PDF static analysis report

Static analysis result for SHA-256 4381b3e8619e526c…

SUSPICIOUS

PDF

35.1 KB Created: 2021-07-06 00:24:02 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 9333792c4fe7bf646384fb7d265856a6 SHA-1: f0845d42e12a8d7610627c1e3a9c1e5869d0d06e SHA-256: 4381b3e8619e526c80016aea42480f8d8b4e44030618db37f38a3b03587e67ee
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous embedded URLs, with the primary one being http://netcdn.tw/app/406889139/coin-master-free-spins-link-blogspot-game-hack, suggesting a lure for game-related cheats or hacks. The ML classifier strongly flagged this PDF as malicious, and the presence of multiple external links indicates an attempt to redirect the user to potentially harmful content. No scripts were extracted, but the overall structure and content point towards a phishing or malware distribution attempt.

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.tw/app/406889139/coin-master-free-spins-link-blogspot-game-hack PDF link annotation
    • http://chem.ipb.ac.id/kim/repository/coin-master-hack-activegamer_GM406889139.pdfIn PDF document text
    • http://chem.ipb.ac.id/kim/repository/free-robux-2021-no-human-verification_GM431946152.pdfIn PDF document text
    • http://chem.ipb.ac.id/kim/repository/minecraft-115-2-hacks_GM479516143.pdfIn PDF document text
    • http://chem.ipb.ac.id/kim/repository/can-you-give-me-free-robux_GM431946152.pdfIn PDF document text
    • http://chem.ipb.ac.id/kim/repository/free-coins-and-spins-in-coin-master_GM406889139.pdfIn PDF document text
    • http://chem.ipb.ac.id/kim/repository/free-coins-roblox-assassin_GM431946152.pdfIn PDF document text
    • http://chem.ipb.ac.id/kim/repository/roblox-games-free_GM431946152.pdfIn PDF document text
    • http://chem.ipb.ac.id/kim/repository/can-you-really-hack-coin-master_GM406889139.pdfIn PDF document text
    • http://chem.ipb.ac.id/kim/repository/i-need-more-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://chem.ipb.ac.id/kim/repository/best-free-hacked-client_GM479516143.pdfIn PDF document text
    • http://chem.ipb.ac.id/kim/repository/do-you-get-minecraft-windows-10-for-free_GM479516143.pdfIn PDF document text
    • http://chem.ipb.ac.id/kim/repository/minecraft-java-free-account_GM479516143.pdfIn PDF document text
    • http://chem.ipb.ac.id/kim/repository/exploit-free-roblox-not-win-rar_GM431946152.pdfIn PDF document text
    • http://chem.ipb.ac.id/kim/repository/pokemon-go-free-game_GM1094591345.pdfIn PDF document text
    • http://chem.ipb.ac.id/kim/repository/finally-roblox-free-gifts_GM431946152.pdfIn PDF document text
    • http://chem.ipb.ac.id/kim/repository/how-to-hack-into-someones-roblox-account_GM431946152.pdfIn PDF document text
    • http://chem.ipb.ac.id/kim/repository/hack-download_GM431946152.pdfIn PDF document text
    • http://chem.ipb.ac.id/kim/repository/moon-active_GM406889139.pdfIn PDF document text
    • http://chem.ipb.ac.id/kim/repository/coin-master-hack-tool-for-pc_GM406889139.pdfIn PDF document text
    • http://chem.ipb.ac.id/kim/repository/hacking-a-fans-roblox-account-projectsupreme_GM431946152.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
stream_002_off000031dc.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x31DC 22972 bytes
SHA-256: 4cb62894149926f6e3f6fab2e2fcb221d3bca78bb73ecaa181557250607f201e
font_01_sfnt_off00006569.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6569 18632 bytes
SHA-256: 70d110fa91f8f5109d35ee19b5cb9f0e88531cce786125e31518185453264350

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