PDF static analysis report

Static analysis result for SHA-256 ab5d750cd8dedfe8…

SUSPICIOUS

PDF

34.5 KB Created: 2021-07-03 16:22:20 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: d276bfa9839173fd7bb1e26eb4f3ca3d SHA-1: dbe591a0a3e4b23d03902205bb1c1f1278f82232 SHA-256: ab5d750cd8dedfe8f4edc0f2670f64b505584f201dd936ff386f48a6d2b89f83
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The document contains multiple embedded URLs and a prominent link in the document body, all related to obtaining free in-game currency or items for popular games like Roblox and TikTok. The ML classifier strongly flagged this PDF as malicious, indicating a high probability of it being a phishing or scam document designed to redirect users to malicious sites. No scripts were extracted, but the presence of numerous suspicious URLs suggests the primary attack vector is social engineering via these links.

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/835599320/free-tiktok-fans-no-human-verification-or-downloading-apps-game-hack PDF link annotation
    • http://elib-s2.ubl.ac.id/repository/how-to-get-roblox-for-free-pastebin_GM431946152.pdfIn PDF document text
    • http://elib-s2.ubl.ac.id/repository/free-shirt-download-roblox_GM431946152.pdfIn PDF document text
    • http://elib-s2.ubl.ac.id/repository/funbloxxyz-free-robux_GM431946152.pdfIn PDF document text
    • http://elib-s2.ubl.ac.id/repository/clone-tycoon-2-roblox-hack_GM431946152.pdfIn PDF document text
    • http://elib-s2.ubl.ac.id/repository/how-get-free-clothes-in-roblox_GM431946152.pdfIn PDF document text
    • http://elib-s2.ubl.ac.id/repository/hack-roblox-ipod_GM431946152.pdfIn PDF document text
    • http://elib-s2.ubl.ac.id/repository/roblox-hack-download-ios_GM431946152.pdfIn PDF document text
    • http://elib-s2.ubl.ac.id/repository/haktuts-coin-master-free-spin-link_GM406889139.pdfIn PDF document text
    • http://elib-s2.ubl.ac.id/repository/check-cashed-roblox-hack_GM431946152.pdfIn PDF document text
    • http://elib-s2.ubl.ac.id/repository/how-to-get-rs-in-roblox-free-2021-without-hacks_GM431946152.pdfIn PDF document text
    • http://elib-s2.ubl.ac.id/repository/how-do-you-get-robux-for-free-roblox-youtube_GM431946152.pdfIn PDF document text
    • http://elib-s2.ubl.ac.id/repository/roblox-hack-robux-download-free_GM431946152.pdfIn PDF document text
    • http://elib-s2.ubl.ac.id/repository/how-to-get-free-robux-without-verification-or-surveys_GM431946152.pdfIn PDF document text
    • http://elib-s2.ubl.ac.id/repository/free-robux-giftcard-codes-july-12-2021_GM431946152.pdfIn PDF document text
    • http://elib-s2.ubl.ac.id/repository/cheats-on-roblox-2021_GM431946152.pdfIn PDF document text
    • http://elib-s2.ubl.ac.id/repository/free-roblox-codes-for-robux-2021_GM431946152.pdfIn PDF document text
    • http://elib-s2.ubl.ac.id/repository/best-free-roblox-flight-simulators_GM431946152.pdfIn PDF document text
    • http://elib-s2.ubl.ac.id/repository/hack-de-roblox-admin_GM431946152.pdfIn PDF document text
    • http://elib-s2.ubl.ac.id/repository/how-to-get-builders-club-on-roblox-for-free-2021_GM431946152.pdfIn PDF document text
    • http://elib-s2.ubl.ac.id/repository/dancing-sim-roblox-hack_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_off00003044.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3044 22052 bytes
SHA-256: d7c6b140a863a1a1b8deee9d34d5a647a62656c75f64feddc09278df16d6e740
font_01_sfnt_off00006119.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6119 19260 bytes
SHA-256: c23abd5df90a5b7093cc3e198b5bcaea5ee7ff11a274e14c679da15d1a345c21

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