Malicious PDF — malware analysis report

Static analysis result for SHA-256 fceafedd539a7fd4…

MALICIOUS

PDF

33.9 KB Created: 2021-06-19 06:00:02 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: f50924044178f6cd525b9fc510f5e50c SHA-1: 9f9ddc04d3f254ab59737252d4e5e6246822589a SHA-256: fceafedd539a7fd4fc7115c9a76d41d06e3b19ab06b218cb43a4506817045db2
102 Risk Score

Malware Insights

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

The PDF document contains numerous links to external websites, many of which are hosted on domains related to game hacks and cheats. The document body explicitly mentions 'Roblox Jailbreak Download Hack' and includes URLs that suggest the download of such software. The presence of a large number of external links, many with numeric slugs and game-related keywords, indicates a link farm designed to attract users searching for cheats, likely leading to malware downloads.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 4

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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-jailbreak-download-hack-game-hack
    • https://digilib.stikesindramayu.ac.id/repository/robux-hack-free-codes-no-verification_GM431946152.pdf
    • https://digilib.stikesindramayu.ac.id/repository/free-coin-master-gold-cards_GM406889139.pdf
    • https://digilib.stikesindramayu.ac.id/repository/coin-master-hack-2021-download_GM406889139.pdf
    • https://digilib.stikesindramayu.ac.id/repository/free-roblox-girl-hair-not-a-model_GM431946152.pdf
    • https://digilib.stikesindramayu.ac.id/repository/how-to-get-free-robux-on-chromebook_GM431946152.pdf
    • https://digilib.stikesindramayu.ac.id/repository/roblox-afk-cheat-download_GM431946152.pdf
    • https://digilib.stikesindramayu.ac.id/repository/entry-point-hacks-roblox_GM431946152.pdf
    • https://digilib.stikesindramayu.ac.id/repository/roblox-free-download-pc-windows7_GM431946152.pdf
    • https://digilib.stikesindramayu.ac.id/repository/coin-master-hacks-that-work_GM406889139.pdf
    • https://digilib.stikesindramayu.ac.id/repository/nija-legend-roblox-hack_GM431946152.pdf
    • https://digilib.stikesindramayu.ac.id/repository/coin-master-free-coins-facebook_GM406889139.pdf
    • https://digilib.stikesindramayu.ac.id/repository/free-coins-on-coin-master-without-verification_GM406889139.pdf
    • https://digilib.stikesindramayu.ac.id/repository/how-to-get-free-hair-on-roblox-2021_GM431946152.pdf
    • https://digilib.stikesindramayu.ac.id/repository/free-safe-roblox-injector-for-hacks_GM431946152.pdf
    • https://digilib.stikesindramayu.ac.id/repository/i-want-robux_GM431946152.pdf
    • https://digilib.stikesindramayu.ac.id/repository/how-long-is-the-minecraft-free-trial_GM479516143.pdf
    • https://digilib.stikesindramayu.ac.id/repository/little-kid-caught-cheating-on-his-roblox-girlfriends_GM431946152.pdf
    • https://digilib.stikesindramayu.ac.id/repository/free-spins-on-coin-master_GM406889139.pdf
    • https://digilib.stikesindramayu.ac.id/repository/how-to-get-free-robux-without-verification-2021_GM431946152.pdf
    • https://digilib.stikesindramayu.ac.id/repository/coin-master-free-100-spin_GM406889139.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002eb2.bin
f959b7446a49adbc7f7f8b7fe4dfc392ffb1932e2aa3e4a25bb294faabd69733		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2EB2 21676 bytes
font_01_sfnt_off00005e11.bin
79d90661986ba7cdc50cfa09245ff5dec49a58709f881ac883a1ace85758b0ab		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5E11 19448 bytes

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