PDF static analysis report

Static analysis result for SHA-256 40b17ae6e94f0efc…

SUSPICIOUS

PDF

36.0 KB Created: 2021-07-05 06:08:12 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 1b52055033fcc74ed8278d5828ec6db1 SHA-1: 11fe291c56ee3a93e97970f350596a52a3c5f4cf SHA-256: 40b17ae6e94f0efc86275c3e39b758cee017b1d119b8569c4e11161e507755dd
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains an embedded URI pointing to a suspicious URL, and a high-confidence ML classifier flagged it as malicious. The document body, though partially corrupted, includes text related to 'free links' and game hacks, suggesting a lure for potentially unwanted or malicious downloads. No scripts were extracted, but the presence of external URIs and the ML classification indicate a likely attempt to redirect users to a malicious site.

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/free-links-coin-master-game-hack PDF link annotation
    • http://library.ulb.ac.id/repository/how-to-get-free-money-roblox-jailbreak_GM431946152.pdfIn PDF document text
    • http://library.ulb.ac.id/repository/how-to-get-everything-in-eletric-state-roblox-hack_GM431946152.pdfIn PDF document text
    • http://library.ulb.ac.id/repository/www-roblox-hack-robux_GM431946152.pdfIn PDF document text
    • http://library.ulb.ac.id/repository/how-to-fly-hack-in-roblox-skywars_GM431946152.pdfIn PDF document text
    • http://library.ulb.ac.id/repository/roblox-free-download-apk_GM431946152.pdfIn PDF document text
    • http://library.ulb.ac.id/repository/free-shavaka-roblox-id_GM431946152.pdfIn PDF document text
    • http://library.ulb.ac.id/repository/hack-para-roblox-comandos-2021_GM431946152.pdfIn PDF document text
    • http://library.ulb.ac.id/repository/7-year-old-roblox_GM431946152.pdfIn PDF document text
    • http://library.ulb.ac.id/repository/item-roblox-free_GM431946152.pdfIn PDF document text
    • http://library.ulb.ac.id/repository/snxw-hack-roblox_GM431946152.pdfIn PDF document text
    • http://library.ulb.ac.id/repository/roblox-arcane-adventures-hack-2021_GM431946152.pdfIn PDF document text
    • http://library.ulb.ac.id/repository/how-to-use-a-cheat-on-roblox-jailbreak-2021_GM431946152.pdfIn PDF document text
    • http://library.ulb.ac.id/repository/lucky-patcher-free-robux_GM431946152.pdfIn PDF document text
    • http://library.ulb.ac.id//repository/roblox-hair-for-free_GM431946152.pdfIn PDF document text
    • http://library.ulb.ac.id//repository/pokemon-go-accounts-free-list-2021_GM1094591345.pdfIn PDF document text
    • http://library.ulb.ac.id//repository/coin-master-hack-version-ios_GM406889139.pdfIn PDF document text
    • http://library.ulb.ac.id/repository/hack-someones-account-roblox_GM431946152.pdfIn PDF document text
    • http://library.ulb.ac.id/repository/free-robux-promo-codes-2021-works_GM431946152.pdfIn PDF document text
    • http://library.ulb.ac.id/repository/roblox-hack-ohne-handynummer-und-geld_GM431946152.pdfIn PDF document text
    • http://library.ulb.ac.id/repository/how-to-get-free-robux-no-verification-or-survey-2021_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
font_00_sfnt_off0000368e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x368E 23076 bytes
SHA-256: d16b7c43602dd6b170c24c1146f859b4fea5f39440f278bdcef89b96e3c7e623
font_01_sfnt_off00006a86.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6A86 18168 bytes
SHA-256: 49ca197413d81a8c45b996179a8dc5f16a69a640506e408289fd8874ef63419e

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