Malicious PDF — malware analysis report

Static analysis result for SHA-256 f1cfa38c17b393b5…

MALICIOUS

PDF

34.9 KB Created: 2021-06-27 19:33:09 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: a68fc299136ca344a4eb6822c78ccf54 SHA-1: 2df4d2546eeb77ce6675ca57b3380d6b2d314f2a SHA-256: f1cfa38c17b393b5746db6432169ac4414e9a32fe34b43c5b241cf3062da713b
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded URLs that lead to a known malicious redirector, promising free game currency and hacks. The document body and heuristics indicate a lure for users interested in games like Roblox and Minecraft. The primary attack pattern involves directing users to malicious infrastructure via a phishing-like lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector critical PDF_GAME_HACK_REDIRECT_LURE
    PDF's clickable action targets a redirector of the form /app/<id>/<slug>-game-hack — the landing-page shape of a large SEO 'free spins / generator / game hack' lure family that funnels victims through rotating disposable hosts to a malware/scam payload. The multi-link variants also trip ML/link-farm rules; this catches the single-link variants that otherwise score clean. CRITICAL on its own: the /app/<id>/<slug>-game-hack path shape is unambiguous scam infra, and the host rotates so a host-list match can't be relied on.
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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
  • 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/free-robux-and-tix-generator-no-offers-game-hack In PDF document text
    • http://elearning.mtsnurussalamtersono.sch.id/__statics/gudangsoal/files/roblox-gg-free-robux-no-human-verification_GM431946152.pdfIn PDF document text
    • http://elearning.mtsnurussalamtersono.sch.id/__statics/gudangsoal/files/minecraft-building-hacks_GM479516143.pdfIn PDF document text
    • http://elearning.mtsnurussalamtersono.sch.id/__statics/gudangsoal/files/how-to-get-free-wings-on-roblox-2021_GM431946152.pdfIn PDF document text
    • http://elearning.mtsnurussalamtersono.sch.id/__statics/gudangsoal/files/make-free-robux_GM431946152.pdfIn PDF document text
    • http://elearning.mtsnurussalamtersono.sch.id/__statics/gudangsoal/files/free-robux-generator-2021-without-human-verification_GM431946152.pdfIn PDF document text
    • http://elearning.mtsnurussalamtersono.sch.id/__statics/gudangsoal/files/free-onligames-like-roblox_GM431946152.pdfIn PDF document text
    • http://elearning.mtsnurussalamtersono.sch.id/__statics/gudangsoal/files/google-why-is-roblox-gettng-hacked_GM431946152.pdfIn PDF document text
    • http://elearning.mtsnurussalamtersono.sch.id/__statics/gudangsoal/files/roblox-hack-xyz_GM431946152.pdfIn PDF document text
    • http://elearning.mtsnurussalamtersono.sch.id/__statics/gudangsoal/files/addmin-comands-in-roblox-hacking_GM431946152.pdfIn PDF document text
    • http://elearning.mtsnurussalamtersono.sch.id/__statics/gudangsoal/files/tiktok-viewer-free_GM835599320.pdfIn PDF document text
    • http://elearning.mtsnurussalamtersono.sch.id/__statics/gudangsoal/files/youtube-danielxd-free-robux_GM431946152.pdfIn PDF document text
    • http://elearning.mtsnurussalamtersono.sch.id/__statics/gudangsoal/files/minecraft-free-app_GM479516143.pdfIn PDF document text
    • http://elearning.mtsnurussalamtersono.sch.id/__statics/gudangsoal/files/free-robux-today-app_GM431946152.pdfIn PDF document text
    • http://elearning.mtsnurussalamtersono.sch.id/__statics/gudangsoal/files/roblox-wall-hack-2021_GM431946152.pdfIn PDF document text
    • http://elearning.mtsnurussalamtersono.sch.id/__statics/gudangsoal/files/minecraft-font-free_GM479516143.pdfIn PDF document text
    • http://elearning.mtsnurussalamtersono.sch.id/__statics/gudangsoal/files/how-to-hack-into-roblox-account-roblox_GM431946152.pdfIn PDF document text
    • http://elearning.mtsnurussalamtersono.sch.id/__statics/gudangsoal/files/clout-goggles-roblox-hack-rb-world_GM431946152.pdfIn PDF document text
    • http://elearning.mtsnurussalamtersono.sch.id/__statics/gudangsoal/files/apps-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://elearning.mtsnurussalamtersono.sch.id/__statics/gudangsoal/files/free-roblox-names_GM431946152.pdfIn PDF document text
    • http://elearning.mtsnurussalamtersono.sch.id/__statics/gudangsoal/files/hacks-piano-roblox_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_off000030cf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x30CF 22568 bytes
SHA-256: 2f89a5f5ba06c3fb901547ffd141f03168caff936b41e6c3456a06b6ed1eef6b
font_01_sfnt_off0000633b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x633B 19112 bytes
SHA-256: d776e5cd1ff0e466b04cb612efa9fcf30dab5e5e14aa948011ba270d8a8fc005

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