-spins-link-2021_GM406889139.pdfIn PDF document text
    • http://perpus.masda.ac.id/repository/coin-master-hack-pc-free_GM406889139.pdfIn PDF document text
    • http://perpus.masda.ac.id//repository/how-to-hack-minecraft-pe_GM479516143.pdfIn PDF document text
    • http://perpus.masda.ac.id/repository/where-can-i-get-free-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://perpus.masda.ac.id/repository/coin-master-free-link-today_GM406889139.pdfIn PDF document text
    • http://perpus.masda.ac.id//repository/roblox-download-pc-free_GM431946152.pdfIn PDF document text
    • http://perpus.masda.ac.id//repository/flame-gg-free-robux_GM431946152.pdfIn PDF document text
    • http://perpus.masda.ac.id//repository/coin-master-hack-unlimited-spins-game-download_GM406889139.pdfIn PDF document text
    • http://perpus.masda.ac.id/repository/coin-master-generator-hack_GM406889139.pdfIn PDF document text
    • http://perpus.masda.ac.id/repository/games-like-minecraft-but-free_GM479516143.pdfIn PDF document text
    • http://perpus.masda.ac.id/repository/how-to-get-free-hats-on-roblox_GM431946152.pdfIn PDF document text
    • http://perpus.masda.ac.id//repository/pubg-uc-zip-file_GM1330123889.pdfIn PDF document text
    • http://perpus.masda.ac.id/repository/how-to-get-free-robux-on-roblox-website_GM431946152.pdfIn PDF document text
    • http://perpus.masda.ac.id/repository/minecraft-pe-texture-packs-free-download_GM479516143.pdfIn PDF document text
    • http://perpus.masda.ac.id/repository/spin-free-coin-master_GM406889139.pdfIn PDF document text
    • http://perpus.masda.ac.id/repository/free-outfits-roblox_GM431946152.pdfIn PDF document text
    • http://perpus.masda.ac.id/repository/free-server-side-roblox_GM431946152.pdfIn PDF document text
    • http://perpus.masda.ac.id//repository/minecraft-cracked-client_GM479516143.pdfIn PDF document text
    • http://perpus.masda.ac.id//repository/minecraft-games-online-free-no-download_GM479516143.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
font_00_sfnt_off000033ad.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x33AD 23064 bytes
SHA-256: d6b74904774b3c5e4541967c457c0c5380da7e073a5e447ce3e3ae8ba1957b1a
font_01_sfnt_off000067b4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x67B4 19452 bytes
SHA-256: 7f5f89a20c6db2f2bd883ae458c64155b63291bd272daccdb39785543c48683d

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